landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

Engine - Oil Leaks From Rear of Cylinder Block|Page 3672 > < Engine - Oil Leaks From Rear of Cylinder Block|Page 3666
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Expansion/Freeze Plug: Customer Interest
Engine - Oil Leaks From Rear of Cylinder Block

13/1/95

12/01/95/US

SUBJECT:
V8 Engine - Rear End Oil Leaks Diagnosis
 
MODEL:
Range Rover Discovery, Defender

AFFECTED VEHICLES: 
All Vehicles

DETAIL

Oil leaks from the rear of the cylinder block could come from either:

a) The rear main seal

b) The camshaft gallery plugs

c) The camshaft bearing bore cup plug

Please consider the information below when diagnosing and repairing a vehicle with a rear engine oil leak.

ACTION REQUIRED

Upon customer complaint of an oil leak from the rear of the engine follow the procedure shown below to diagnose and repair.

PARTS INFORMATION

Rear Main Oil Seal (black):

ERR 2640 

Gallery Plug Thread Sealant:

Loctite 242 

Camshaft Bore Plug Sealant:

Loctite 54041 

(equivalents to the Loctite sealants may be used, call 1 800 Loctite for local supplier information)

PROCEDURE

Having investigated the oil leak and traced it to the rear of the engine, remove the transfer box and transmission (section 37, 41 and 44 of the Workshop
Manual). Remove the drive plate/flywheel (refer to section 12 of the workshop manual) to gain access to the rear seal area of the block.

Establish the cause of the oil leak and follow the appropriate procedure. 

A)

Rear Main Seal Leaks

Engine - Oil Leaks From Rear of Cylinder Block|Page 3672 > < Engine - Oil Leaks From Rear of Cylinder Block|Page 3666