▶️Losing Oil GM 3.6 How To FIX🔧

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  • เผยแพร่เมื่อ 2 ม.ค. 2025
  • ▶️Losing Oil GM 3.6 How To FIX🔧.This common problem is pretty much inevitable with GM 3.6L engines. When the PCV system has restriction, the system fails to evacuate the pressure in the engine crank case causing extreme pressure. This will eventually lead to blown out valve cover gaskets, leaking cam seals, rear main seal, front main seal and will eventually leak past your valve stem seals causing your engine to burn oil in the combustion chamber.
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    #EngineLoosingOil #LosingOilGM #Nthefastlane

ความคิดเห็น • 325

  • @Nthefastlane
    @Nthefastlane  5 ปีที่แล้ว +10

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    • @christanner7359
      @christanner7359 3 ปีที่แล้ว +1

      I ibbiojnnnbjjjibbnjnjb

    • @spellbreaker6609
      @spellbreaker6609 3 ปีที่แล้ว +1

      @Nthefastlane hello is this problem the same in the 2011 Cadillac CTS Luxury?

    • @Nthefastlane
      @Nthefastlane  2 ปีที่แล้ว

      Spell Breaker I would say it possibly is. The 2011 CTS uses the 3.6 LLT engines. The 2006 STS in this video uses the LY7 but they are very similar 3.6"s.

    • @joepyfer1696
      @joepyfer1696 2 ปีที่แล้ว

      Looks good

    • @Ghoststalker777
      @Ghoststalker777 ปีที่แล้ว

      I'm just now having this problem ( losing oil on my 2010 CTS ) will this also work on a 3.0 ? Thank You

  • @N8747U
    @N8747U 3 ปีที่แล้ว +23

    DRILL BITS: Use 7/64 on top and 5/64 for the two bottom holes. Clean out with brake cleaner - thanks for the tips!

  • @Codeejonz
    @Codeejonz 5 ปีที่แล้ว +9

    wow, this is a better video with clear and concise instructions with clear camera views, than all the crap videos youtube puts in my search results. it just randomly came up on my suggestions today..thanks so much, any cadillac 3.6 videos are much apreciated.

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว

      Thank you Cody for those compliments. I really try! Glad you enjoyed it.👍

  • @Dimbochan
    @Dimbochan 4 ปีที่แล้ว +6

    I did this on a transverse mounted 2012 Impala 3.6. Thanks for the tip on the clip I would have never figured it out. To get to the PCV was a tight access. The PCV was in there pretty tight. I started by using a curved pry tool like a mini crowbar and tapped it minimally as a wedge using a hammer between the PCV and the plastic. This dislodged the PCV enough to insert a trim remover tool and with more minimal hammer tapping on the butt handle of the trim remover tool, lifted the PVC out. To reinsert, I used two socket extenders with a swivel on the part I placed over the nipple top of the PVC to tap it down into the seat.

  • @stehan1422
    @stehan1422 3 ปีที่แล้ว +8

    Great tip, I did this on my wife's 2008 SRX easy fix! After drilling out and cleaning no more oil add...(still check though very frequently)

  • @victory21222
    @victory21222 4 ปีที่แล้ว +11

    It was nice to here a video done by someone who uses proper grammer and speaks clearly. Great video. I changed my spark plugs a few months ago and saw oil and was clueless as to where it could have come from. I an going to do this to mine and start keeping a closer eye on my oil level.

  • @KINGFRESHification
    @KINGFRESHification 5 ปีที่แล้ว +18

    I wish I would of seen this back in May. I could of saved me $1,700. Definitely informative

    • @Nthefastlane
      @Nthefastlane  5 ปีที่แล้ว

      Thanks James!

    • @dicaprioseledem2847
      @dicaprioseledem2847 3 ปีที่แล้ว

      They ask money they do something Lse that don't need and ask you alot money they like that becsreful ask more questions to other people o take it to auto zone ask them to check your computer free

    • @dicaprioseledem2847
      @dicaprioseledem2847 3 ปีที่แล้ว

      I hope my cylinders are ok I change pcv valve a damage coil plus spark plugs clean the trotle the engine don't loose power I hope no more inside the trotle or the intake

  • @jamesm.8392
    @jamesm.8392 5 ปีที่แล้ว +57

    Unbelieveable how a manufacturer could make something like this and not be sued.

    • @justsomeguy2918
      @justsomeguy2918 3 ปีที่แล้ว +5

      Why would they get sued? It is an engineering flaw, as soon as warranty expires, the business cannot be held responsible

    • @johnghatti5435
      @johnghatti5435 3 ปีที่แล้ว +8

      @@justsomeguy2918 it’s an engineering flaw is exactly why they would be sued. Not sure how much more evidence you would need

    • @johnjohnson2855
      @johnjohnson2855 2 ปีที่แล้ว +1

      Was there a recall for this defect in design??

    • @HoustonHoodNewsTv
      @HoustonHoodNewsTv ปีที่แล้ว +1

      Fr u gotta add a qt every 1000 miles

    • @brettgibbs7872
      @brettgibbs7872 ปีที่แล้ว +3

      Unbelievable this garbage 3.6 vvt with multiple cough cough I mean dozens of problems is what replaced the legendary bulletproof 3800. Gm wasn't making any money and the engines were out living the owners and there family members so they had to make an engine that would fail. RIP 3800

  • @dougmatteo7359
    @dougmatteo7359 4 ปีที่แล้ว +20

    My 2007 Cadillac CTS w/3.6 and 110,000 miles eats up oil big time. I wish I knew this when I bought it with 62,000. I have to constantly add oil.

