454
CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Valve Stem Oil Seal / Valve Spring
Removal - Head Installed
1.
Remove:
a. Rocker arm cover.
b. Spark plug of affected cylinder.
c. Rocker arm assembly.
2.
3.
Install air line adaptor tool (J-23590) in spark plug hole and apply compressed air to hold
valves in place.
Using valve spring compressor as shown, compress valve spring and remove valve
locks.
a
b
72516
a - Valve Spring Compressor (J-5892)
b - Rocker Arm Nut
4.
Slowly release valve spring compressor. Remove cap, shield, and valve spring.
IMPORTANT: Maintain air pressure in cylinder while springs, caps, and valve locks
are removed or valves will fall into cylinder.
5.
Remove oil shields from valve stems.
a
72149
a - Valve Stem Oil Shield
Index
Page 3A-36
90-861326--1 MARCH 1999
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1998, 1999, 2000, 2001 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Just need the manual. Wrote review. Can't technically review what I haven't seen yet...