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Bent Valve(s) 1996 Volvo 850 850

posted by  David W on  Thu Jan 1 10:18 CST 2004
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I didn't do the work but the shop that did it said that when the timing marks on the camshafts and crankshaft were lined up the #1 cylinder piston was not at TDC. They said that to get it to TDC the crankshaft had to be turned about another 10 degrees. They asked the Volvo dealer about it and the dealer mechanic said he followed the markings only and didn't seem to have checked or thought of checking the piston position which left the repair shop wondering if this was just some weird Volvo design.

From the message threads it looks as though the #1 piston should have been at TDC when the timing marks were all in line and the fact that they weren't likely caused the second failure.

I'm guess I'm now as surprised as others seem to be that the engine ran for 600 miles.






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