Oil leak. Timing chain cover - BMW Luxury Touring Community
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post #1 of 6 Old Sep 20th, 2012, 9:32 am Thread Starter
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Oil leak. Timing chain cover w/pictures

I have an oil leak at the front of the engine about half way up. There is oil above the water/oil pump. I'm guessing it's timing chain cover. From what I'm reading, there is not a pre-made gasket and to use high-temp Permatex for a sealant. Are/is there a better sealant to use and is my assumption correct? In these pictures I have already wiped some of the oil away.
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Last edited by MrMartini; Sep 20th, 2012 at 2:11 pm.
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post #2 of 6 Old Sep 20th, 2012, 6:55 pm
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Re: Oil leak. Timing chain cover

You do not need high temp sealant. Just get a small tube of Permatex Ultra Black, and put a fairly thin coat on the cover and put it back. That is what I use on most automotive/motorcycle sealing tasks. High temp is not necessary at all on most engine seal surfaces. The normal is designed for most engine uses.

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post #3 of 6 Old Sep 21st, 2012, 12:12 pm Thread Starter
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Re: Oil leak. Timing chain cover

Thanks for your reply. If you had a chance to look at pictures, would you think they indicate it is the timing chain cover?
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post #4 of 6 Old Sep 21st, 2012, 8:43 pm
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Re: Oil leak. Timing chain cover

Too hard to tell just where it is leaking. I would thoroughly clean the area up (you need to do this before you pull it anyway) and then look for the source of the leak it may be some where else.

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post #5 of 6 Old Sep 21st, 2012, 9:38 pm
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Re: Oil leak. Timing chain cover

Take your time. Did I say take your time? Gotta be clean and exact.

Mines been resealed twice under BMW warranty and once under extended warranty.

The original seal started leaking at 6000 miles. That repair only lasted another 6000 miles.

The second fix lasted fifty thousand miles.
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post #6 of 6 Old Sep 26th, 2012, 8:35 pm
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Re: Oil leak. Timing chain cover

seal it with any of the jap products yamabond honda bond, and it will never leak again.
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