    • @gregstratman9042
      @gregstratman9042 2 ปีที่แล้ว +1

      how's it now?

    • @dougmatteo7359
      @dougmatteo7359 2 ปีที่แล้ว

      I traded it in for a Camry. Got tired of repairs.

    • @rey374
      @rey374 2 ปีที่แล้ว +2

      @@dougmatteo7359 good stuff i took out a 3.6 v6 cts wagon 2010 and lorddd it chugs oil

    • @alexhoexum9548
      @alexhoexum9548 2 ปีที่แล้ว +2

      3.0l does this too

  • @darrylcampbell4411
    @darrylcampbell4411 2 ปีที่แล้ว +2

    Thanks man. This is the best vid ive seen on this subject. real clear and easy to understand. Fromm New Zealand.

  • @mw292
    @mw292 5 ปีที่แล้ว +6

    Thanks mate, I just bought an 07 commodore ute which has the same engine. Mine was completely blocked. I have re drilled the holes like you showed. I have now looked inside the oil cap and my engine looks pretty gunked up.....like thick grease. I've rang my mechanic and he said its best not to disturb it. I'll need to take the rocker covers off and try and carefull

    • @bigfella6629
      @bigfella6629 5 ปีที่แล้ว +5

      Hey mate, I had a 07 RA Rodeo with same 3.6L engine and had same problem with the oil sludge, you need to use a full synthetic oil and change it every 7500ks or earlier, not what the book says. I used Nulon 5w30 full synthetic. If you let the oil sludge up it leads to all sorts of problems with the oil pressure and in turn the fine oil passages throughout the engine block up and then it goodbye engine because various parts are not getting enough lubrication.

  • @Dd-uj9tl
    @Dd-uj9tl 4 ปีที่แล้ว +5

    thanks, i have no probs with my 05 cts , i change the oil every 3k , i will drill out the pcv , the timing chain replace on this engine is a real son of a gun , your information is very helpful ....

    • @joeturtleneck2300
      @joeturtleneck2300 3 ปีที่แล้ว

      timing chain replacement means it was being run low on oil

  • @brucenicholson462
    @brucenicholson462 3 ปีที่แล้ว +2

    This guy knows his stuff.. very useful information I never knew this problem... Thanks

  • @Randyplaysguitars
    @Randyplaysguitars 8 หลายเดือนก่อน +1

    I did this a week ago. Bought a new pcv on rockauto and drilled it out and installed it. Took 2 minutes.had to replace the oil pressure sensor as well and that was a major pain in the a$$ but got it done. Thinking about the an oil catch can next. Want my 2009 SRX4 to last as long as possibl

  • @David-cb3vp
    @David-cb3vp 5 หลายเดือนก่อน

    Thanks ! Our 2012 Equinox with 3.0L V6 has been leaking oil somewhere at the front of the engine. Checked the PCV and found it almost plugged shut. And the PCV holes where still small like you showed on the 3.6L. Drilled and cleaned out like you showed. We'll see if this helps. Sure makes sense to me. Fact there was a TSB is reassuring.

  • @gumpyg
    @gumpyg 4 ปีที่แล้ว +2

    im in australia and we have this engine is in the commodore and now that iv seen it done im happy to do it to both my my cars as one is burning oil and intake is oily

  • @mperez46222
    @mperez46222 3 ปีที่แล้ว +1

    Im doing the holes on the pcv valve today. I got leak on 2 spark plugs, losing compression. Good video Thanks.

  • @trueblueozzy939
    @trueblueozzy939 2 ปีที่แล้ว

    I did this on my gmh (holden ,Australian car)
    3.6 works a treat and no more issues with timing chains (after I put new ones in)
    Smooth driving,, happy day. 😊👍🏼

  • @kevinmonseler3592
    @kevinmonseler3592 5 ปีที่แล้ว +10

    Great tip, stumbled upon your video, it's like it knew I have this problem lol. Am going to do this now. Plus I subscribed!!

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว

      It happens like that! Thanks Kevin.👍

    • @theraf8100
      @theraf8100 3 ปีที่แล้ว

      So did it end up helping your oil consumption issues?

    • @kevinmonseler3592
      @kevinmonseler3592 3 ปีที่แล้ว

      @@theraf8100 actually it created a different problem, smoke at cold start up, was pulling to much vacuum. So I ended up buying a new piece from gm it was like 30$ installed it and zero oil consumption after that

    • @theraf8100
      @theraf8100 3 ปีที่แล้ว

      @@kevinmonseler3592 Was the new piece a new PCV Valve? Thanks for the reply btw!

    • @kevinmonseler3592
      @kevinmonseler3592 3 ปีที่แล้ว

      @@theraf8100 yes it was, I found that drilling it bigger made way too much vacuum and my car started smoking at cold starts, so I went to gm and purchased a new pcv valve( which is hollow lol) and oil consumption resolved. And you are welcome for answering.

