SERVICE MANUAL NUMBER 25
262 CID (4.3L) ENGINES
Crankshaft Sprocket
Removal
1.
2.
3.
Remove torsional damper and crankcase front cover.
Remove camshaft timing chain.
Using crankshaft gear and sprocket puller (P/N J-5825-A), remove crankshaft sprocket.
Installation
1.
Using crankshaft gear and sprocket installer, as shown, install sprocket on crankshaft.
a
72377
a - Crankshaft Gear and Sprocket Installer (J-5590)
2.
3.
Install timing chain.
Install crankcase cover and torsional damper.
Checking Timing Chain Deflection
With timing chain and sprockets installed, check timing chain deflection, as follows:
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
72899
a - Reference Point
Index
90-861328--1
NOVEMBER 1999
Page 3A-89
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 1262 CID, Mercury MerCruiser 262 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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