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Timing Chain Tensioner Leak


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1 minute ago, kbmb02 said:

OEM tensioner or aftermarket? 

Leaking at the tensioner cap and/or crush-washer? Any cracks in the lower cover?

If you didn’t build it yourself, what does the engine builder say...?   -KB

 

Appreciate the reply.

 

The motor was built in Portland and I am in Texas now.  The motor was built in 2012 by a very reputable shop.   I sold the car shortly after the engine build and the P.O. didn’t drive it as It sat for a long time in his collection.  After repurchasing the car, I haven’t driven it much either due to the heat in Texas.   

 

I’ll have to try and crawl under to see if I pinpoint the leak source and check for noticeable cracks.  

 

And I don’t recall OEM or aftermarket.  I’ll dig through the file and see if I can find what was put in.  

 

Squatch Pads

Lorena Texas

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It could also be the little gaskets on the sides of the upper chain cover, on the front end of the head.  I thought mine was leaking from the crush washer, but I think it's those 2 little sections of gasket.

Dave.

'76, totally stock. Completely.

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17 minutes ago, kbmb02 said:

Leaking at the tensioner cap and/or crush-washer?

 

This easy to check and fix without getting under the car.  Put a wrench on the cap (19mm) and see if you can turn it easily in either direction.  If so, it is probably loose. Tighten it till snug.  Go gently though as it is steel going into aluminum.  Wipe off the area around it and see if the leak persists.

BMWCCA  Member #14493

www.2002sonly.com

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