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On rear mains and longevity 850

posted by  Ken Temkin on  Thu Feb 5 04:18 CST 2004
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last visit: Wed Oct 22 12:06 CST 2014
[RELATED]

Agree, weak design.

Not much you can do about it at this point.

Also, flame trap may not be the only problem contributing to high crankcase pressures.

My 850 is experiencing high crankcase pressures even with the flame trap removed. I'm about to pull the intake manifold to get to the oil trap and associated hoses, which are up-stream of the flame trap and which may also be clogged. If that is not the problem, then likely I have very bad valve guides/seals, broken piston ring(s), or something else equally as horrible.

These are not problems which should not be occuring on a moderately high-end car with a corporate reputation for reliability. In general, the 850 has destroyed that reputation, in my mind. Especially on a car which has been babied and maintained to its every demand (which has been quite often).

Ken






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