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    431A VolvoPenta V6 4.3l 1992 extremly high oil pressure.

    Hello folks. I'm back with my too high oil pressure problem. Ordered new oil pump/oil pressure valve assembly. While setting new pump, found out a bypass release valve over oil filter fitting case. Any clue about a bypass defect that could discharge directly into engine oil system ? This will...
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    Maintenance program for Volvo Penta 431A V6 GM/DP-A1 stern

    Hello there. I own a Jeanneau Leader 650 with 1992 Volvo Penta 431A engine DP-A1 sterndrive installed. She stays in salty water all year long. Bought her 2 years ago, with engine flooded and blocked. Rebuild engine, changed elbows, exhaust manifolds,rebored cylinders,oversized...
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