  • @DIABLO_4_Tester_Sacramento
    @DIABLO_4_Tester_Sacramento 4 ปีที่แล้ว +4

    What is the tube coming from left aft side of the engine and connects to the intake tube near MAF sensor? I have cold air intake and oil near MAF sensor

    • @ProudDad1976
      @ProudDad1976 3 ปีที่แล้ว

      Unless I am not understanding your question that line is a recycle tube and it is normal to have oil in a factory air box or in yours right next to the MAF sensor. Now I say normal but if you are getting a lot of oil then no and you should check your PCV valve to see if you need to replace it. I have a 2011 CTS4 3.6l and I will be drilling the holes in the PCV valve tomorrow

  • @bslav94pgt
    @bslav94pgt ปีที่แล้ว

    Appreciate the video, just did mine and it seems to run smoother already. Oil consumption still not sure will know in a few weeks.

  • @boycehamlet1082
    @boycehamlet1082 2 ปีที่แล้ว +1

    Bought the catch can , have you done a video on installing on the 3.6?

  • @ic3man5
    @ic3man5 ปีที่แล้ว +1

    GM also silently updated the valve cover gasket to block a lot more under the pcv valve.

  • @BarryJowers
    @BarryJowers 4 ปีที่แล้ว +6

    Is this the culprit for the oil pressure issue that eventually leads to the timing chain issues with the 3.6?

    • @christopheroliveriii3985
      @christopheroliveriii3985 4 ปีที่แล้ว +1

      yes

    • @ncckirk
      @ncckirk 3 หลายเดือนก่อน

      Keep your oil clean.
      Sludging kills this engine via the hydrolic chain tensioners

  • @alansungki7687
    @alansungki7687 11 หลายเดือนก่อน

    Great video I got a 2011 cts I notices there was big blob of slimy oil in the air intake hose when I was changing my air filter, the oil built up in the hose directly below the pcv vacuum line connected to the top of hose just before it clamps to the intake manifold which also had this grime which was getting sucked into the intake. That pcv line was connected to that same connector on the passenger side. I was glad I caught this when the car had about 60,000miles(about 95,000km). I found the same information you layout and bought a new valve piece and drilled it out and also added a catch can. i got one that has a brass filter and is easy to drain but it came with cheap tubing lines which couldnt handle high temps and ended up kinking and blocking airflow which almost caused the the engine to stall when i was out on a drive. I went to a local hose and tubing supplier and really didnt know what class or grade I needed that could handle the pressure and temperature. The owner came out and asked me to show him and I showed him my kinking lines and explained that I needed something to handle the temps and pressure. Now this was a place that sold and supplied all kinds of hoses and tubes by the spool but the owner just pulled off one of the lines that was kinked and checked the size of the hose, then said ok how long of piece do you need. I said 10ft just so I had some extra just incase. 5 mins later he came out with a nice thick hose and hands it to me, I ask him what the cost is and he said 10 bucks which was perfect cause I only has $10 bill in my wallet. I dont know what the hose I got was made of but it hasnt kinked in years and I still have about 4 feet of it in my tool box. But ya I would say get a catch can if you do this mod. Mine gets about half full of oil every oil change and thats all oil which would be getting in your air intake

  • @garymartin8619
    @garymartin8619 4 ปีที่แล้ว +2

    Is the pcv valve not interchangeable from the parts store and a upgrade from gm ?

  • @bigscout1584
    @bigscout1584 4 ปีที่แล้ว +2

    Video was so informative I had to share with Facebook

  • @holdenfan4513
    @holdenfan4513 3 ปีที่แล้ว +2

    Just brought a Holden vz with the 3.6l in it and after finding out about this I pulled my pcv valve out and it was completely blocked not a wisper of air could get through. The cars has 262 000km on it too. So shes gonna be sludged up 😭

  • @garytowne1548
    @garytowne1548 4 ปีที่แล้ว +2

    Good job. Gotta check my 2013 Traverse tomorrow.

    • @zeblonewell2049
      @zeblonewell2049 3 ปีที่แล้ว

      Same with my 2011 enclave. Its really bad on oil.

  • @jackofalltrades4959
    @jackofalltrades4959 2 ปีที่แล้ว +1

    Mane this was a great video, it’s hard to find videos on repairs on the STS and this right here may help me. As I’m definitely having this exact issue with mines as of today. Recently changed my oil and filter, 3 days later I heard a slight knock and a little bit of white smoke out my exhaust …fast forward, it breaks down after 10m of driving and I seen oil actually coming from my intake manifold/Throttle body and my seals once all removed! Never seen before but overall PCV Was my first thought but not 100% because I never had to deal with one lol I’ll see you tomorrow PCV …oh yea metal shavings somewhat only coming from driver side intake location) I should be scared 😱 thanks mane great detail on this

  • @spekdre
    @spekdre ปีที่แล้ว

    My 18 yo son bought an 06 CTS 2.8 with 80k miles a month ago--grandpa car--figured it was well cared for. Started hearing a rattle noise from the front of the engine when going up our steep driveway. Checked oil and it was not even on the stick--so that was the timing chain being starved when at an angle. I immediately changed the oil and put in 6 qts of AMSOIL. Researched these CTS's and heard about oil consumption issues. One week later (about 300 miles) and we're a quart low already. Plan to inspect the pcv (and probably valve cover design next). Hoping this will fix it.

    • @sergiosanchez4967
      @sergiosanchez4967 หลายเดือนก่อน

      Did this fix your issue.

