Crank Case Ventilation Valve Test CCV BMW E46 E39 E53
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- เผยแพร่เมื่อ 11 ส.ค. 2015
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How do I tell if my CCV valve is bad? This simple test will tell you if your BMW's crank case ventilation valve is functioning or defective.
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BIMMER ZEIT c
Can I use your video at my website jetmangaraj.com
Hello is the diafragma in the ccv stuck in the open position ? So the intake sucks alot of air ?
There are lots of smart asses posting comments here, but this is a very useful video that shows what to expect when diagnosing the CCV valve membrane/diaphragm failure. A slight vacuum is normal, but this extreme vacuum is not. CCV failure is a lot more common than many people think; on the models listed here as well as every other BMW manufactured since the early 90's, as well as the VW 2.0 TSI, and I'm sure there are others. P0171 and/or P0174 are common. Other symptoms can include whistling/screeching/howling sounds of air being sucked into the crankcase, sometimes through the oil filler cap or valve cover gasket, sometimes through the front or rear crankshaft seal. On a VW 2.0 TSI, this problem can, and often does, pull their stupidly designed, cheap rear main seal loose, meaning you have to drop the transmission to repair the oil leak. This has also occurred on BMWs although less frequently. There is a TSB describing replacement of the front or rear main seals on certain BMWs era 2009-2011 due to CCV failure. Thanks Bimmer Zeit, ignore the smart asses.
Thanks for the helpful comments bud, I appreciate it. Yes, it is good to mention that this CCV failure is a common cause of the P0171 and P0174 codes. On this car the vacuum was so strong that it put hairline cracks in the valve cover, further leaking air and causing lean codes.
So it is normal for some vacuum from oil cap?
Can you read my comment. Was thinking you might know the problem possibly....
Deeges909 yes
Man. I'm fighting with cold start misfire more then year. Have changed ccv already. Today mechanic told me my ccv is bad coz it has no high vacuum. I was like wtf ?! I was sure it must have a slight vacuum if remove oil cap. I'm confused. My other car m54b30 works exactpy the same with changed ccv. Confused
My 2002 e39 bmw 525i has this issue. I cant even get the oil cap off and I'm so glad you posted this. Gonna change mine out today
Thank you for not trimming on foot ten minutes about nothing. I’m subscribing
You make simple and great videos!
Love it.
Short and sweet and informative.
Thanks
Useful to know. We had a little oil use from it too. Once we changed it; no strong vacuum and no oil top up needed.
Which Doctor thanks for verifying the fix!
I have an e36 m52b25 engine, I checked and cleaned all the vacuum pipes, inlet manifold etc and fitted pattern part ccv, I had so many issues recently with misfiring and low end power which was down to a DEAD battery, Car running a lot better now but I'm getting a whooshing noise and I can't figure if it's my fan blade noise or another ccv issue, I have a light vacuum pull on my oil cap if I remove it while motor is running nothing like the strong vacuum in the video, and my engine rpm only dips slightly with it off, same with oil dipstick, car has done 242,000 miles.
@@ALPINA527 you had problems with the car becausr of weak battery? Could you please tell me some examples what happend when you changed battery please? Thank you
@@ALPINA527 how were you able drive drive with a dead battery?
I love bimmers when they operate without issue, unfortunately that is not very frequently
when buying a used one with no history of maintenance you must methotically replace everything and start a new history, Thats why you should get it dirt cheap.
you should turn your own wrenches and get INPA or some software to monitor its health regularily. They are attention whores and high maintenance but they also perform!!! if you're into gassing up and oil changes only, they are not a good car.
Had my 530 for 16 years now , same oem clutch. No issues except for starter going out that was my fault for it's demise.
Have my old e38 five years now, and not a single issue besides a few very easy fixes. 350k on the clock, so maybe the previous owner spent a fortune, i dont know 😃 the necessary fixes after all these years worth about 500$ in parts
Mehh there like marmite. Also sitting in a pool of its own oil for 4 years 🤷♂️
@@ryhu5642 Check CCV is not clogged. It has to pull gases from inside engine or seals blow up..
Should the same happen with a 4 cylinder engine like M43B19?
I have an E39, you have to chase those vaccum leaks. Great car, never leaves me stranded.
