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

SERVICE MANUAL NUMBER 30

496 CID (8.1L)

Cylinder Head and Valve Conditioning

Disassembly

Using valve spring compressor, compress valve spring and remove valve locks. Slowly

release tool.

76772

a - Valve Spring Compressor (J-8062)

Remove all valve components.

Remove valves from cylinder head and place in a rack, in order, for reassembly in their

original locations.

Cleaning

Clean push rods and rocker arm assemblies.

Clean carbon from valves.

76814

a - Carbon Remover Brush (J-8358)

Clean gasket material from cylinder head mating surfaces.

Clean all carbon from combustion chambers and valve ports using carbon remover

brush.

Thoroughly clean valve guides with valve guide cleaner.

90-863161 SEPTEMBER 2000

INDEX

Page 3A-31

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

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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