How to replace CCV CVV PCV valve replacement BMW N52 Rough Idling
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- เผยแพร่เมื่อ 12 ก.ย. 2024
- In this video, we will find out about one of many problems that can do rough idle as well as a rough start.
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1/4 Impact Socket Set - geni.us/1-4Imp... Editor-in-chief: Vitalii Makhnovets
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Just like FLY LYF commented, I use my heat gun on low and took it SLOW and it came right off.
First I drilled about a dime size whole on top as close to the edge as possible without damaging the housing, but far enough away from the center to not damage the spring.
I then used a Chanel lock pliers to apply upwards pressure as I applied the heat and was able to get it off. I did damage 1 of the clips. So to avoid damaging the other two, I applied heat to them and bent them away from from danger.
After I removed the PVC I applied heat again to the clips and SLOWLY bent them back to original position.
So I definitely recommend using a heat gun even if you have to make a run to harbor freight, it well worth it, and it something useful in the toolbox anyways.
That’s a really nice guide DIY!)
You should start making the tutorials!
@@Makhnovets Couldn't do it without your vid, it was really, really helpful. Save me a bunch of money. I was ready to fork up the $200 for the valve cover and another $200 for the labor, so THANK YOU!
Thank you for a good word 🙏🏻!
thank you so much for this tip! i heated it up and pried up gently and it came off in one piece! also shoutout to OP for making this vid.
I was able to replace mine on E92.
Don’t be afraid guys, I used a chisel and needle nose vise grips to start pulling out the pieces in the middle. Once I was done in the middle I chiseled the sides off and they “peeled” off pretty quick. There was one spot in the back that was tough but I was able to shave it off with a razor blade. New one slipped right in, I lined it up with where the previous clips were.
Turned the car on and no more whistling engine. Now off to my next code crankshaft sensor😑.
Did exactly the same way)🤓
My man 👍🏻!
Did you have to put RTV silicone?
Was dreading the PCV removal. I can say using a heat gun made all the difference. It softened up the plastic “welds” and I used a small chisel and hammer and took little pieces. Took about 10 mins.
Heat. Gun.
Yes there are definitely some improvements to the technique but overall it’s working but thanks for the effort and comment!
The real diy explanation !!!! Perfect!
Thanks!!!
I am going to replace the valve cover with the magnesium version and run a catch-can + pcv off the valve cover. Never worry about this again. What a stupid design.
Anytime you bring a hammer to your plastic valve cover you know you lost the fight. Can you help me with my engine next week? Lol
Filming the video at night, in the dark, with shitty lighting is horrible but putting up with your nasty accent killed it!!!😂
Those comments certainly helped me improve the accent and language in general.
Thank you)
bmw just put out a recall for this in march of 2022. i'm bringing my 2009 328i in tomorrow to get it fixed free of charge. check it out to save yourself the headache.. they even give you a nice loaner car in the meantime :) i'm going to ask if they have some type of reimbursement policy for all the damn fuel we burned through due to this issue, not to mention the oil leaks and engine damage 😠
That’s the pcv heater, different part
Yeah, tha't the huge flaw in desighn, but if they do it now as recall, that will be nice, since they would have to replace the entire VCG, so that's pretty good deal! Unless the recall for the PCV heater.
@@Makhnovets UPDATE: It was actually the PCV heater. Although after the recall, my engine has more power and doesn’t burn though as much gas. Check engine light still on 🥲
thanks! Just did it on my 328i 2007, work like a charm now
Sounds good to me 👍🏻👍🏻👍🏻
Thanks for the update!
N51 ?
Did you have a rough idle too before doing this ? And when driving it feels like it’s losing so much power as if the car is getting bogged down , gear 1 feels super sluggish
The new PCV does not come with the spring, did you reuse the spring?
@@glenglene8473 yes, reused the old spring. Spring are usually good as long as it is not rusted and it has not been stretch
Change the entire Valve Cover of a 2008 BMW 328i. Includes the PCV.
Since I turned it on it did not sound good and a lot of blue smoke from the exhaust. You need to tune the Valvetronic.
