IMPORTANT: DO NOT move or disturb the orien-
tation of fitting on bottom of pan or incorrect oil
level readings may be obtained.
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
a
b
1.
2.
Remove oil pan as outlined.
c
Remove gasket carefully as the one-piece gas-
ket for the oil pan may be reused if still pliable and
not cracked, torn, etc.
3.
Remove baffle.
71308
a
Generation V MIE Engine Oil Pan
a - Factory Positioned Fitting For Tubes (Do Not Move)
b - Port Tube
c - Starboard Tube
6.
Fill crankcase with required quantity of oil of spe-
cified viscosity. See Section 1B - “Maintenance.”
Oil Pump
c
3
5
6
9
b
7
8
72545
a - Nuts (5)
b - Baffle
c - Oil Pump
10
4
11
4.
Remove oil pump.
1
Disassembly
1.
Remove pump cover.
2
Oil Pump Assembly
72277
IMPORTANT:Markgearteethforreassemblywith
same teeth indexing.
1
2
3
4
5
6
7
8
9
- Extension Shaft
- Shaft Coupling
- Pump Body
- Drive Gear and Shaft
- Idler Gear
- Pickup Screen and Pipe
- Pump Cover
- Pressure Regulator Valve
- Pressure Regulator Spring
2.
Remove idler gear and drive gear from pump
body.
3.
Remove retaining pin, spring, and pressure regu-
lator valve from pump cover.
10-
11-
Retaining Pin
Screws
Index
3A-38 - 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