Cylinder Area
Location
Possible Causes
Sticking valve
Carbon build-up
Connecting rod installed wrong
Bent connecting rod
Piston
Cylinder area, may be confined to one cylinder
or found in more than one cylinder, timed to
engine speed
Piston rings
Piston pin
Cylinder worn
Camshaft Area
Location
Possible Causes
Crankshaft timing sprocket
Timing chain
Camshaft area, front of engine, timed to one half
engine speed
Fuel Pump
Valve Lifter
Cam Bearings
Fuel Pump
Camshaft area, center of engine, timed to one half
engine speed
Valve Lifter
Cam bearing
Camshaft area, rear of engine, timed to one half
engine speed
Distributor gear
Valve lifter
Cam bearings
Loss of oil pressure
Valve lifters
Camshaft area, throughout engine, timed to one
half engine speed
Cam bearings
Index
90-823224--2 796
TROUBLESHOOTING - 1C-19
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you