Quote:
Originally Posted by rino
Again, there is not the slightest trace of oil around the oil filler cap... and I have checked very accurately the elbows and breather hose around the elbows and they are dry. The oil leaks out at the very base of the upper elbow juncture... If you referred to the picture from 2005, it is quite messy and you can't really tell. But after cleaning the valve cover and adding those screw clamps a couple of years ago, the leaking is much less and it is quite clear that it comes out from exactly the upper elbow juncture - and also the lower elbow juncture - below the air filter housing - in spite of those screw clamps which are well tightened...
What I still have to understand is, is oil supposed to travel down the breather hose, or just hot gases???
If after this information I've given here you suggest I put in new elbows, I will try that as well... but again they are not cracked... the oil comes right out of the connection between rubber and metal, not from cracked rubber...
Thanks,
Rino
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That rubber does get heat stressed and hard. Hard rubber does not seal well like soft rubber. Just because you cannot see any cracks does not mean thay are not there.
The oil vapors get in there due to suction from the intake and will condense back to liquid. Hot oil flows better through the slightest openings easier than cold oil. Also check the metal for any imperfections. A slight indentation, and hard rubber ensures a potential leak.
You could also clean the area's really well and use a bit of RTV, but then that will have to be redone every time you take the valve cover off.
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RRGrassi
70's Southern Pacific #5608 Fairmont A-4 MOW car
13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.
99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K
90 Dodge D250 5.9 Cummins/5 speed. 400K
Gone and still missed...1982 w123 300D, 1991 w124 300D
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