    •  หลายเดือนก่อน

      @@sergiosanchez4967 We sold the car after about 6 months. I did take off the driver side valve cover and cut in some drains along the sides to help keep oil from gathering near the blow off fitting. I think this helped a little bit, but still were using about a quart every 1000 miles or so. Good luck

  • @chevyfan1251992
    @chevyfan1251992 4 ปีที่แล้ว +3

    2 concerns I have with this are:
    Won't changing the profile of the PCV valve holes increase oil mist-contaminated air getting into the intake manifold causing valve problems earlier??
    and what effect does the new drilled hole sizes have on engine vacuum? Will the change in pressure cause fault codes?

    • @ThatEEguy2818
      @ThatEEguy2818 3 ปีที่แล้ว

      It's probably a fix to get you through your warranty. 😁

    • @wildwoodtop
      @wildwoodtop ปีที่แล้ว +1

      This procedure is in conflict with GM modified valve cover gasket whereas the new version gasket has three little holes trying to prevent less air flow to prevent oil consumption and less carbon buildup on intake valve on direct injection models

    • @HDHeritageSoftail
      @HDHeritageSoftail ปีที่แล้ว

      Absolutely. Dit this with my pcv valve and get more oil in catch can. Fixed it with new pcv with standart diameter of holes.

    • @chevyfan1251992
      @chevyfan1251992 ปีที่แล้ว

      @@HDHeritageSoftail so you ended up buying an original part to reinstall because you were dissatisfied with how the modified drilled PCV worked for you? Am I reading that correctly?

  • @6thGenFarmer
    @6thGenFarmer 5 ปีที่แล้ว +5

    you should post a video on how to install a catch can on this particular engine. Because of the multiple lines going into the intake manifold, it seems harder to me than most engines are.

    • @1hatecrew
      @1hatecrew 4 ปีที่แล้ว

      I saw a 3 0l in a Cadillac which had a new designed valve cover gasket to help minimize excessive oil in the pcv system

  • @TJlolbagger
    @TJlolbagger 2 ปีที่แล้ว +1

    Stupendously helpful video. Truly excellent.

    • @Nthefastlane
      @Nthefastlane  2 ปีที่แล้ว

      Thanks TJ! Glad you enjoyed it.

  • @crossvilleboy
    @crossvilleboy 2 ปีที่แล้ว +1

    Very clear and informative. Thanks.

  • @sergiosanchez4967
    @sergiosanchez4967 หลายเดือนก่อน

    Great video!!! I have a 2014 CTS 3.6 engine just changed the oil last month and a month later the dipstick is not showimg any oil on it. Would the holes on the pcv valve be the issue? Any suggestions would help thanks.

  • @rudypernas7962
    @rudypernas7962 ปีที่แล้ว

    Thank you you save save me lots of money and oil it was very clear and very well done video

  • @harryh1019
    @harryh1019 2 ปีที่แล้ว

    Nice job on the video. I'll be watching more often. 👍

  • @davek6630
    @davek6630 2 ปีที่แล้ว +1

    GM has a revised valve cover gasket, with a built in oil baffle for the PCV passageway. I would still drill out the pcv valve like you did.

  • @unforgiven101inc
    @unforgiven101inc 2 ปีที่แล้ว

    Thanks so much I have a 2009 Cadillac CTS 3.6 and i will be doing this I am burning oil as well found in my spark plue #2. was on your shop this video wanted to buy a oi; catch can but didnt see what one I needed. How do I remove the oil for where my spark pluge is...Thanks again

  • @gregorycrouch699
    @gregorycrouch699 5 หลายเดือนก่อน +1

    Can you buy new updated pcv valves already pre drilled

    • @Nthefastlane
      @Nthefastlane  5 หลายเดือนก่อน

      If there is one I wasn't able to find it. It looks like the only ones that are sold are the ones with the original size holes.

  • @Waysofmanly
    @Waysofmanly 4 ปีที่แล้ว +3

    Just did this to my srx and the valve was full of sludge. Thanks

    • @jonrossi5110
      @jonrossi5110 3 ปีที่แล้ว

      Hey hows it fairing out now? add any quarts of oil?

    • @Waysofmanly
      @Waysofmanly 3 ปีที่แล้ว +2

      @@jonrossi5110 I have , not as much as I had previously.

  • @michaelstoliker971
    @michaelstoliker971 5 ปีที่แล้ว +4

    How much does a PCV valve for this engine cost? I used to replace PCV valves all the time as part of a regular tune-up back when they only caused a couple bucks. Surely GM has a PCV with the holes up-sized for this fix if they've got a TSB out on it. Why not just replace with a corrected PCV instead of drilling holes in a couple dollar part?

    • @Nthefastlane
      @Nthefastlane  5 ปีที่แล้ว

      I have the latest Genuine GM PCV in my store. I always pin every product in the video to the top comments, and also in the description if you need the parts in the future.
      Shop This Video: www.nthefastlane.com/losing-oil-gm-store

    • @kennyyetter
      @kennyyetter 4 ปีที่แล้ว +4

      @@Nthefastlane Even though this is the latest Genuine GM PCV that's in your store, is it the same size of holes or are they larger holes in the new one?

    • @jeffdietrich2903
      @jeffdietrich2903 3 ปีที่แล้ว +1

      @@Nthefastlane did this get answered? Would like to just order a new PVC valve, but are the holes larger? Also the link to the part on Amazon shows it's not compatible with 05 CTS. Is there something else?

