Slight S54 oil leak

A

Argenta

Senior member
Hello!
I need some help deciding what to do and change.

Just took these pics yesterday, from the front right end of the engine. Just in front of the 1st exhaust manifold pipe, slightly below the VANOS.
It's not exactly pouring but it's wet.
How to cure this?

(the pics get rotated 90deg in this post.. dunno why)

showfile.jpg

showfile.jpg
 
It's the timing chain tensioner. I just nipped mine up a bit. 32mm socket required.

Also did this for flimper.

I did purchase a new crush washer just in case but mine seems OK now. New washer was less than quid.

http://www.z4-forum.com/forum/viewtopic.php?f=9&t=74834&hilit=timing+chain+srhutch#p1099583
 
Same here - it was tricky to find a socket of the right depth but since tightening the weeping oil has stopped :)
 
Oil and gunk build up in that area has four known areas of origin.
1. Lower timing chain tensioner. Easy fix.
2. Upper timing chain tensioner. PITA!
3. Vanos gasket (towards block). Semi pita.
4. Vanos pressure hose. Semi easy fix.
 
the s54 is alittle bit of a wet engine, mines got a couple very very minor "wet" areas that cause me no concern at all....
 
Well i tightened the 32mm tensioner and it does seem dry for now anyway.. Could only turn it a few degrees but I suppose it can make a difference.
 
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