Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30

TROUBLESHOOTING

SERVICE MANUAL NUMBER 30

Miscellaneous

Noise

Possible Cause

Low octane fuel

Engine running hot

Engine spark knock

Carbon deposits in engine

Vacuum leak

Leaking exhaust (manifolds or pipes)

Loose cylinder heads

Hissing

Blown head gasket

Vacuum leak

Whistle

Dry or tight bearing in an accessory

Leaking high tension lead

Cracked coil tower

Sparks jumping

Serpentine drive belt slipping

Dry or tight bearing in an accessory

Parts rubbing together

Exhaust shutters

Squeaks or squeals

Rattling in exhaust pipe area

INDEX

Page 1C-14

90-863161 SEPTEMBER 2000

Product Specification

Categories	Mercury MerCruiser Manuals
Tags	Mercury MerCruiser 496 CID
Model Year	1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Download File	Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step. - 355 pages
Document File Type	PDF
Copyright	Attribution Non-commercial

(2 votes, average: 4 out of 4)

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Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 SKU UPC Model

Sven-Erik Walin on Jun 10, 2018. crankcase ventilation

How many openings for crankcaseventilation is there on
Merc 496 HO ?

John fox on Apr 11, 2018. Manual

Great down load . it was all there an more