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This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

 
 
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Old 06-28-2012, 01:42 AM   #1
alhayek
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Join Date: Oct 2009
Location: Utah
Posts: 111
My Ride: 2002 325Ci
Yet another "Replaced Valve Cover gasket and still Leaks"

So I replaced my VCG 8 months ago, and ever since then I just keep revisiting it trying to resolve the minor oil leak it had. So far I've revisited it 10+ times ! I'm getting really sick of this! This is what I did

Attempt 1: Installed the VCG without using an RTV sealant (Used OEM Reinz Gasket). I Oiled the gasket a bit and tightened the bolts to 10 nm.

Attempt 2: Re-installed, tried to replace rubber seals, but I noticed the ones I got are slightly different then those that were originally on the VCG (the neck of the seals I purchased is shorter than those on the car). I Broke a stud in the process, and decided not to replace rubber seals.

Attempt 3 : Reinstalled, replaced the broken stud and the bolt.

Attempt 4: Reinstalled applying a bit of RTV silicone sealant (Black) on the half moons

Attempt 5: (Getting pretty desperate here) Reinstalled and applied sealant to the entire contact surface of the gasket!

Attempt 6: Removed the old Sealant from the engine and the gasket (scraped it off) , used Red RTV sealant instead on half moons.

[FYI: there were various re-installation attempts between the above attempts]

Now, my next attempt will be this weekend. I figured I probably messed up something when I tried to removed the old RTV sealant from the gasket, so I got a new gasket! I'm replacing all rubber seals. I also always felt that some bolts didn't tighten as much as others, specifically the ones on the left side of the gasket, so I'm guessing oil must have leaked somehow to the studs and the lubrication was screwing with my torque wrench's measurement, so I will degrease the studs and the bolts this time! I will thoroughly clean the surface of the gasket and the engine!

Now, before I do this, and I am getting really really really tired already, are there any recommendations to solve this oil leak that has been driving me nuts and making my car smell like burned oil !
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