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2014 LT program car, Pull Me Over Red, 1.4T Auto
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Okay how do I know which kit to get? The red nipple is gone, it makes a hissing noise under boost and it has a P2261 code for turbo waste gate mechanical malfunction..
It depends on what your end goal is. The newest kit is the cheapest and fastest to install. The older kits have a better check valve and others are made to connect to a throttle body spacer.
 

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2015 cruze RS LTZ
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It depends on what your end goal is. The newest kit is the cheapest and fastest to install. The older kits have a better check valve and others are made to connect to a throttle body spacer.
I ordered the 3.4 + kit, hoping to eliminate the issues, not trying to make the car fast or anything, just trying to maintain factory stuff.
 

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So I've been working on my sister's 2012 Cruze doing some long overdue maintenance. Struts, shocks, fluids, plugs and everything in between. Oil consumption, leaks and poor fuel economy (10 mpg) is what I'm seeing.
I stumbled upon this thread last week while researching some things for her car.
Tonight I ordered a 3.4 kit, thanks @XtremeRevolution !
I did the three checks, valve cover diaphragm checked okay, intake check valve missing and pcv pipe to turbo check valve good. My concern is the valve cover. The idle didn't change when I covered the hole. The cap to the diaphragm is concaved inward, this normal?
My concern is, since this car appears to have had less than stellar maintenance and no history, should I go ahead and replace the valve cover or is the test I did good enough to verify all is well with the cover?
 

· The Nuclear Option
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5,883 Posts
So I've been working on my sister's 2012 Cruze doing some long overdue maintenance. Struts, shocks, fluids, plugs and everything in between. Oil consumption, leaks and poor fuel economy (10 mpg) is what I'm seeing.
I stumbled upon this thread last week while researching some things for her car.
Tonight I ordered a 3.4 kit, thanks XtremeRevolution!
I did the three checks, valve cover diaphragm checked okay, intake check valve missing and pcv pipe to turbo check valve good. My concern is the valve cover. The idle didn't change when I covered the hole. The cap to the diaphragm is concaved inward, this normal?
My concern is, since this car appears to have had less than stellar maintenance and no history, should I go ahead and replace the valve cover or is the test I did good enough to verify all is well with the cover?
There's no reason to replace a good valve cover. If it doesn't leak and the crankcase holds the correct amount of vacuum, it's a good valve cover.
 

· Administrator
2014 LT program car, Pull Me Over Red, 1.4T Auto
Joined
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14,174 Posts
So I've been working on my sister's 2012 Cruze doing some long overdue maintenance. Struts, shocks, fluids, plugs and everything in between. Oil consumption, leaks and poor fuel economy (10 mpg) is what I'm seeing.
I stumbled upon this thread last week while researching some things for her car.
Tonight I ordered a 3.4 kit, thanks XtremeRevolution!
I did the three checks, valve cover diaphragm checked okay, intake check valve missing and pcv pipe to turbo check valve good. My concern is the valve cover. The idle didn't change when I covered the hole. The cap to the diaphragm is concaved inward, this normal?
My concern is, since this car appears to have had less than stellar maintenance and no history, should I go ahead and replace the valve cover or is the test I did good enough to verify all is well with the cover?
Welcome Aboard!(y)

Pop the cosmetic cover and place your finger over the small rectangular opening on the round PCV vacuum regulator. If there is no air blowing out, it is fine.



Picture taken from here:
 

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It's not a Cruze, it's his relative from europe, opel astra j 1.4 turbo 140 ponies
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45 Posts
PCV system worked perfecly up to the last second of it. Unfortunately there is no more car thanks to a moron who crashed into me. For what there is to tell i can only say that this engine is very easy to maintain and DIY repairs at home. Also low fuel consumption, it can run on vapours and still have enough grunt out of his small capacity. Maybe one of the last good engines in the past 10 years or so before direct injection unreliabilty across all the car makers. Unfortunately this is my last chapter in here as i don't plan to buy another car like this because honestly they are way too expensive nowadays.

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Just glad you're ok, horaa.
 
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Has anybody tried recently removing the valve cover cap? I don't necessarily believe a random youtube comment, but it also seems to be sold on ebay as well. I got my valve fix kit, so I might experiment and try to save ~$45 before I buy a new valve cover to fix my ripped vacuum regulator diaphragm. Besides this one post, everything else I read suggests it can't be removed.
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It's not a Cruze, it's his relative from europe, opel astra j 1.4 turbo 140 ponies
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I did removed it. If it’s only 45$ to buy a new one don’t bother. You will need to glue down the cap wich taxes time.
 

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so for those of you who have ordered a intake manifold and valve cover from ZZP, how long did it take till it was at your door? i have an appointment to bring my car in next tuesday and i ordered them last night... but then in the confirmation email it says they are custom made, so it might take a bit..
 

