SERVICE MANUAL NUMBER 23
454 CID (7.4L) / 502 CID (8.2L)
Oil Pump
5
3
6
9
8
7
10
11
4
1
2
72277
Oil Pump Assembly
1
2
3
- Extension Shaft
- Shaft Coupling
- Pump Body
4
5
- Drive Gear and Shaft
- Idler Gear
6
7
- Pickup Screen and Pipe
- Pump Cover
8
9
10
11
- Pressure Regulator Valve
- Pressure Regulator Spring
- Retaining Pin
- Screws
The oil pump consists of two gears and a pressure regulator valve enclosed in a two-piece
housing. Oil pump is driven by distributor shaft which is driven by a helical gear on camshaft.
Removal
1.
2.
Remove oil pan as outlined.
Remove gasket carefully as the one-piece gasket for the oil pan may be reused if still
pliable and not cracked, torn, etc.
3.
Remove baffle.
a
75496
b
c
a - Nuts (5)
b - Baffle
c - Oil Pump
4.
Remove oil pump.
Index
90-861326--1 MARCH 1999
Page 3A-51
| 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 |
(1 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...