Had same problems. Mechanic said it was the PCV hoses. Same problems not passiy smog. Then he said the only thing he can think of is the fuel pump and fuel filter going bad. My car is running lean. Will the fuel pump and fuel filter cause a code like the one you mentioned on this video?
I hope someone can answer. My 525i is not staying on for more than a few seconds. Codes are reading both codes you had and I've done a smoke test with nothing coming out. There is suction from the oil cap could the ccv cause a no start? Worked great than boom
If my car doesnt change the sound but the sound Wenceslao you take the cap off is normal?
Can bad crankcase ventilation hoses cause this issue??
After my recently o2 pilot mod i have the same high vacuum. Car was burning a lot of oil, after the mod almost nothing.
What the knocking sound after oil cap off? I have M54B22 E46 and every cold start do same knocking, but no vacuum in the engine. Bad ccv? Pls help. Sry my eng
Will the dipstick to the oil do the same
perfect video FINALLY A VIDEO that gets Stright to the point!!
But mine it's m43 engine once I remove cup on engine hidling changes machanic said it's gasket or compression rings how true is that please
Hello mi engine jump oil, is Normal?
In this case..when It makesI this vacuum sound..the ccv system..its workinng good or not?..this IS my question..thaks
I have e60 , check for ignition because of the fuel ventilation, help me :)
M43 b19 i have the same vacum when open the cup.its normal?i have problem?
Is the vortex breather Cause engine oil shortages?
This test is just for bmw or for any car?
When it sucks so much air, is it good?
Hi there you People.... What about the dame issue, but, with the N62 engine? Both diafragma are new. Can you tell me? Please!
on my E46 N42B18 the engine cuts out when I open the oil cover.
What if there is a vacuum leak in the ccv?
I change ccv all set and still no vacuum like this..?
How about 202 & 203 codes???
The sound, This mean good condition or bad ??
Yes, That's what mine does. Question does your's also have a feeling of shit problem feel??
Thanks for the tip, thumbs up
What if my cap is jumping around?
Do this work on 328i?
Excellent test
Help?
I have air pumping out of the hole in the side of the pcv valve on my e36 328 .
Sounds like some kind of musical instrument.
The cap isn’t hard to remove and there’s no’s smoke out the exhaust.
Is the valve shot?
Possibly a split pipe?
Cars running fine.is it bad to drive it like this?
Thanks
It’s not bad but fuel consumption will be higher may loose power or cause a lean code
Mines just makes the noise likw a deflating balloon wirh and wirhout the cap on and the cap removes normally.
Thank you so much for the information, it's so clear.
Oq causa esse defeito,alguem pode mim ajudar?
+BIMMER ZEIT
I own a e46 and was curious on the system in front of the windshield wiper fluid cap/system. Is it an aftermarket system?
Luis campos hey Luis good question. The e46/e39 washer systems are different designs. This e39 washer fluid bottle visible in the video is actually the reservoir for headlight washers, part of the winter package which is an option - so not all e39's have it.
@@BIMMERZEITThello i have an bmw e39 1998 m52 520i when on cold start the rpm goes up and down like it gon turn off if you dont hit the gas pedal and the accleration si not constant its good when the car is cold but when it is hot or driven more the accleration is sluggish not enough power but sometimes the power comes back and goes away again no engine light no nothing just not enough power it feels like the car is heavy like a army tank haha i dont know how to explain it better please help iam desperated please
Is it similar for e36 m52b25? And that cup suction and idling means that ccv valve is totally gone bad or it just starts to fail and functions incorrectly. And when it totally fails what can happen then? I heard if it fails totally then it can suck oil from karter to cylinders and burn it all.
Mine went bad... for like 10 minutes my car get all the oil and burn it ... it was terrible ...
my car is trowing alot of white smoke from the exaust. i think it might be the valve but i did the same think and my oil cap is easy to remove and if i open it while on it throws oil
Did you fix it yet
my engine m54 makes only a little vacum and rpms changes a little in only few seconds. Is it normal ? All ventilation pipes and CCV were cleaned and the valve is in very good condition.
That sounds normal to me, slight vacuum from the cap is normal. The problem is when the oil cap sucked down hard like a vacuum cleaner and hard to remove.
