Canada - Engine - Drive Belt, Noise
BulletinTSB2015
Issue Date
July 19, 2004
Title
ACCESSORY DRIVE BELT NOISE
Component
ENGINE MECHANICAL
Models
'01 - '04 GS 430 & LS 430
On some 2001 - 2004 model year GS 430 & LS 430 vehicles, the Accessory Drive Belt (V-Rib Belt) may make a "squealing" or "chirping" sound under certain conditions when the engine is first started. An updated V-Rib Belt has been developed to improve the condition.
APPLICABLE VEHICLES:
- 2001 - 2004 model year GS 430 and LS 430 vehicles produced BEFORE the Production Change Effective VINs shown below.
PRODUCTION CHANGE INFORMATION:
PARTS INFORMATION:
WARRANTY INFORMATION:
REPAIR PROCEDURE:
1. Remove air cleaner Inlet No. 1.
2. Remove accessory drive V-Rib Belt.
A. Loosen the belt tension by turning the belt tensioner counterclockwise, and remove the V-Rib Belt.
NOTE:
The tensioner pulley has a left-hand thread.
3. Inspect all pulleys, idlers, and the tensioner for misalignment or positioning at a different angle from the other drive belt components. If a misaligned component is found, adjust as needed. Otherwise, belt noise may reoccur with the new belt.
4. Install new accessory drive V-Rib Belt.
A. