Workshop Manuals Factory service & repair Land Rover
01 3.5, 3.9 & 4.2 V8 Engine Overhaul Manual - 2nd Edition02 03 04 05 INFORMATION06 07 08 GENERAL DATA09 10 11 12 TORQUE WRENCH SETTINGS13 14 SERVICE TOOLS15 16 17 18 19 DESCRIPTION AND OPERATION20 21 22 23 OVERHAUL
Land Rover V8 Engine 3.5 3.9 4.223 · OVERHAUL
23 · General

Oil pressure by-pass valve - remove

Make
Land Rover
Model
Engines V8 Engine 3.5 3.9 4.2
Section
Oil pressure by-pass valve - remove
OVERHAULOil pressure by-pass valve - remove
background image

ENGINE

28

OVERHAUL

OIL PUMP - ENGINE NUMBERS WITH SUFFIX B

CAUTION: Overhaul procedures for the oil
pump, oil pressure by-pass valve and oil
pressure relief valve are limited to carrying

out dimensional checks. In the event of wear or
damage being found, a replacement timing cover
assembly must be fitted.

Oil pump - remove

1. Remove timing cover.

2. Remove oil pump drive gear.
3. Remove screws and bolt - if fitted securing

cover plate, remove plate.

4. Make suitable alignment marks on inner and

outer rotors, remove rotors.

Oil pressure by-pass valve - remove

1. Remove circlip.
2. Remove by-pass valve plug.
3. Remove and discard ’O’ ring from plug.
4. Remove by-pass valve spring and plunger.
5. Check plunger and bore of by-pass valve in oil

pump body for scoring and corrosion.

NOTE: Light corrosion may be removed
using grade 600 emery cloth soaked in oil.

Parts & tools for this job Staging For Land Rover Engines

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.