Rear Main Oil Seal
Cleaning and Inspection
The rear crankshaft oil seal can be replaced without
removing the oil pan or rear main bearing cap from
engine.
Clean crankshaft/seal running surface and seal re-
tainer.
IMPORTANT: Correct rotation oil seal must be
used to prevent oil leak.
Removal
Remove seal by using a screwdriver to pry it out of
engine block as shown.
a
a
73126
72559
a - Rear Main Seal (Crankshaft Oil Seal)
Rear Seal WITHOUT Helical Grooves
a - Seal Lip Towards Inside Of Engine
IMPORTANT: Do not nick or gouge the engine
block or rear main bearing cap sealing surface.
Protect end of crankshaft and crankshaft/seal
running surface from damage, also.
b
a
72618
Rear Seal WITH Helical Grooves
a - Seal Lip Toward Inside Of Engine
b - Rotation of Crankshaft As Viewed From Flywheel End
Looking Forward
Index
3A-44 - 454 C.I.D. (7.4L) / 502 C.I.D. (8.2L)
90-823224--2 796
| 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