That can send misfires??? because my bmw 328i does it send missfires for cilider 1 and 3 i replace the spark plugs fuel injectors and the coils are good and I do have the whistle noise of the ccv can be that or maybe is something else???
yes it can be the cause of misfires, and make strange noises!
I have the same problem. I have been replace ccv and that not solve my problem. Shows bank 1 and 2 all the time and car wont run fine....what the typical issue ? Catalytic conv or 02 sensors
Bank 1 and 2 what? Lean? You have to be specific. First step should be a proper smoke test of the intake to find leaks. There are numerous areas that can leak including but not limited to: DISA, intake bellow upper, intake bellow lower, hairline cracks in valve cover, valve cover gasket, CCV and its associated connections, oil dipstick tube can be clogged.
How can you tell a new one works? I opened up the old one and see the diaphragm. If i pull a hard vacuum with the vacuum cleaner on the top the diaphragm closes a bit but feel like it doesnt move as much being that quite a bit of vacuum flows through the bottom. The new cvv is the same. Didnt appear like the old one was bad
2:07
Can anyone help me! I've had a P1189 and P1188 code simultaneously going on and off for better part of 2 years. I also have a P0340 code that goes on and off not lined up with the other 2 codes. I have loss of power when accelerating low ish idle here and there, hard start and BAD fuel economy. I've done a lot can't list it all but I suspect maybe TPS or MAF and I'm doing tests on that this week. But wondering if this sounds like CCV? THANK YOU FOR ANY HELP
I have a 2000 328I for the record. Air filter was also changed spark plugs coils. My ABS BRAKE AND THE HAZARD TRAINGLE frequently go on and off and recently my oil light is flickering but just got oil change and it's at a good level.
My car died when i open the oil cap. Is there something wrong with my car?
Hey I just did a CCV replacement, and I have a bunch of misfires and fuel control faults.. any ideas? Did I just uncover another issue by fixing one lol...
Misfires can be from bad sparks and coils...
what if when i remove the oil cap my motor shuts down?Put oil cap backon restart motor runs fine.Is that OK..yours stays on my car 528i 1997 Thanks
Happened to me to just bought the same model
Nice video, i have a m52b28 single vanos, i did a leak test on the intake with a smoke machine, and i notice 2 things, with the throttle body fully close there is a little leak in there, is that normal? Also, i saw that the ccv is getting air through the intake to the crank case(didnt see any smoke, but as the smoke machine build pressure i heard air comming through the oil cap), is that normal? Or so i have a problem in the ccv?
Replace the seal on the oil cap
this time a serious question... i had this problem on my 4.8is and i successfully diagnosed it this way. but my question is: is it the same effect with broken CCV on diesel M57? it is also in E53. thanx
Thanks for the great question. I can't answer it for you though, I don't have any diesel engine experience as they aren't common here in the US. Hopefully another viewer can chime in.
On my M57 diesel the vacuum is a lot weaker, as normal for a turbo diesel engine. One can open the cap without particular force or hiss. The most important thing to look for on M57 engines it the health of the PCV filter/separator, located on the top of the head cover: it often gets clogged (because of poor manteinance), increasing the pressure in the crankcase, ultimately leading to turbo failure due to lack of lubrication. On the other hand, if it breaks, rue turbo can start to breathe oil drops, leading to failure. Keep your PCV filters clean and changed, I do mine every 10.000 km. Regarding vortex filters, I received mixed opinions from friends with the same engine, therefore I prefer to stick with the classic cotton filter and increase manteinance. No issues so far (230.000 km).
Thanks! I use loo roll too in my m47! 😆
i have p1050 Ox sensor before cat bank 2 minimum value and p0173 fuel trim bank 2 control limit and p1189 fuel trim bank 2 permissible range exceeded, could a bad ox sensor cause all of these? i just bought it last owner just changed all the ox sensors i got receipt and everything, and i can't seem to find any vacuum leaks
Replace fuel filter white presure regulator ;)
@@TheTob332 White pressure regulator?
Ok i didn’t get it. I’m trying to diagnose and in my case i have way less sucking but when i remove the cap the car shuts down in few seconds after struggling to idle. Is that bad ccv or not?
Tako treba
How does one tell the difference between a bad CCV and bad valve stems? Is this test a pretty much sure thing that the CCV is the culprit?