But it kept making oil. Change hoses, sensors. All the same blue smoke. I couldn't speed up much.
Thank God I realized that when we installed the PCV we did not include the Spring.
Since there is no spring, the PCV stays open and pours oil as much as it wants, especially when you accelerate and when the engine is hot.
The key Spring because the BMW 328i 2008 has the oil separator in the Valve Cover and part of the work is done by the PCV. If it doesn't work, all the oil goes to the intake manifold and that's where all the problem comes from because the spark plugs fill with oil.
So don't forget the spring.
Don’t you gotta wait 24 hours for the selicone to dry up? gotta do the job myself and don’t wanna put the piece in and start it right away so would like to know
Yes, I let the car seat for a day without starting! You right! The silicone has to dry before starting the car!
@@Makhnovets Thank you!
I have to do the same job, does it really work or should I change the entire valve cover? Don't like to do that after changing the gasket last summer, was a really hard job for me... TNX for your Video
Do this before any further action. th-cam.com/video/M3YbtvNKMCA/w-d-xo.html
The technic is working! but you need to be precise when you doing the job, if you'll make mistake you might even have more troubles down the road... so check the video, and either you did replaced or not, make the vacuum test, if there leak, you know what to do.
it does not work. I talked to few people including myself, yes, the noise it reduced, but not gone completely.
In that case valve cover got to be replaced and the vent valve need to be checked or replaced as well.
Quick question please bro. Where does the other end of the small vacuum hose from ccv valve go to? I bought the car and previous owner had it blocked off
It goes to the back of the valve cover.
Go to realoem.com and look for the diagram. It’s pretty easy. Otherwise shoot me a message an car year and model
а если снять крышку и прогреть его феном, быть может он отсоединится лучше чем раздрабливать его?
Сама идея в том что снимать то крышку не охота, но в целом конечно лучше, та и замена всех прокладок будет кстати!
@@Makhnovets та я вот тоже думаю... пару месяцев назад поменял прокладки крышки, и теперь опять снимать. без снятия сильно напряжно будет? этот пластик вообще при нагреве нормально срезается?
ПС, давно в штатах? откуда из Украины переехал?
Grasias fue de gran ayuda asta se limpió el tablero de varias luces que prendían
does the valve have a hose that connect to it? if so where does the hose go to?
I think only European models have that option, it’s got something to do with emissions, not full familiar with that system, as for the US, we don’t have the line that is connected to it, usually it’s lose plug that covers the hole but it not blocking it, so the membrane can move as it desired from manufacturer.
@Makhnovets Thank you! i was trying to figure it out
I just did the pcv replacement but i forgot to put the spring on, by the time i realized it was too late to take it back out, does the spring really matter?
The system will not work the right way, it’s controlled by the internal pressure, so the simple answer you need that spring!
Hey I replaced mines with a new one but forgot to put the spring the car runs fine so far.. are there any danger of not having it in?
yes, the valve will not work properly, it will stay open or close all the time, possible problems, burning oil, blue exhaust smoke, exes amount of carbon deposit inside intake and cylinders, on high rpm or highway driving will be most notable, this system separate return gases from the oil, if not working correctly, it will also suck oil in the intake...
Nothing gonna happen overnight, but make sure to install the spring at some point!
@@Makhnovets how long can it run without it?
@@Makhnovets how does the spring close and open the valves, I thought it was there for structure?
@@iooraster2116 I think it’s keeping the valve close, and when internal engine pressure increases it gets open, I know just basic, you might be right in terms of its just for structural support, but I can’t confirm that.
Simply it’s same PCV valve, but more complicated since it’s BMW.
As for how long you can drive it, less better.
My for example had a whole, it was like that since I purchased the car, and before I replaced it I put 5k mi on it, and who knows how many miles did previous owners , so I guess you can drive the car as is, but what problem it can cause or how fast, i have no idea.
