Question about 1993 Chevrolet Cavalier
I bought a used cavalier from my friend and I bought it "as is". It works great but unfortunatly there is a oil leak..more like a drip(about a table spoon a day) I looked under there, and it looks as if its every where, ie. oil pan oil filter and all over wheel frame thing. I thought it was oil pan gasket but I de-greased the whole bottom and power washed of the oil and put it on some ramps it has sat for hours and i see no oil on the board I lay on which tells me its somewhere near the front of engine like oil filter instead of the back close to the oil pan. I THINK its a side mounted engine so it would be the right side in that case.I hear it may be a o ring of some sorts or a ring gasket by the front or rear of engine where the transmission connects to engine....car works great but would be nice to fix this please help
One very common leak on 3.1 l is under throtle body where there used to be a distriburo.its located between transmission and tor rear of the engine .there is an o ring under it . check at the top under where the gas cable is.
Posted on Feb 02, 2009
This being a side mounted 3.1 liter (v6) the front of the engine would be on the right side of the car from the driver's perspective. if the oil is coming from that side cocentrate your pinpointin there, make sure it is not one of the valve cover gaskets and oil is running down from the top (common) and making pinpoiinting the leak difficult because it tends to spreak on its way down. Seals tand to leak more when the engine is running, so you may have to run it while parked for a little while and check for the leak. It may be the crankshaft seal if it is localized to below the crankshaft; Or if it is coming out of the timing cover then it may be the camshaft seal of the lower intake seal. Intake seal leakes are next to valve cover gasket leak the most common on those engine. Update us. Good luck.
Posted on Feb 02, 2009
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Posted on Jan 02, 2017
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