I would also like to know
Um I did my valve cover job yesterday and the cams are really clean for 200k miles on my m62tu44 and soon I'm doing the pcv valve thingy on the back of the manifold. I know it's bad since it cold start cloud of smoke, weird idle low then slightly higher then back low and vacuum in the the crankcase. Mil on for multiple misfires at start up but she has no misfires so little by little fix this and that hopefully a never ending cycle of fixing stuff. Working on my car is something I really look forward to every weekend.
So I drive her hard she takes the beating and eventually I hope to break something so I can up fixing her again and again. Love that.
Lol that’s the spirit! Doing repairs can be fun and satisfying, I agree. As long as they don’t get too expensive!
Maybe you can help, I got 645 that does the same thing when you remove the oil cap and blowing white smoke, I already replaced both crank ventilation valves and no change, if I let it suck in little air (by no tightening the oil cap) it stops smoking... What else could it be that's keeping the engine all pressurized like that?
+Alfred Ferrill hi Alfred, I am not familiar with the 645 motor- however- on the M54 the dipstick tubes get clogged due to poor original design and are a part of this whole problem with the crank case valves. An updated dipstick guide tube was added to the parts catalog at some point. Maybe check into the dipstick guide tube for your model, hope it helps.
Your problem is that you have bad valve stem seals.
There is not "both" ccv's on bmw. The I6 and V8's use a single one. You might have gotten ripped off.
Grzegorz Durda no sir... pretty sure there was two. replaced both didn't help tho
I have the 540 with the same V8 and replaced it and i know there is one on the back on the intake and it can be done with intake no removal required.
thx for this video
This strong suction is correct? What about a car shaking abd when i open this cap and close it the shaking goes out?
No, the strong suction you see here shows a failed CCV valve. A properly functioning valve will have very little suction
BIMMER ZEIT can check my car, i have a video for it please give me your opinion : th-cam.com/video/6cOaPNCq9LM/w-d-xo.html
does this work on n52 later version?
it works on any engine
Anyone know roughly how much someone should expect to pay an indie to replace a CCV? The vacuum isn't as bad as this but I do have a slight suction and I do have the yellow gunk ('bmw mayo') around the oil cap. Think it's a combination of thermostat stuck open (never getting up to temp), O2 sensor, really cold weather and possible CCV
The Documentary Dude 130 with overnight shipping
Not sure for an indie but I did ask my service advisor at a local dealership out of curiosity and they charge $1,067 for parts and labor. They remove the intake manifold to do all of it.
Wow, I guess if it's a show car or a newer BMW it would be worth it. These cars (e46) in the UK are about £1000 and go up to about £2000, dirt cheap for a lot of car but the price of parts is horrible.
BIMMER ZEIT I just had it done it came to $1,077 with tax. There must be a universal price book on this service! But the car is running great now. I thought I may have a bad valve. happy camper
One question please, in this case would the engine be leaking oil and smoking?
Mine is clogged at the moment I had smoke and pressure coming out of the oil cap and some oil leaked due to the pressure inside the engine
Whats the normal behaviour it should be for the oil cap? In my case i have very, very mild suction and when i remove the cap the engine doesn't get affected at all like if i didn't remove the cap .. I believe i have vacuum leak some where, already changed all intake hoses/boots. next i'm thinking to do the CCV. I'm getting misfire codes plus fuel trims range exceeded.
Did you ever sort your problem have the same ?
@@JamesImlach-jl7pf it's the rubber seal of the rocker cover (the top engine cover), also the CCV needs replacement i can see the the hoses are too dry with tiny cracks. but i haven't changed them yet. I will do it this summer, this is not my daily car. it's better to get the original rubber seal, avoid aftermarket most of them are crap.
@@JamesImlach-jl7pf Oh and the fuel trims exceeded is from the oxygen sensors going bad, one of them doesn't read at all.
Thanks for the info on CCV issues. In the video I saw the coolant tank filler cap on left side when facing the engine and windshield fluid tank in left firewall box. I have only seen that configuration twice and wonder if It is a stock option on 330 CI. I was hoping that I could improve performance on my 330 CI by replacing the air filter box by changing configuration to match what I saw on video. Is the air flow significantly better on your engine than my standard oem 330 CI air flow system. I only want OEM components not after market non stock parts.