Good luck.
hi
i have also n52 engine but i have a little cap on my pcv from factory as this cap
has a bmw part number , should i put agin this cap on the new pcv ?
i don’t know why there is a cap here as normally pcv need to be free to work fine but if it is a bmw part it must have a genuine reason to be here
thks
The cap covering the pipe, which is there for testing the actual pcv valve. Use the vacuum took to check it for membrane air leak.
Unfortunately for me i replace the CCV before i find out about (😅
Where does that vacuum line hook up to? I bought a used 128i and it’s not attached to anything
It doesn’t have to be, the nozzle has to be open as inside rubber membrane that has to move and it’s sealed inside of the engine, and getting in action by vacuuming force inside the engine. If you gonna close it, the PCV OR CCV will not work correctly.
Some of the European models have separate pump connected to it as they have more emission requirements.
@@Makhnovets
Could this cause a misfire? I have a misfire on mine and it’s burning oil and I think it could be this.
It's possible, but it's really low chance. Did you check the video how to test the ccv? Test it first, the video in description or at the end of the particular video. Let me know if you need help!
It could also be your ignition coils
Hey my friend I like you videos I have question I can I reset the electronic parking brake with ncs expert inpa bmw coding tool or I need ista
Inpa have just simple interface, that allows you to do some resets, but they more like clearing the fault memory, ISTA is much more powerful, so the answer is most likely no.
@@Makhnovets ok thanks you know how to install ista p and ista d because I have inpa ncs expert bmw coding tool
@@armandohilario will make a guide in couple days!
@@Makhnovets can you install for me on my laptop I pay you for that
@@Makhnovets I have question my key fob stop working what I can check my car is BMW X5 2008 3.0si e70
Does a hose connect to it ?
In my case no, but there some people say that they have house connected to it, I assume that they have some kind of extra equipment, bit as many engines i seen, non of them has house connected to it. Also there supposed to be opening.
the PCV system fails, Does it contaminate engine oil? Does it cause a stuttering problem?
Depends how bad the leak is.
@@Makhnovets 4 months ago, at the first start-up, there was a rattle sound, then the sound stopped. After about 3 thousand km, I got the code p0012 and p0171 in my car, the oil filter got muddy. Could it be from the pcv valve?
Do you do any additive to the oil?
It shouldn't be any affect to the oil except it getting dark much quicker, if the pcv membrane have leak, it usually produce kind of squeaking breeding noise... Also you can get more of the exhaust fumes, or more smoke.
Chech the spark plugs, if they have some carbon deposit or black crunch on them.
Does your car consume oil?
After the pcv rattle, the oil cooler started to leak at the first start, I guess, could the engine pressure have increased due to the pcv? I changed the oil, it got dirty without 500 km and in the low 1000.1500 rpm range, the 3rd and 4th cylinder misfires occur in the obd, but I do not get an error code at the upper revs. There is a significant reduction in vehicle acceleration. The error codes I'm getting now are p0012 p0171 p0012 p0304 p0304 I think the pcv may be faulty for sure because the rattling sound came for about 2 months and then it stopped. but p0171 with misfire issues started after that
You really gotta replace the whole cover to do it right.
Unfortunately yes, there output whole on the ccv, you can connect the vacuum tool to it, and check if it has some air liak, i will post the video diy in two days.
HI on the end of the top right of the valve is a stem or black nipple..is htere a vacuum hose attached to it..mine doesnt have one please respond..N52 engine 328i 2008
hey! that's the good question, I'm working on the video right now, but that little pipe it's a test hole for vacuum, you connect your tool to that hole and test for the vacuum leaks, in that case you will know for sure if pcv valve is cracked or not working correctly, that was my mistake of not knowing in the video that the test hole((( sorry and happy new year!!!
@@Makhnovets some guys on here said they have a vacuum hose connected to that valve at that little black tip..i dont hvae on eon my car..its a 328i..and another guy with a 328i has a hose connected there..he said maybe mine fell off replacing the starter?
@@gail6904 from the factory you have plug there, but it's can be in an open position, newer seen one with the house connected there. you can check diagrams on realOEM.com
@@Makhnovets My 2011 328 has a vacuum hose connected to it. The other end of the hose goes to the intake manifold.
