Auxiliary drive belt-noisy

AUXILIARY DRIVE BELT-NOISY

Model

New Range Rover Range Rover Classic Discovery Defender

Affected vehicles

All All All All

Date

1996-04-25

Reference

25/04/96

Bulletin text

Auxiliary Drive Belt - Noisy

MODEL

New Range Rover Range Rover Classic Discovery Defender

DETAIL

A number of reports have been received which indicate instances of a metallic/tapping noise originating from the serpentine drive belt area, this noise is more noticeable when the engine is cold. Investigations have shown this to be hardened underbody wax contaminating the serpentine drive belt and drive belt pulleys.

ACTION REQUIRED

Upon customer complaint of a tapping/metallic noise from the engine compartment, follow the procedure detailed below. Note: If the serpentine belt contamination is confirmed please send product report in the normal manner.

PARTS INFORMATION

Not applicable

PROCEDURE

1. Remove serpentine drive belt and run engine for a few seconds to confirm noise is originating from the belt area. 2. Once confirmed, clean / degrease all the pulleys and idlers, ensuring the multi-rib grooves on the pulleys are free from contamination. 3. Renew serpentine belt if necessary. 4. Retest vehicle, with the engine cold.

Note: If symptoms persist replace serpentine drive belt pulleys and idlers.

25/04/96

12/07/96/EN

AFFECTED VEHICLES

LP All LH All LJ All LD All

WARRANTY

Normal warranty policy and procedures apply

COMP. CODE

2G4K

12.65.89/27 Clean/degrease all pulleys and idlers 00.20 hours

See indvidual SRO for drive belt and pulley replacement