SERVICE MANUAL NUMBER 24
5.0l / 305 cid / 5.7l / 350 cid ENGINES
Cylinder Block
Cleaning and Inspection
1.
2.
3.
4.
5.
6.
Remove all engine components.
Wash cylinder block thoroughly in cleaning solvent.
Clean all gasket surfaces.
Remove oil gallery plugs.
Clean all oil passages.
Remove expansion plugs.
NOTE: These plugs may be removed with a sharp punch, or they may be drilled and pried
out.
7.
8.
Clean and inspect water passages in cylinder block.
Inspect cylinder block for cracks in cylinder walls, water jacket valve lifter bores and main
bearing webs.
9.
Measure cylinder walls for taper, out-of-round or excessive ridge at top of ring travel.
This should be done with a dial indicator or inside micrometer. Carefully work gauge up
and down cylinder to determine taper and turn it to different points around cylinder wall
to determine out-of-round condition. If cylinders exceed specifications, boring and/or
honing will be necessary.
a
b
b
72385
a
Cylinder Measurement
a - At right angle to centerline of engine
b - Parallel to centerline of engine
“Out-of-Round” = Difference between “a” and “b”
“Taper” = Difference between measurement “a” at top of cylinder bore and “a” measurement
at bottom of cylinder bore
72386
72387
Measuring Cylinder Bore
Index
90-861327--1
OCTOBER 1999
Page 3A-83
| 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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