Workshop Manuals Factory service & repair Land Rover
01 02 AMENDMENT INSTRUCTION SHEET03 INTRODUCTION04 GENERAL SPECIFICATION DATA05 ENGINE TUNING DATA06 GENERAL FITTING REMINDERS07 MAINTENANCE08 ENGINE09 FUEL SYSTEM10 COOLING SYSTEM11 MANIFOLD AND EXHAUST SYSTEM12 CLUTCH13 MANUAL GEARBOX14 TRANSFER GEARBOX15 PROPELLER SHAFTS16 REAR AXLE AND FINAL DRIVE17 FRONT AXLE AND FINAL DRIVE18 STEERING19 FRONT SUSPENSION20 REAR SUSPENSION21 BRAKES22 WHEELS AND TYRES23 CHASSIS AND BODY24 HEATING AND VENTILATION25 AIR CONDITIONING26 WIPERS AND WASHERS27 ELECTRICAL28 INSTRUMENTS
Land Rover 300Tdi Defender08 · ENGINE
08 · Engine

ENGINE OIL PRESSURE TEST

Make
Land Rover
Model
Defender 300Tdi Defender
Section
ENGINE OIL PRESSURE TEST
ENGINEENGINE OIL PRESSURE TEST
background image

12

ENGINE

2

REPAIR

ENGINE OIL PRESSURE TEST

Service repair no - 12.90.09/01

WARNING: Use suitable exhaust
extraction equipment if an engine test is
being carried out in a workshop.

WARNING: If vehicle has been running,
engine wil be hot; care must be taken
when fitting test equipment to prevent

personal injury.

1. Check that engine lubricant is to correct level.
2. Remove oil pressure switch .

3. Connect pressure test gauge LRT-12-052A, as

shown.

4. Start and run engine to normal operating

temperature.

5. With engine running at idle check oil pressure,

which should read 1.76 bar (25.87 lbf/in

2

).

6. If pressure is low it can be caused by the

following:-
Thin or diluted oil.
Low oil in sump.
Choked oil strainer.
Faulty oil pressure relief valve.
Excessively worn or damaged oil pump
displacement gears.
Excessive crankshaft bearing clearance.

7. If excessive pressure is indicated it can be

caused by :-
Overfilling engine with lubricant.
Sticking oil pressure relief valve.
Blockage in breather system.

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