    • @Nthefastlane
      @Nthefastlane  3 ปีที่แล้ว +1

      I'm going to say that the holes are the same size judging by the picture that I see online. I have not ordered a new one personally, only drilled out the holes in the pre-existing OEM one.

    • @Nthefastlane
      @Nthefastlane  3 ปีที่แล้ว +1

      It says that because they don't have a list of the vehicles it fits. But they are the correct PCV valves.

  • @ericgoudysr.2746
    @ericgoudysr.2746 11 หลายเดือนก่อน

    There is another guy who explains well too so you added to his vid--thanks.

  • @jameslyons6196
    @jameslyons6196 2 ปีที่แล้ว

    I added a catch-can to my 1989 chevy 5.0 with PCV after catch-can so then I found your video and did this with 2006 CTS 3.6 hopefully to release some of those crankcase pressures. Was thinking maybe the intake cumbustion camber would be next to think about cleaning with those added crankcase vapor to it, what do you see in the future?

  • @cindyhodges9715
    @cindyhodges9715 ปีที่แล้ว

    I have a 2006 Cadillac SRX with the 3.6. Been having to add oil every week and a half or two weeks now for a long time! Couldn’t find a leak anywhere, so this is definitely something to check out and see if it fixes my problem. Great video and thanks for the content. If you can help me figure out why I’m having problems with it cranking, (battery is good, alternator is good and the starter also) I would love the feedback. Thanks again!

    • @terryslay1
      @terryslay1 ปีที่แล้ว

      Did this help?

    • @stonigee7997
      @stonigee7997 ปีที่แล้ว

      How'd it go? I have a 06 srx v6 same problem. Tryna find a fix or something to help with oil consumption.

  • @jmg5155
    @jmg5155 3 ปีที่แล้ว

    I have a 2009 Cadillac CTS AWD does mine also need the pcv holes bigger as you mentioned in this video

  • @shaefreeman2768
    @shaefreeman2768 5 หลายเดือนก่อน +1

    Is there a link to one already predrilled?

    • @Nthefastlane
      @Nthefastlane  5 หลายเดือนก่อน

      If there is I have not seen one myself. If I remember right, I did look for one but they were all the original size holes.

  • @denwin8811
    @denwin8811 2 ปีที่แล้ว

    Thanks for the video. I just purchased a 2008 SRX 3.6L today and will change the oil and air filter. Then I will check out the PVC Valve. Does anyone cell a PCV valve that has the right size holes or do you have to alter the original? Please let me know if there is anything else on the these vehicles I need to pay attention to. Thanks for making this video!!

  • @nkastis8211
    @nkastis8211 6 หลายเดือนก่อน

    Hey why did you only do the passenger side? Also im guessing id have to put 2 catch cans since theirs a drivers and passenger PCV valves? What do you recommend? Thanks!

  • @ProudDad1976
    @ProudDad1976 3 ปีที่แล้ว +1

    Thank you for the video, I have a 2011 CTS4 3.6l 31,000 miles and I will be drilling the PCV valve tomorrow, I also will be installing a catch can soon. I use Mobile One, is there a better oil you recommend for this engine?

  • @littlegiannigutierrez5071
    @littlegiannigutierrez5071 4 ปีที่แล้ว +1

    Does the 2011cts 3.0 take the same procedure??

  • @andred2936
    @andred2936 5 ปีที่แล้ว +3

    Would this mod increase carbon deposits in the engine? and possibly effect smog emissions?

    • @Nthefastlane
      @Nthefastlane  5 ปีที่แล้ว

      I can't say for sure as I don't live in a smog required State. My personal opinion would be that it wouldn't affect it too much. Exhaust gases are still going to pass through the catalytic converter before the smog sniffer on the exhaust tailpipe.
      Maybe someone else can comment that lives in a smog testing State. They might be able to better inform you.

    • @Nthefastlane
      @Nthefastlane  5 ปีที่แล้ว +2

      As for the carbon deposits I would say it would make things better. In a sense if your PCV system is clogged up you might not pass a smog test because of the crankcase pressure getting past the piston rings and burning oil out the exhaust. When you allow the PCV system to pull more positive pressure out of the crankcase instead of it sucking oil, it's only going to pull vapors which are easily burned off once they enter the catalytic converter.
      A properly working PCV system will increase MPG. This happens because the PCV system pulls fumes into the intake system and burns it just like fuel. When the ECU recognizes that it doesn't need as much fuel it will spray less fuel from the injectors causing better MPG.

    • @andred2936
      @andred2936 5 ปีที่แล้ว

      @@Nthefastlane Thank you for replying. I live in California and always hesitant on making any modifications. Been dealing with this oil consumption for years on my 07 CTS so I went ahead and did this modification, hoping it makes a difference.

    • @joshuatorrez7608
      @joshuatorrez7608 4 ปีที่แล้ว

      Andre D how has this helped? I have a 05 cts that uses a lot of oil. I just replaced my spark plugs about a month ago and one of them had oil on it when I pulled it. I ended up changing the spark plug tube seals and the valve cover gasket.

