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 relief valve - remove

Make
Land Rover
Model
Engines Engine Overhaul Manual v8 4.0 4.6
Section
Oil pressure relief valve - remove
OVERHAULOil pressure relief valve - remove
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ENGINE

OVERHAUL

25

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.

Oil pressure relief valve - if fitted - remove

1. Remove circlip.
2. Remove relief valve plug.
3. Remove and discard ’O’ ring from plug.
4. Remove relief valve spring and piston.
5. Check piston and bore of relief 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

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