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1998 s70 no compression in #5 cylinder S70 1998

posted by  KlausC on  Mon Jun 23 18:25 CST 2014
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Oil around the plugs is normal for a clogged PCV and an old filler cap seal.

Not having any compression in #5 is a serious problem. If the car sat for a long time without being started, pour a table spoon of oil in the spark plug hole and check the compression again. If the compression is still zero, you will need new valves or rings. If the compression rises to above 125 or so, start the engine and let it idle for 10 minutes, let the engine cool for a bit and try reading the compression again. All compression test should be done with a warm engine.

What you don't want is a broken set of piston rings. Bad valves can be cured with a remaned head, but those are not cheap.
--
My back feels better when I sit in a Volvo seat






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