  • @henrietn
    @henrietn 5 ปีที่แล้ว +3

    Great informative videos man. Keep it up

  • @misteremirror1234
    @misteremirror1234 2 ปีที่แล้ว +1

    Hi. I know it’s been a while since you uploaded the vid.. but I have a 03 CTS and it has a different (much bigger) pcv valve and i want to know if it can be changed to something like you showed in this video. Thanks

    • @Nthefastlane
      @Nthefastlane  2 ปีที่แล้ว +1

      Hi Mister,
      The 2003 Cadillac CTS 3.2L has a completely different PCV system. I made an entire repair video of the process here: th-cam.com/video/Du9tp0yliyE/w-d-xo.html

    • @misteremirror1234
      @misteremirror1234 2 ปีที่แล้ว

      @@Nthefastlane Wow! Like they quick reply.
      Will look into it and see what comes up.. thanks a lot💪🏼

    • @misteremirror1234
      @misteremirror1234 2 ปีที่แล้ว

      @@Nthefastlane Actually I already did the same to my cadillac cts pcv valve.. i placed a different rubber on it and took the exact same procedure.. but i still have milky substance by my oil filler. Any idea if it can be modified to use different pcv valve?

  • @waltccc4
    @waltccc4 2 ปีที่แล้ว +1

    Would this contribute to clogging the catalytic converters and throwing po420&430 codes?

    • @Nthefastlane
      @Nthefastlane  2 ปีที่แล้ว

      It's definitely a possibility. If the PCV system gets clogged enough it causes excessive crankcase pressure wich pushes oil past the valve stem seals and also the piston rings. When that happens, it burns oil and pushes it into the catalytic converter.
      Sometimes a blown head gaskets can destroy catalytic converters as well.

  • @arrmaarrma7565
    @arrmaarrma7565 4 ปีที่แล้ว

    Wassup! Man I godda show this to the mechanic that's working on my 2011 Cadillac CTS it's at a hyundai dealership I paid 🤦alot to get fix! When I found out it was losing oil now it back over there after 3weeks leaking again.

  • @marcusgraham9370
    @marcusgraham9370 3 ปีที่แล้ว

    Thanks for that that's what my CTS was now I need to drill out my hole thanks again this Is marcus

  • @willharrington6894
    @willharrington6894 2 ปีที่แล้ว

    I liked it so I'll give you a big ole thumbs up 👍, I'm going to do this to my 07 SRX It's got the 3.6L engine to, Thanks for the heads up on this problem!!!

  • @tysonmurphy7521
    @tysonmurphy7521 2 ปีที่แล้ว

    Thanks! I've got a 2005 sts with 140000 and I've started to go thru a quarter every 1000 miles or so. Hoping these help.

    • @denwin8811
      @denwin8811 2 ปีที่แล้ว +1

      Hey Tyson, wondering if this worked for you?

  • @natluna29
    @natluna29 2 ปีที่แล้ว

    Very easy instructions, thank you!

  • @fixitdaniel
    @fixitdaniel 3 ปีที่แล้ว +1

    I didn't know this i will try it .

  • @mikelauer8352
    @mikelauer8352 5 ปีที่แล้ว +1

    Very helpful video as my 05 cady has this same issue. Thanks

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว

      Thank you Mike! Anytime.

  • @peaceWorker77
    @peaceWorker77 5 ปีที่แล้ว

    You recommend a Catch can oil. Built. Is that will low the engine oil levels?

  • @southerncross3638
    @southerncross3638 หลายเดือนก่อน

    Drilled the holes on my 05 srx. All I got was blue smoke at start up, and catch can started filling with oil put original pcv back on I started to keep the pcv clean on a regular basis That was 4.000 miles ago no problems.

  • @rickbodi5944
    @rickbodi5944 8 หลายเดือนก่อน

    Oil in intake tube ended after doing this to it, but still uses some oil still. Throttle plate stays clean as a whistle too. Hope this reduces intake valve deposits also from less oil in intake tube. 👍✌️

  • @danielsimpson8929
    @danielsimpson8929 5 ปีที่แล้ว +3

    I'd argue that all of the hfv6 line should have catch cans. The lf4 should have a dry sump much like they've done with the c8 vetts

  • @seadoocruiser1863
    @seadoocruiser1863 5 ปีที่แล้ว +1

    Is it true that this can lead to timing chain failure if the pcv isn't freer flowing?

    • @bigfella6629
      @bigfella6629 5 ปีที่แล้ว +1

      Yes its part of the problem. You also need to do regular oil changes and use a good full synthetic oil.

  • @ExclusiveAutoImports
    @ExclusiveAutoImports 4 ปีที่แล้ว +3

    Is there a valve on each bank, or just the one?

  • @17reasonstokeepfighting58
    @17reasonstokeepfighting58 4 ปีที่แล้ว +4

    I drilled my pcv out, cleaned carbon out of intake, throttle body, tube from valve cover to intake...I reset my mileage trip odometer and I went from 21.5 mpg to 24.7mpg. This was just the first 25 miles, so will have a better idea in 1000 miles. Engine is definitely running smoother. Thanks for the info. I was consuming 1 quart every 500-750 miles. Hopefully this eleviates this issue, 221,000 miles 2007 Cadillac CTS 3.6L

    • @joshuatorrez7608
      @joshuatorrez7608 4 ปีที่แล้ว +1

      M F how has it been? I have a 05 cts 3.6l that uses a lot of oil too.

    • @17reasonstokeepfighting58
      @17reasonstokeepfighting58 4 ปีที่แล้ว

      Joshua Torrez
      My 07 is still using/ leaking oil. It stopped leaking oil at the breather tube on driverside valve cover that goes to the intake though... So I think I am going to just keep adding oil every week like I have been. I don't feel like installing a catch can. My mileage went down a little by the way, now getting around 23.0 mpg. But I think I have a coil misfiring intermittently. So I am sure that is killing the mpg a little. Good luck Josh.

