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Crankcase pressure weirdness... 200

posted by  clbolt on  Mon Dec 8 07:47 CST 2003
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last visit: Sun Aug 26 06:52 CST 2001
[RELATED]

When I bought my 1991 245, the flame trap and the brass nipple into the intake manifold were blocked, so the car was running with positive crankcase pressure. I replaced the flame trap and cleaned the nipple, and all was well.

This past week, the rear main seal started leaking. I loosened the oil cap, and it "dances" while the car is idling, indicating that the car is again running under positive crankcase pressure. I checked the flame trap and the nipple, and even removed and checked the oil trap, and all were clear. I'm at a loss as to where the problem could be at this point. Any suggestions?
--
1991 245, 61k miles, looking for a 5 speed 92-93 245 cheap.






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