496
CID (8.1L)
SERVICE MANUAL NUMBER 30
Crankshaft Sprocket
Removal
1.
2.
3.
Remove torsional damper and front cover.
Remove camshaft gear and timing chain.
Remove crankshaft sprocket using crankshaft gear puller (J-42846).
Installation
1.
2.
Using crankshaft gear and sprocket installer, install sprocket on crankshaft.
Install timing chain.
Checking Timing Chain Deflection
1.
2.
Rotate camshaft (in either direction) to place tension on one side of the chain.
Establish a reference point on the block (on taut side of chain) and measure from this
point to the chain.
3.
4.
Rotate camshaft in the opposite direction to slacken the chain, then force chain out with
fingers and again measure the distance between reference point and timing chain.
The deflection is the difference between these two measurements. If the deflection
exceeds 3/4 in. (19 mm), timing chain should be replaced.
a
77478
a - Timing Chain
5.
6.
Install front cover.
Install torsional damper.
Page 3A-86
INDEX
90-863161 SEPTEMBER 2000
| 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 |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(2 votes, average: 4 out of 4)
Marine readers have rated Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 4.0 out of 4.0 based on 2 product reviews. How many openings for crankcaseventilation is there on
Merc 496 HO ?
Great down load . it was all there an more