SERVICE MANUAL NUMBER 24
TROUBLESHOOTING
Cylinder Area
Noise Location
Possible Causes
Sticking valve
Carbon build-up
Connecting rod installed wrong
Bent connecting rod
Cylinder area, may be confined to one
cylinder or found in more than one
cylinder, timed to engine speed
Piston damaged or broken
Piston rings damaged or broken
Piston pin damaged or broken
Worn cylinder
Camshaft Area
Noise Location
Possible Causes
Crankshaft timing sprocket damaged
Timing chain damaged
Fuel pump damaged
Camshaft area, front of engine, timed to
engine speed
1/2
Valve lifter damaged
Cam bearings damaged
Fuel pump damaged
Camshaft area, center of engine, timed to
1/2 engine speed
Valve lifter damaged
Cam bearing damaged
Distributor gear damaged
Valve lifter damaged
Camshaft area, rear of engine, timed to
1/2 engine speed
Cam bearings damaged
Loss of oil pressure
Camshaft area, throughout engine, timed
to 1/2 engine speed
Valve lifters damaged
Cam bearings damaged
Index
90-861327--1
OCTOBER 1999
Page 1C-19
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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Marine readers have rated Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID 4.0 out of 4.0 based on 1 product reviews. Great performance engine.
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