Lori Thomas thanks Lori. This was on my e39 5 series which shares the engine with your E46 3 series. The air box design is different. You will see best performance by keeping the air box stock. Just get a K&N or high flow panel filter is what I recommend. Be well.
I have an E39 528i with M52B28TU engine. When I remove the oil cap with engine running I don't feel any vacuum and my revs aren't dropping whatsoever. Is my ccv bad? The video is great but doesn't provide me with these kinds of details.
Zsocee I will update the description box of the video to be more clear in the future, thanks for the reminder! It sounds like yours is fine. Excess pressure as shown in the video shows a bad valve.
@@BIMMERZEITT I think this is bullshit, if there is no vacuum and rev drops that means, the intake cannot suck air(oil gases) from cylinder head and crankcase YOUR CCV WORKS BADLY. If your CCV is good working when you remove the oil cap it has to have a little vacuum, not big as you've seen in the video, just a little vacuum. And your engine has to drops rev a bit, because the intake manifold get some unmeasured when oil cap is open. The MAF is among the CCV intake hose and air filter.
Hey BIMMER ZEIT, My Car M52 523i E39 is burning lots of OIL out the Exhaust, my oilcap is going off easily and the rpm's only shlightly change when taking it off.My Oil Dipstick isnt properly showing how much OIL is left, only one small side of the Dipstick shows how much oil is left. My Car is smoking a lot after driving off when the light goes green. Do you think it could be fixed by replacing the ccv valve ?
Many Thanks in advance.
Greetings
sounds like piston rings
oh god dude
If your CCV is original or very high miles it is possible it could be causing some oil burning, yes. If the oil is low on the dipstick you probably are just low on oil from the burning. It is possible to have other oil burning issues, more common is bad valve seals and less common is a piston ring issue. Start with the easy maintenance first (do the CCV kit for under $100). If still no remedy, have a shop do a leak down test to see why it is burning oil. Hope it helps!
This sounds like the typical BMW N62 engine valve stem seal problem. Just start googling it. Expensive to fix at a shop, but there are some DIY articles on bimmerfest.
@styler144 what did you do to fix your problem’ I have the same problem
I have white smoke coming out the left exhaust pipe do u think that could be the pcv?
Thanks
Love Forever what car model?
Vavle seals if it’s the v8 for sure I had an x5 with the same issue
If you do a vacuum oil cap test, should the cap be hard or easy to remove if the ccv is faulty? My x3 (e83) has no suction whatsoever when I take the cap off but am NOT getting any fault codes
I have similar issue to yours atm, did you solve yours? what was the problem with it?
But when i start the engine starts shaking 🤔🤔🤔
Mine has strong vaccum but I’ve replaced the whole ccv system with a meyle Hd one and I still have this issue. I also did the 02 pilot mod to help oil consumption
Check the dipstick tube for blockage there was a tube update. My 01 was totally blocked with sludge
@@BIMMERZEITT had that out when I did the ccv and did the mod where you drill holes to help with draining I suppose I could pull it out and check it again.
@@BIMMERZEITTI’ve checked it all and it’s just still not right. Such a bad design! It’s causing me rough idle rich fuel trims the lot I’ve replaced the CCV valve twice and done all the hoses and it still just doesn’t work properly my intake is caked in oil and carbon
then in the viddeo you demostrate yours is ok?¿?¿?¿
thank´s
+Andres varas the above video shows that the CCV on this car is defective!
Hi there! My BMW X5 2005 v6 3.0 is doing that🤔😬😬😬
A friend of mine has this problem on a 1.8 Z3. We've swapped the PCV to a new one and the problem persists. Any ideas please?
cipmars check the dipstick tube is it clogged? There is an updated tube on the m54 6 cyl I am not familiar with the 4 cyl engines
@@BIMMERZEITT it works just fine with the engine off, the tube is clean. You need to stop the engine to be able to take the oil filler cap off. If we start it with the cap off, it sucks in air.
Should have avoided 4 cyl BMW mate get a proper BMW 😂👍
Hey man, can a bad ccv cause white smoke from exhaust? ….02, 525i
Yes
I have a theory that a lot of first owner of thede bmws for the most part believed the cars could just have their oil changed. I just got an 04 x3 with 97k on odometer, and the previous owner NEVER ONCE changed the air filter or cabin filter. Additionally I dont think they every changed the oil filter... the car is a mess...
