Crankcase Front Cover/
Oil Seal
2. Install new seal with open end of seal inward (lip
of seal toward inside of engine), using crankcase
front cover seal installer. Drive seal in until it just
bottoms out. Do not use excessive force.
Oil Seal Replacement
(Without Removing Front Cover)
REMOVAL
1.
2.
Remove torsional damper.
Pry seal out of cover from the front with a large
screwdriver, being careful not to distort front cov-
er or damage crankshaft.
INSTALLATION
a
IMPORTANT: Correct rotation oil seal must be
used to prevent oil leak.
72560
a - Crankcase Front Cover Seal Installer (J-22102)
3.
Reinstall torsional damper as outlined.
Crankcase Front Cover
Removal
a
1.
2.
3.
4.
5.
Remove engine from boat.
Remove torsional damper and oil pan.
Remove water circulating pump.
Remove crankcase front cover.
73123
Front Seal WITHOUT Helical Grooves
a - Seal Lip Toward Inside of Engine
If damaged, drive oil seal out of front cover (from
the rear) using a punch.
Cleaning and Inspection
b
IMPORTANT: The Gen VI front cover is cast alu-
minum that has a molded o-ring style gasket.
This gasket is retained in a cast groove. It must
be replaced if damaged.
1.
2.
3.
Clean front cover in solvent and dry with com-
pressed air.
a
73124
Front Seal WITH Helical Grooves
Clean old gasket material and sealer from mating
surfaces on cover and cylinder block.
a - Seal Lip Toward Inside Of Engine
Check gasket surface on front cover for distor-
tion, and true if necessary. Surfaces must be
clean and flat or oil leakage may result.
b - Rotation Of Crankcase As Viewed From Front End Look-
ing Toward Flywheel End.
1.
Apply Quicksilver Perfect Seal to seal retainer
mating surface and apply grease to seal lips.
Index
90-823224--2
796
454 CID (7.4L) / 502 CID (8.2L) - 3A-41
| 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