  • @petebourne7619
    @petebourne7619 4 ปีที่แล้ว +2

    Where is the pcv on the 2003 cts.

  • @MarkSmith-js2pu
    @MarkSmith-js2pu 3 ปีที่แล้ว

    I’ve e replaced that Valve and drilled out the valve. I want to do take off the hose it attaches to but can’t figure out how to get the other end of the hose off , I don’t want to force it. What’s the trick?

  • @MrJimbo666
    @MrJimbo666 4 ปีที่แล้ว

    I have the same problem on my '15 Colorado with the LFX 3.6. Will this help out and install catch can too?

  • @tnicholas6620
    @tnicholas6620 5 ปีที่แล้ว

    Interesting vid...my son's '07 Buick Lacrosse has the 3.6L VVT and burns about a quart of oil every 2500 miles...I just replaced the PCV valve and made this mod, will be interesting to see if it has any effect...

  • @Zeppodone1000mg
    @Zeppodone1000mg ปีที่แล้ว

    Is a GM 3.6 v6 in a Suzuki XL 7 going to be the same mine runs through about 2 quarts a month

  • @cilverado
    @cilverado 3 ปีที่แล้ว +1

    Thanks so much

  • @denniswinslow2643
    @denniswinslow2643 2 ปีที่แล้ว

    I did this on my 2008 SRX and it seemed to solve the oil use at first. The PCV was very clogged and dirty so I drilled it out per your video. Now it's using the oil again. Do you think I need to put on a catch can or just get rid of the SRX?

    • @HDHeritageSoftail
      @HDHeritageSoftail ปีที่แล้ว

      All of those engines use oil more or less. Drilling the pcv is not a good idea - I do it to mine and it get worse, more oil in catch can (because bigger holes allow to flow more oil mist in intake). Ending with new pcv. Better install a catch can and live with this "feature" of these alloytec engines

    • @elainemeeker664
      @elainemeeker664 2 หลายเดือนก่อน

      I bought a 2004 srx that the prior owner didn't use synthetic oil, first time I checked the oil, barely showed on dip stick. I have been running synthetic and it does use a quart after hundreds of miles. Goingvto drill the pvc . Thanks for the video.

  • @garymckee8857
    @garymckee8857 4 ปีที่แล้ว +1

    If you buy a replacement PVC valve does it have larger holes in it?

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว +1

      I would like to say yes, but to be truthful, I haven't seen a newely purchased retail one yet. GM did change the design with the later models during assembly.

    • @garymckee8857
      @garymckee8857 4 ปีที่แล้ว +1

      @@Nthefastlane Thanks I'm going to purchase one tomorrow.
      I will post if there is a difference.

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว +2

      @@garymckee8857 If it's the same size holes I would just drilled the new one out. When I returned this vehicle back to my friend, the first thing he mentioned was that the vehicle felt much more responsive and it had quicker acceleration.
      It makes sense because the pistons and rods don't have to fight crankcase pressure. Also, lower crankcase pressure allows the piston rings to seal better causing better compression. All this means better MPG and more HP.

    • @86diggler
      @86diggler 4 ปีที่แล้ว +1

      @@garymckee8857 was there a difference?

    • @garymckee8857
      @garymckee8857 4 ปีที่แล้ว +1

      @@86diggler sorry I forgot to get back to you and the answer is no it's the same diameter holes as OEM.

  • @TheShornak
    @TheShornak 4 ปีที่แล้ว

    you mention you were going to put a link for a Catchcan but I don't see it.

    • @Nthefastlane
      @Nthefastlane  4 ปีที่แล้ว

      The link is pinned to the top comment. There is 4 catch cans in my store. If it doesn't load the first time, just refresh the page. Sometimes the store might not load.

  • @usedmechanic6833
    @usedmechanic6833 3 ปีที่แล้ว

    If this is necessary whats with the updated right side valve cover part# 12641261 that covers over the pcv chamber except for 3 small holes on 3.6 gm's ? seems this would have the opposite effect

    • @jbone1383
      @jbone1383 10 หลายเดือนก่อน

      It's actually called a ccv(crankcase ventilation valve) on these engines, as it is not a pcv in the traditional sense since there is no ball valve inside of them...that being said; it's all about finding the happy medium w/ these ccv systems...GM found out that the older gasket designs were allowing TOO much oil to be sucked up into the valve at high engine vacuum and because the holes were too small it would cause them to get clogged up which in turn created too much pressure in the crankcase & then it's only a matter of time until it starts developing all of the associated symptoms w/ that...the new gasket design prevents too much oil from the crankcase from being sucked into the ccv system. Add drilling the holes out larger on the ccv on top of that & it will never get clogged, it won't suck in too much oil & you will have a pretty darn reliable hfv6 that should give you many more trouble-free miles! If u have a gdi version, though, I would still recommend running a spray intake cleaner w/ PEA through it every 25,000 miles to clean up the carbon build-up off of the intake valves & pistons that accumulates on those...

  • @DarrelllCampbelll
    @DarrelllCampbelll 2 ปีที่แล้ว

    Should It flow air bidirectional? I can actually see through it after cleaning it.

