Workshop Manuals Factory service & repair Land Rover
01 4.0 & 4.6 Litre V8 Engine - 4th Edition02 03 04 05 INFORMATION06 07 08 GENERAL DATA09 10 11 12 TORQUE WRENCH SETTINGS13 SERVICE TOOLS14 15 16 17 18 DESCRIPTION AND OPERATION19 20 21 OVERHAUL
Land Rover Engine Overhaul Manual v8 4.0 4.621 · OVERHAUL
21 · General

Oil pressure by-pass valve - refit

Make
Land Rover
Model
Engines Engine Overhaul Manual v8 4.0 4.6
Section
Oil pressure by-pass valve - refit
OVERHAULOil pressure by-pass valve - refit
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ENGINE

28

OVERHAUL

Oil pump - refit

1. Lubricate rotors, oil pump drive gear, cover

plate and housing with engine oil.

2. Assemble rotors and drive gear in housing

ensuring that reference marks are aligned.

3. Position cover plate to housing.
4. Apply sealant, Part number STC 50552 to

threads of cover plate screws and bolt.

5. Fit cover plate screws and bolt and tighten to:-

Screws - 4 Nm (3 lbf.ft)
Bolt - 8 Nm (6 lbf.ft)

6. Fit timing cover.

Oil pressure by-pass valve - refit

1. Lubricate new ’O’ ring with engine oil and fit to

by-pass valve plug.

2. Lubricate by-pass valve spring, plunger and

plunger bore with engine oil.

3. Assemble plunger to by-pass valve spring,

insert plunger and spring into bore.

4. Fit by-pass valve plug, depress plug and fit

circlip.

5. Ensure circlip is fully seated in groove.

Parts & tools for this job Staging For Land Rover Engines

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