Yeah, that plus all the plastic in the car that probably wasn't replaced as well. It's a recipe for disaster.
Later the same owners go complaining of ''how bad BMWs are'', ''moneypits'' and other bs...
Typical used bmw owner
they buy them for the status but cant afford to maintain them. no problem, I get them for virtually nothing and fix them good as new myself for a few hundred in parts
Hi is your car disel??I don't have that problem but when I remove the cap I kan se little white smoke .all the best from Sweden
Gasoline
Hey i have bmw 325i i have a litle suction I can take the cap off bet u can feel the small resistence and when i take it off u can hear the idle changing a little bit is that normal ir the ccv is going bad?
Totally normal.
Me too did u work on ur car I need help
Can a failing ccv system cause oil to travel to cylinder(combustion chamber)?
Da moze
Can You do a Video on where the valves are located please
+CoolinKofi the valve is under the suction pipe, so it not visible. You have to remove many parts to replace it.... big amount of work. (work is more expensive than the ccv valve)
My 2010 328I BMW is making a loud whistling sound when it get hot after I went and got a oil change
@@laquanmurphy5248 Mine has the same, see my video, what was the cause? I know this comment is really old, but it's worth a try.
how long can you drive without the oil cover cap, before the parts arrive and is it safe for the vehicle?
mrkooze you should not drive without the oil cap
I drove about 30km because i forgot and you dont want that smell 😂 in my ford focus.. Oil all over the engine..
@@bazosmarek7981 lol
I've got 2009 X5. P0012 code. Rough idle, low power. Replaced camshaft sensor. Still broken. Help!
The first problem is you bought an X5
@@joemama38 I realize that. Lol. Big mistake
Great vid; thanks!
Good lord that vacuum pulls! Well, no more oil consumption issue for you!
@BIMMER ZEIT this is normal
I have the same problem with my 2002 325i, I did replace the ccv , and I still have the same problem, I replaced the Intake boot, and still doing the same, please if same one knows wats the problem is, shot me same info,
Carlos, you need to check the dipstick tube. There is an updated tube which is very expensive. However, you can remove your original tube and clean it with a solvent and wire coat hanger, they typically get clogged with hard oil deposits.
I know this comment is old, but I have the same problem. Could you explain what caused it and how you fixed it?
If its hard to remove the cap that means u have a gd ccv ?
If it's hard to remove the cap (lots of suction) that means you have a BAD CCV!
My car m52 328 1997 lost around 2 liters of oil @3000 miles the car has 104000 miles; ive tested the ccv no suction when opening the oil cap but only idle change and also testing if the car is burning oil ( no symptoms of smoke ) could it be a bad ccv ?
i noticed my oil dip stick is sucking air is that from a bad ccv? or normal
So what if it's easy to remove? I think I may have a compression issue. My e46 320i in misfiring
Hey Conor, the cap is easy to remove when functioning fine. There are so many variables that can go wrong on these engines that it's impossible to diagnose over the internet... wishing you luck, try to eliminate one variable at a time!
My car is smoking white, if i delete CCV valve, what do i expect? More smoke or no smoke ? I hope it's not piston rings or blown head gasket. It's an M52TUB28
Supra just replace the CCV kit, it’s designed by BMW engineers as part of the M54 design. Smoking could be a number of different things, hard to say
@@BIMMERZEITT Nice and clean engine bay btw, i also like to keep mine clean.
Supra how did you fix it I have the same problem
@@tyressy01 Hey, i've not fixed it yet. My car is leaking oil i think its my gasket that is leaking slightly. Check your car oil leak, might also be piston rings or clogged ccv. Good luck.
So if the valve is functioning correctly should there be any vacuum at all? I had errors for my pre cat lambda sensors and replaced both today with new Bosh but car is still underpowered and theres a minimal suction when removing oil filler cap
I just changed my ccv, all vac hoses, and intake boots. Now I have a high idle and can't rev past 3,000 and drive over 15mph.. any ideas?