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Has anybody tried recently removing the valve cover cap? I don't necessarily believe a random youtube comment, but it also seems to be sold on ebay as well. I got my valve fix kit, so I might experiment and try to save ~$45 before I buy a new valve cover to fix my ripped vacuum regulator diaphragm. Besides this one post, everything else I read suggests it can't be removed. View attachment 296518 View attachment 296519
I recently removed the cap on a spare valve cover I found. It took some effort and the cap was pretty deformed after I got it off. I used a heat gun and was not interested in saving the integrity of the cap as I just wanted to look at the diaphragm condition.
 

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Discussion Starter · #512 ·
I recently removed the cap on a spare valve cover I found. It took some effort and the cap was pretty deformed after I got it off. I used a heat gun and was not interested in saving the integrity of the cap as I just wanted to look at the diaphragm condition.
That’s why the repair kits come with a new cap. I have a few people that have been testing these since about early December. So far so good.


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I received the fix-kit v3 but the black tab fell off the screwdriver and now I have to remove the intake manifold to get the tab. Does anyone have a suggestion on an alternative to the black tab and epoxy to put in the intake manifold? I recall seeing another video where a short sheet metal screw was used to plug the check valve hole. Please any advice is greatly appreciated.
 

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Discussion Starter · #514 ·
I received the fix-kit v3 but the black tab fell off the screwdriver and now I have to remove the intake manifold to get the tab. Does anyone have a suggestion on an alternative to the black tab and epoxy to put in the intake manifold? I recall seeing another video where a short sheet metal screw was used to plug the check valve hole. Please any advice is greatly appreciated.
Don’t need to remove the manifold for that. Did you also send me an email? I’ll send you a replacement plug. Won’t hurt anything if the plug sits there.

You could use a sheet metal screw and washer if you want to get the job done today and don’t mind pulling the manifold. #10 x 3/4” self drilling sheet metal screw and #10 x 7/16” nylon washer.


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Oh wow. If I can avoid pulling the intake, that would be ideal. Help me understand though. If the plug sits in the manifold, it won't hurt anything? Yes, I did send you a separate email and your help is greatly appreciated.
 

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my cruze is having issues such as rough idle and when I go to accelerate I have hesitation. I can no longer see the check valve. So do I need to replace the valve cover and put on the kit? Which kit do you recommend? I just want my car to run smooth and be as dependable as possible.
 

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Discussion Starter · #517 ·
my cruze is having issues such as rough idle and when I go to accelerate I have hesitation. I can no longer see the check valve. So do I need to replace the valve cover and put on the kit? Which kit do you recommend? I just want my car to run smooth and be as dependable as possible.
Yes you need to do both. New OEM valve cover and the pcv fix kit.


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Yes you need to do both. New OEM valve cover and the pcv fix kit.


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Would it be a good idea to confirm that the valve diaphragm on the valve cover is torn by listening for a whistling sound? Also, see if an ODB reader can be borrowed to check for the code P0171 (I believe that's one of the codes). If the code is there and a whistling sound from the valve cover, then good bet the valve cover needs to be replaced. Or maybe just do it any way but be becareful when installing the valve cover to not strip the head threads...been there done that, it sucks.
 

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Discussion Starter · #519 ·
Would it be a good idea to confirm that the valve diaphragm on the valve cover is torn by listening for a whistling sound? Also, see if an ODB reader can be borrowed to check for the code P0171 (I believe that's one of the codes). If the code is there and a whistling sound from the valve cover, then good bet the valve cover needs to be replaced. Or maybe just do it any way but be becareful when installing the valve cover to not strip the head threads...been there done that, it sucks.
Any air moving in or out of the valve cover diaphragm would indicate a failure.


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It's not a Cruze, it's his relative from europe, opel astra j 1.4 turbo 140 ponies
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Hey guys, long time no see, it's been a few months. Didn't manage to sell the car because i didn't want the auto sharks to make a lot of money on my behalf so i kept the price up that or i was going to take it apart and sell bits of it.. I got a few calls, one of them was for sure the right buyer but as usual fate happens on both sides, one happy note one very sad note. My mum's 2005 astra (previous model to cruze) automatic (very rare in romania) with 1.8 liter engine (the one from the good old days when the engine cover was made of aluminium) and LPG all of sudden decided to lock itself. Eventually started but was running very rough, in 10 seconds all of the coolant went into the oil pan. Removed the spark plug, it barely cranked(most certainly the crankshaft seals went kaput), so she had 2 choices: repair my crashed car, or replace the engine on her + miscelanious repairs(bushings, brakes, struts etc). She made the right choice, she will have my old astra for free but she will have to fix it, i mean i will take care of parts, body workshop but she will have to pay. Now i'm driving a car that i love more than the cruze/astra. Fate really likes to play jokes on you, i had a buyer that wanted to buy the car but didn't call afterwards to scheudle the selling, so he was late by about 1 day when i got the call to sign the papers.
PS: i'm driving a opel signum with a saab engine + LPG. What a joyfull engine, and the turbo spools are yum yum. With a bit more luck i am going to tune it a bit, nothing ridiculous, about 240 horses.
How much i am in the hole so far? Over 6000$ :LOL:
 
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