  • @spasticitystevo
    @spasticitystevo 3 ปีที่แล้ว

    Does this also happen with the 3.2/2.8L cts? Does the crankcase have more or less pressure the larger/smaller the engine? Would I need to adjust the size of the hole drilled out?

    • @nickking1510
      @nickking1510 2 ปีที่แล้ว

      2.8 cts I own yes same valve did mod on weekend ,one of my holes was plugged drilled all three as in video cleaned hose with carb cleaner

  • @bigscout1584
    @bigscout1584 4 ปีที่แล้ว

    Will this help with the timing issue that the 3.6vvt had in the 2012 area

  • @unitedwestanddividedwefall3521
    @unitedwestanddividedwefall3521 4 ปีที่แล้ว

    Does this apply to a 2016 impala with the 3.6? Would getting a catch Can help??

  • @jeffk9658
    @jeffk9658 ปีที่แล้ว

    I have a 2015 Cadillac SRX with the 3.6L engine that burns about a quart of oil every 5k miles. Not as bad as some have reported with the older models which supposedly was fixed in '14 but still unacceptable to me. Any other ideas of what could be the culprit?

  • @ryansimnacher5459
    @ryansimnacher5459 3 ปีที่แล้ว

    My 2011 Cadillac CTS performance has a different PCV valve it's plastic and had a 45° bend can you use this PCV valve on my 2011 CTS?

  • @bobdamico3715
    @bobdamico3715 2 ปีที่แล้ว

    So I rebuilt the top half of my 3.6. And installed new valve cover gaskets and noticed on the right bank valve cover gasket it’s sealed off with 3 little holes so that it protects oil from splashing up onto the pcv valve, my question is could this be even more of a problem? Right now I’m burning a quart every 150 miles which is crazy and it’s definitely going out the exhaust, do you have any ideas for this? I appreciate any info I can get

  • @kevinchatten4411
    @kevinchatten4411 ปีที่แล้ว

    Great tip Thanks

  • @johnnie135
    @johnnie135 5 ปีที่แล้ว +1

    Hi, I have a 2012 SRX and my engine doesn't look anything like this engine. Are you sure this information can be used up to model year 2013?
    Let me know.

    • @Nthefastlane
      @Nthefastlane  5 ปีที่แล้ว +1

      The SRX went to a standard PCV check valve. No need for this modification.

    • @johnnie135
      @johnnie135 5 ปีที่แล้ว

      @@Nthefastlane Very cool, you had me nervous there for a second. Thanks.

    • @Codeejonz
      @Codeejonz 5 ปีที่แล้ว

      what about for a 2009 cadillac Cts v6 ? thanks

  • @ericgoudysr.2746
    @ericgoudysr.2746 11 หลายเดือนก่อน

    Thanks you are super clear--thanks.

  • @1bradylayle
    @1bradylayle ปีที่แล้ว

    Wow, I am having this issue with my gm 3.9L in a 2010 Lucerne. Replaced the crank seal twice in the past year and it is still leaking oil. Would this be the same in a 3.9 L? Help

  • @Bmxmatt98
    @Bmxmatt98 3 ปีที่แล้ว

    After the holes are drilled and the valve is put back. How long until I start to notice this trick working???

  • @juanubinasjr6739
    @juanubinasjr6739 3 ปีที่แล้ว

    Great video! Thanks!

  • @ironfistarrival
    @ironfistarrival 5 ปีที่แล้ว

    Hi there , is this problem with all GM cars for example Hummer H3 3.5 or 3.7 litres engines
    as well ?
    Thank you .

  • @markusgarvey
    @markusgarvey 4 ปีที่แล้ว +2

    A better idea is to use a PCV for a Gen 1 or 2 SBC. Those little holes are still not enough. There is a 1 way valve or anti backfire valve inside unless the small holes are supposed to substitute for the anti backfire valve. The only reason for this would be manufacturing costs There is also an updated VC gasket for the left bank. I haven't done this yet, but the holes at the back should be bigger as well

    • @spekdre
      @spekdre ปีที่แล้ว

      forgive me, but what is an SBC? Another car model?

    • @jamesminervini1251
      @jamesminervini1251 ปีที่แล้ว

      ​@@spekdre small block chevy

  • @jedeckert9525
    @jedeckert9525 6 หลายเดือนก่อน

    My wife’s 2018 traverse has oil consumption issues. So does my brand new 6.2 Silverado.

  • @RoubidouxCreekOutdoors
    @RoubidouxCreekOutdoors ปีที่แล้ว

    Where is the one on a 2014-2017 Chevy Equinox 3.6 ? The PVC Valve?

  • @uchihasasuke945
    @uchihasasuke945 4 ปีที่แล้ว +1

    Dude where has this video been, i changed my plugs couple months back and had oil in every chamber. Also oil pressure has been high so I'm guessing this is the culprit.

    • @jonrossi5110
      @jonrossi5110 3 ปีที่แล้ว

      This just happened to me today when doing my plugs!

  • @niazk812
    @niazk812 5 ปีที่แล้ว +1

    great video.

  • @risky445ricky
    @risky445ricky 4 ปีที่แล้ว

    Sir can you tell me about the location of pcv valve. I have holden commodore vy 2003. I need a on short video on this topic. Plz

    • @daveblack7370
      @daveblack7370 4 ปีที่แล้ว

      The by has the Ecotec this is a vz/ve alloytec issue

    • @daveblack7370
      @daveblack7370 4 ปีที่แล้ว

      Vy sorry not by