496
CID (8.1L)
SERVICE MANUAL NUMBER 30
Cleaning
1.
2.
3.
4.
5.
6.
7.
Wash all parts in cleaning solvent and dry with compressed air.
Inspect pump body and cover for cracks or excessive wear.
Inspect pump gears for damage and excessive wear.
Check for loose drive gear shaft in pump body.
Inspect inside of pump cover for wear that would permit oil to leak past ends of gears.
Inspect pickup screen and pipe assembly for damage to screen and pipe.
Check pressure regulator valve for fit.
IMPORTANT: Oil pump is not serviceable. If any parts are worn or damaged, replace
pump assembly and pickup tube.
Reassembly
IMPORTANT: Coat internal parts with oil liberally before installation.
1.
2.
3.
Install pressure regulator valve and related parts.
Install drive gear in pump body.
Install idler gear in pump body with smooth side of gear toward pump cover opening.
Align marks made in disassembly.
4.
5.
6.
Fill gear cavity with engine oil.
Install pump cover and torque attaching screws to 106 lb-in. (12 Nm).
Turn extension shaft by hand to check for smooth operation.
Installation
1.
2.
Install pump, with extension shaft, to rear main bearing, aligning extension shaft with oil
pump drive.
Tighten oil pump bolt to 56 lb-ft. (75 Nm).
b
a
76707
a - Oil Pump
b - Oil Pump Bolt
3.
Install oil pan.
Page 3A-40
INDEX
90-863161 SEPTEMBER 2000
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 496 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(2 votes, average: 4 out of 4)
Marine readers have rated Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 4.0 out of 4.0 based on 2 product reviews. How many openings for crankcaseventilation is there on
Merc 496 HO ?
Great down load . it was all there an more