Quote:
Originally Posted by Texasdoc
At some point during all this I noticed the driver's side exhaust pipe seemed to be rotated downward. The support bracket was previously horizontal, now it is angled about 15-20 degrees downward. Immediately after shutting it off a small amount of steam came out the exhaust pipe. Then next morning a few drops of fluid (water from bad gas? coolant? raw, unburned fuel from coil not firing?) had dripped from the pipe to the garage floor.
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Definitely not un-burned fuel; it would have evaporated. Steam and water would concern me, especially since it was overheated. I would pressure test the radiator. If it does not hold pressure, be careful with hydro-locking the engine. You could fill a cylinder and bend a rod.
Watching the water in the cooling system for air bubbles with the engine running would show a head gasket leak from the compression. An intake leak will not show on this test.
Intake gasket can pour water into a cylinder and the compression and leak down tests could look good. Is the worst cylinder on the side that the water/steam came out? The cylinder that is getting water may have enough water to wash all the
oil away causing the rings to not seal well. If so squirting a little
oil into that cylinder would bring compression back up.
The squeal could possibly be a vacuum leak. Intake gaskets twisted up during the over heat, may cause a vacuum leak squeal and a water leak.
The pipe being twisted has nothing to do with the engine, although the pipe may have move while things were over heated.