@@odubb45 I don’t know if mines had one because i wasn’t watching the mechanic when he got the completely take the valve cover off but I have the 2011 bmw 328i as well. Mines doesn’t have that vacuum line
The mechanic told me that for my BMW 328i, the valve and PCV are attached? So if they change the valve cover it also means that they replaced the PCV? I know nothing about cars :( are they speaking truth to me?
Yes, the mechanic is correct, the pcv is welded to the valve cover. I made this video as didn’t want to do the valve cover as it’s expensive, but most of the mechanics will not replace the pcv by itself for several reasons. But yea, you’re mechanic telling you truth.
@@Makhnovets Great, thanks!
Would this cause the car to hesitate when accelerate
I wouldn't say so, but if there a bit leak, you will have lots of smoke coming from the exhaust, but the most it can get its rpm haggling
@@Makhnovets replace it my car still feels like it loses power sometimes when I step on the gas
@@jorarr5174 any codes? Sparkplugs/coils/injectors? Misfires? Vanos Solenoids? Any of the above did you clean or replace? As well as how many miles on the car?
@@Makhnovets all new 110k
@@Makhnovets when I drive and come to a stop and them press the gas it wont go it takes forever to accelerate
What was the bracket for? Also was it 1 or 2 e30?
It's for the engine's plastic cover.
hi bro my car makes whining noise if i change this will it repair
It's a high chance, chey the other video on how to test it, it's in the description, so you will know for sure, or if you don't have vacuum pump, try to close the testing pin with your finger while car is working, and see if there gonna be any changes to the sound it makes.
@@Makhnovets thank you bro
@@Makhnovets hey bro can i ask you something ?
@@orlandokellezi9425 how can i help you sir?
@@Makhnovets my x5 e70 3.0si start and shut dow if you prees the gas it runs
clean your vanos solenoid and vanos filter
Hey. Thanks for the suggestion, i did that after this video, the check valve’s and vanos solenoids.
Nice job bro 👍
Thanks bro!)
Why dealer dosent sale this part .
There are only Chinese options only.
From the factory it comes with valve cover as unibody, that's the part of the VC. So that's why you have to do it old fashioned way))
What P/N do you use for the repair kit and where do you get it!
Hi, Cheers for making the video. I can't see the link for the valve.
My 2008 325i (Black Engine Cover) is fluctuating & revs up when cold when I apply the brake. It also cuts out when slowing down for intersections etc. I have replaced the MAF & it hasn't made any difference. The engine will run much better once warm with the MAF unplugged. I've had the car a few months & every so often I can hear the Lifters so I add 1/2 -- 1 ltr or oil. I have never seen it burning it (blowing smoke) and it doesn't have any major leaks & with not having an actual Dip Stick (Dumb Idea!) I'm relying on the oil level sensor being correct. Is there also a Oil Separator on the Intake Manifold? I've tried looking with a light & can't see one.
Thanks.
Hey.
No, there no more oil separator on intake, but you could have a-lot pf carnbon deposit on valve’s, that will make your car go lean.