Did you have a high idle condition before performing the work? If the answer is no, then I would go back and check over your work. Sometimes it is something very simple and obvious that you overlook after a long afternoon of wrenching. Happens to all of us. Just check it tomorrow when you are fresh. Check the connections, sensors plugged in, hose clamps tight, etc. Report back here with what you find...
BIMMER ZEIT hey man so to answer you question, no it did not have a high idle previously but it did have and low idle. When I turn the car on it idle around 1300 rpms for about 2 mins the come back down to normal and I drive away. If I didn't drive away right after the idle came to normal it would want to stall but doesn't. Did my homework checked around and found : The tube that runs from the bottom of the ccv to the oil dipstick was completely broke in half. And there was also another tube that was cracked badly. I think it was the one that ran thru the manifold. I also changed the upper and lower boots I forgot to mention that. I was really thinking after I replaced and cleaned everything my cars was going to run super nice. It did not! I was really was hoping it was something stupid that I've done. I took it apart and put it back together 5 times now and every time I still get the same results. I do have a video of my issue I'm trying to post later today. I built a smoke tester and I'm going to try that today see what I get. I will be sure to let you know how it all goes, thanks.
So I did the smoke test and no leaks. Now I'm really stumped
I Got A Bimmer! have you fixed it?
Is the idle control valve plugged in? You must have a service engine soon light on and some codes stored?
I bought a 316 ti last year, 86k
it burns oil as soon as it warms up (blue smoke) if i drive for 10 miles then i start to see the smoke.
Engine sounds perfect when driving,
When I open the oil cap feels something wrong in the system.. car sounds louder and splashes a bit of oil .. everyone said its worn pistons.. but its hard to believe and i am thinking ccv !
Ahmed make sure your oil in 10w-40
@@ts-vu3dd I agree, use thicker oil, sounds like oil rings or valve seals. pistons won't wear, the rings do.
Another way to do this is to put a glove over the end of the intake boot and blow into the brake booster hose with the oil cap both on and off.
If the CCV is working, air will come out with the cap off, but not with the cap on; if air does not come out with the cap off, the CCV is blocked.
may i ask which intake boot?
@@hokman1 Remove the MAF and put the glove over the end of the rubber pipe.
can u please explain which one is the brake booster hose, thanks
It’s connected to the the small hose that connects at the f connector on the upper intake boot
@@diljoe9678
Please make a video aahah
Can it be bad with out giving u codes ??
John Lira definitely! Sometimes the codes can take 4-500 miles of driving to appear
Can this course white smoke ?
Cause *
Will a bad CCV act the same if your car suffers from a leaking gasket?
Well, to a certain extent. Leaking VC gasket, cracked VC, clogged dipstick tube on 01 and earlier e39, can all cause lean codes and car to ingest unmetered air.
@@BIMMERZEITT thank you
Got pcv valve issue twice, burning half the car oil in seconds. In winter, this system is a nightmare, and even a brand new one can fail. Catch can will freeze, so not good either. I end up driving without the oil cap. Idle is bad, but I haven't had a issue with the pcv in years.
Francis Vidal you’re right this system is very frustrating! New ones can fail or be bad out of the box. Not an easy job either. The things we deal with to have our bmw’s!!
@@BIMMERZEITT Great video, very clear and informative. That's too much vacuum I guess, but how much vacuum should there be when the CCV is doing it's job correctly ? When I remove my cap there is a very small amout of suction but not that much in your video that I hear hissing.
Arnold Rimmer that’s perfect. It should be a very slight amount of suction. As in, you can lift up the oil cap with 2 fingers easily. The intense suction here indicates a ccv failure or clogged dipstick tube.
@@BIMMERZEITT I see, thanks for confirmation. I've never removed the oil cap on a running engine, but after seeing your video I just had to do it :)
Arnold Rimmer some old school cars you can’t remove it while running or it can spray oil everywhere. The design of this engine allows you to do it though.
Y ese test que significa ??? Está bien la ccv??
Shava EC este ccv está malo
Tried this on my e46 325i after watching this video and it started dumping white smoke out the exhaust after removing the cap. I thought the head gasket blew but the pressure change caused the failed CCV valve to get stuck open (or closed) and it slurped all the oil/condensation into the combustion chamber
J P what was the problem in the end? Did you get it resolved ?