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Compression

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phil1972 Avatar
phil1972 Phillip D
Riverfalls, WI, USA   USA
Hi to all I have low compression on #3and #4 pistons 75psi thinking it's probably a head gasket. Still seems to run ok but needs to be fixed
Anyone gone thro this already thanks phil
4age 1600 engine

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johnolsen Avatar
johnolsen John Olsen
LANCASTER, CA, USA   USA
would sugesst leak down test - inject air into cyn with piston at tdc you will have to hold motor from turning [stick shift apply p/b put in ger auto try having someone hold the crankshaft pulley center bolt or flywheel if none of the work remove cams and then air test youll see bubble in cooliny system [head gasket] and or hear where air is leaking out exhaust pipe [ valve] up thru throttlebody intake valve or into oil pan broken piston and or rings hope this helps

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