I have a 2008 328i n52k that I got recently and I'm starting to fix the issues it has. I had the same idle fluctuations on mine when pressing the brake pedal when I first started the car then it would go away most of the way after it warmed up. And also even not pressing the brake pedal it did a little fluctuation right after I start it. I have the bimmer Geeks pro tool and I reset the engine adaptation and learn parameters and also the vvt motor minimum and max calibration. The motor was all over the place after I did it lol but it went back to normal afterwards. When I start it now it doesn't fluctuate anymore no matter how hard I press the brake but the car still has a stumbling and fluctuations that come and go while it idles from some other problem. I found my problem and its a typical problem on n52s that the connector plug and pins for the MAF sensor does not make good contact and it causes the engine to run like crap and not smooth with power. I had a code for the MAF sensor. For BMW the MAF sensor is called HFM sensor just so you know. I put a new german howe sensor in and also the conector on the old one was cracked. New sensor didn't do anything. With the pro tool I noticed that everything with the sensor like the air inlet temp etc was being read by the dme and working but when I looked at the voltage for the sensor it read 0. No matter how much I rev it it was 0 volts. At idle the sensor has to send a signal to the dme or computer which it is not. I removed the plug to the sensor and noticed one of the pins must be pushed in but I need to get to it tomorrow and open the plug up and fix it. I put new plugs and all ignition coils and the motor was still acting up. They sell the pigtail fix for the conector but first I'm going to open it up to investigate and see if I don't have to spend the money but I'm sure my problem is there. I read on E90 post that many with n52 we're having the same codes as me and issue. Unless you have a good scanner like me it will drive you crazy. I have the tool and still can be intimidating to fix simple things on these cars. Anyway hope this is helpful. Also I forgot, concerning your noisy lifters you want to use a good oil 5w30. I use pennzoil ultra platinum full syn. To get rid of the loud ticking what you do is start the engine then let it fully warm up for ten mins or so the oil flows well. Then just rev the motor to 3,000 Rpm and hold it steady there for a good 5 minutes. Then you should see how the noise go away. In my case it did wonders and has never came back. To answer your other question the 2006 n52n has the silver engine cover and the magnesium valve cover and those have the CCV under the intake manifold. The n52k like yours and mine are more revised version that have the black plastic valve cover with the CCV valve on the valve cover only. 2006 is n52n. 2008 on is n52k and there alot of other differences👍
@@L-Noble.YT_Hi.Res-Soundminds Hi, thanks for your reply. I have a THINKCAR, THINKSCAN MAX which is a good multi vehicle scan tool., which I used to find the same no voltage fault at the MAF sensor. My connection fault was up in the main harness junction box. A dirty/loose connection. After fixing it the car still wasn't running right, idling rough and cutting out when slowing down.
The Vanos check valves in the right front of the engine block were the issue. They were absolutely filthy and clogged. Once I cleaned them the car has been running sweet!
@@Lyndog01 Your loose connection was in the white box where the Dme is or under the glove box junction box electronics ? I know the fuse for the MAF is in where the Dme is at. Glad you got the problem. Yeah I've heard about that think car scanner Nice.
@@L-Noble.YT_Hi.Res-Soundminds Yes the loose connection was in the white box where the DME is. This car does not have a fuse for the MAF. ( I've read online that not all of them do) . Hope you get your sorted!
Except from the hissing noise.. was the car smoking
No, but my wasn't damage badly, so if it's in really bad condition, that can be the case. I will post the video in couple days how to test the cvv without removing!
Just replace the whole thing and do a full tuneup and be good for another 125k miles.
I usually keep the car for six month to year, in that case I try to repair most of the problems on the budget, but you are 100% Right! If you want worry less, replace the cover in full, and you be golden!
Sorry if it worked for you to change the pcv valve, I have the same problem the motor has a kind of hiss
Replacing The PCV did not treat the problem, it did help a little but did not cure that. there are many things that can be wrong with floating rpm like "Injectors, carbon deposit on intake valves, exhaust system, or most likely fuel system, and more". till now I have that issue, and I also selling the car, I'm not really up for spending more money in to at. But in my case, there was the rough start issue and it's happening in the morning, so not a big deal.
@@Makhnovets ok thank you very much for the advice I will take it into account
If i broke the plastic clems?
I broke my as well, all though it's better with them lol. make sure you leave the silicone to cure for good amount of time, a day or so. in that case you shoud be good.
@@Makhnovets i dont put anything. Just the new cover. Is bad?
I need the spring for mine I lost it while waiting for new part
Go to junk yard, probably gonna be my best bet.
www.fcpeuro.com/products/bmw-crankcase-vent-valve-oem-11127547058?ads_cmpid=1586640911&ads_adid=59893888775&ads_matchtype=&ads_network=g&ads_creative=298302526031&ads_targetid=aud-457805753884:pla-59204649140&ttv=2&gclid=CjwKCAiAuoqABhAsEiwAdSkVVHNDszxtzLvxiB5XOJe9ELJn-pxedeDjYBYwCI8yBgjwnr8GIyx1dhoCVkUQAvD_BwE
I did this and it lasted one year, then tried it again and it only lasted a week, bought another one and only lasted 5 days. I'm at a loss I don't know what's wrong.?? Anyone have this happen. I will try new vanos next.
