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Are there any leaks visible under the car? >>>
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Posted by Kyle [Email] (more from Kyle) on Sun, 16 Mar 2003 14:46:37 Share Post by Email
In Reply to: turbo or engine bad?, Mike, Sun, 16 Mar 2003 13:45:40
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If so, which side of the engine is it coming from? When my car was losing a quart every two weeks, the culprit was the main crankshaft seal.

The severity of the leak at that location increased when the car was running and presumably it was dumping the most oil at high RPMs when the car was running. This made the leak difficult to pinpont as the crankshaft pulley and or wind turbulence would spray the oil all over the place when the car was on the road.

I would lose as much as half a quart on a long highway trip, yet if the car sat for a few days, the puddle left underneath hardly hinted at a leak that severe.

Otherwise, have you looked at the inlet side of the intercooler? Have you checked for oil in the coolant (indicative of a failing head gasket)? Perhaps you should do a compression test. Was there any evidence of oil fouling on the plugs? Perhaps you should pull the plugs after the car sits overnight and shine a light into the plug holes to see if any oil has collected on top of the pistons.

If the turbo itself was passing that much oil, I would expect much more smoke out of the tail pipe, or else it would be coating the entire intake tract after the turbo compressor housing.

Good Luck!

-Kyle
'91 9000T
154,000mi



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