1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 447Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 447

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COLLECTORS
aCheck condition of O-ring seal; if dried out or shrunk below mating surface, remove and replaceClean groove thoroughlybGlue new O-ring seal in groove, using Sound Blanket GlueWipe of