Just changed the intire valve cover yesterday ,so far so good.
@@chucke3305 I'm going to replace my valve cover this weekend, if I get the part. I hope it solves my problem. It's the same, the loud whistling noise.
Update: everything seems ok except it's running rough. I thinking it's the valve tronic adjustment, I remember hearing it might need to be adjusted by computer . Has anyone had this problem?
@@chucke3305 Mine is running rough too. No codes. See if you have that strong vacuum on the valve cover, by removing the cap while it's running. That's the symptoms I have, strong vacuum in the cover. I can barely pull the fill cap off, and it runs really rough, wont hardly idle, and the idle changes when the cap is removed.
@@odubb45 I'll check that . Thanks
what a cliffhanger...
more is coming! didn't fix the issue completely, but also fix something!
@@Makhnovets have you replace the ignition coils, spark plugs, cleaned the check valves and vanos solenoids? Those 4 things got my N52 idling normal again :-)
@@CorbinWilliams s.plugs, coils, check valve, the big difference made ccv and cleaning the VANOS.
I have owned F10 5 series 2011 (n52) for the last 5 years and its been good to me.
Issue and Symptoms:
Every time I start my car it will start normally and in 5 sec after that I would hear a short hassling whistle and it would start to vibrate for 6 to 10 sec while the rpm needle would remain below 1000 and then it would pick up the RPM and stop vibrating (not completely you can feel light vibration). And driving if i step on the gas it somtimes delays in reacting and if I do stop at the light you can still feel is vibrating. I'm also getting some smell from the exhaust pipe but no smoke but its a strong scent.
regardless of if the car is cold or hot if I start the car is would act in a similar manner.
I believe it could be a vacuums issue (not sure though)
Kindly assist me please
I would try to determine whether ticking noise comming from CCV, which is you can put your hand on the top of CCV and try to feel any type of feedback from it. As far for the CVV it's oil separator, if it's broken the car can eat some oil, as well as have little more exaust gasses, or stinky smell. In my case i was looking for problem, and if i would know for sure that's the CVV, i would replace the whole engine cover. As well I'm planning to sell the car soon, so it's not ideal for me to invest some money in to, that's why i go with cheap repair, as well as Video content...
You can also check the car for vacuum leaks, i gonna make video about the tool and how to check it as well, i think you also can check the CVV for vacuum leaks! I'll fix the video on upcoming Tuesday! So be ready for it! Thanks for idea by the way!)😁
Classic garbage BMW design. Make everything impossible :( wth are the plastic tabs for if you can't pull them back and remove the part? If it's welded why do you need tabs ?
I think it's just part of assembling process. But I fully agree that is total mess...
I wish you had better lighting… 🤦🏽♀️
I'll keep that in mind for future reference!
🇺🇦💪❤
Слава Україні!
Why do you cut your sentences on half ???
Simply cutting out the (aaaaaaaaaaaaaa) or parasites words if you know what i'm talking about))) I'm not from us, so sometimes it's hard for me to get the sentence right. you know.
@@Makhnovets just say BLLLYYYAAATTT.....
Could this issue cause occasional white smoke under acceleration?
It’s very possible, the previous models from 2000’s had issues with white smoke because of pcv. if it’s completely destroyed, but I would test it first, the video in description on how to test it, also does it produce any noise? You might be looking on steam valves, how often do you have white smoke? What engine do you have, because the turbo can do that as well.
@@Makhnovets It's inconsistent. Sometimes at startup (car is already warmed up so not the typical cold weather start) and every once in a while when accelerating/taking off. Sometimes at idle. It is super inconsistent. It is an n52. Car is a 2010 328i (x-drive)