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cover leak

  1. Engine & Gearbox
    Hi all . engine AAB 2.4 diesel . 1997 . have replaced the head cover . head cover comes with a bonded gasket . ran the engine . new head cover leaks oil. leaks are where there are drill holes in the head . the holes about 6mm diameter and 12 mm deep. the holes are blind, ie they dont go any...
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