Range Rover (LP) V8-4.0L (1999)
Rocker Arm Assembly: All Technical Service Bulletins
Engine - Tapping/Rattling Noises
No: 12/02/00/NAS
Ref: WSM Section 12
Overhaul Manual
Replaces TIB 12/01/98/NAS
Issue: 2
Date: 12/22/00
Rocker Arm Rattle/Tapping Sound
AFFECTED VEHICLE RANGE:
RANGE ROVER (LP)
WA382672 to YA437311
DISCOVERY SERIES II (LT)
Up to YA265404
DISCOVERY (U)
WA753113 to XA795263
SITUATION:
NOISE FROM ENGINE VALVE TRAIN/ROCKER ARMS
Customer complaints of a rattling/tapping noise from the engine found to originate from rocker shaft area may be the result of the hardened push-rod cup
being insecure in the rocker arm.
RESOLUTION:
NOTE:
This bulletin supersedes and replaces TIB 12/01/981NAS.
INSPECT AND REPLACE ROCKER ARMS
Investigate customer complaints of valve rattling/tapping noise on vehicles within the above VIN ranges and identify rocker arms with loose push-rod
cups. If noisy or loose rocker arms are encountered during the inspection, replace all rocker arms with updated parts.
PARTS INFORMATION
WARRANTY CLAIMS
Normal warranty policy and procedures apply.
REPAIR PROCEDURE:
DETERMINE FAULTY ROCKER ARMS AND REPLACE