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Smoke from crankcase breather pipe... flame trap 700 1989

posted by  someone claiming to be Grant on  Sun Sep 30 16:53 CST 2001 [RELATED]

I have a 1989 740 Turbo Wagon.

I noticed a few whiffs of smoke coming from beneath the hood, so I look to find the breather hose (from the flame trap to the intake) disconnected and dripping oil.

I think that Turbo's don't have a flame trap per-se like regular motors, but more of a crankcase breather that has the same function, I could be wrong here.

Anyway, I observed a steady drip of oil coming out of that pipe and a bit of smoke too. How much blow-by is normal for a turbo car? My car burns oil at about 1 quart per 750 miles and I am wondering if this is excessive crankcase pressure due to bad rings or something.





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