Can the valve covers warp after taking them off I'm asking because I did a valve cover gasket change and the mechanic actually showed me the gap it was like 3 mm.

20

Asked by May 04, 2015 at 08:33 PM about the 2006 BMW 7 Series 750Li

Question type: Maintenance & Repair

But prior to that the car it only leaked by 4
spark plugs and it was running fine now it
startles so hard that it turns off and is
leaking horrible all around the valve covers

6 Answers

61,215

Yes they can warp,if over tighten,when replaced.

20

But before I took the car there it was fine as soon as they took them off they called me and tested them right in front of me can it be possible that it was caused by liberating the pressure once I took them off they warped it is almost a 10 year old engine. That's what I really need to know if it was mechanic error or is it the wear and tear.

61,215

No, they would not warp from removal,they would warp from replacing and over tightening them,was they back on the car when tested,when you got there?

61,215

They may have been warped from last time someone changed the gasket,s,if they were not on when you got there.

20

No they were not on when I got there

39,825

Severely warped valve cover can let un-metered air into the engine causing to run rough, especially at idle. Found that out by not properly installing oil fill cap on a 2006 BMW Z4. 10 year old engine could very possibly have warped valve covers.

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