Engine - Drive/Supercharger Belt Chirping Noise

NUMBER JTB00045
(ISSUE 3)

MODEL S-TYPE, XJ, XK, XK8

DATE 29 MAY 2009

ISSUE '3' CHANGES ARE HIGHLIGHTED IN GRAY

SECTION: 303

Drive Belt Noise - Repair Procedure





AFFECTED VEHICLE RANGE

CONDITION SUMMARY:

Situation:

A noise or chirp may be heard from Front End Auxiliary Drive (FEAD) belt or Supercharger drive belt on cold start. This may be caused by the installed idler pulleys not controlling belt tracking correctly.

Action:

In the event of a customer concern of the above, refer to the Repair Procedure outlined below to:

^ Normally Aspirated (NA) vehicles: replace the FEAD belt and idler pulley with new flanged idler pulley and belt.

^ Supercharged (SC) vehicles: replace the FEAD belt and idler pulley with new flanged idler pulley and belt; and / or replace supercharger idler pulley with new grooved idler pulley, tensioner, pulley bracket, and drive belt.





PARTS





WARRANTY:

NOTE:
Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Always refer to DDW to obtain the latest repair time.

DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.

REPAIR PROCEDURE

REPLACE FRONT END ACCESSORY DRIVE AND / OR SUPERCHARGER DRIVE BELT SYSTEM

NOTE:
Global Technical Reference (GTR) lookup sequence is as follows: GTR Home > NAS > Model > Service Information > Model Year > Workshop Manuals > 3: Powertrain > 303: Engine > 303-05 / 303-05A: Accessory Drive - 4.2L

1. If Normally Aspirated, refer to Workshop Manual (GTR) section 303-05 / 303-05A (12.93.06) and install a new flanged idler pulley (C2C 37064) and FEAD belt (C2C 37063).

2. If Supercharged, identify if the Front End Auxiliary Drive or Supercharger drive system is making the noise.

^ If FEAD system is noisy, refer to Workshop Manual (GTR) section 303-05 / 303-05A (12.93.06) and install a new flanged idler pulley (C2C 37064) and FEAD belt (C2C 37063).

^ If Supercharger drive system is noisy, refer to Workshop Manual (GTR) section 303-05 / 303-05A (18.91.38) and install a new grooved idler pulley (C2S 46862), tensioner (C2C 37057), pulley bracket (C2C 37056), and drive belt (C2C 37055).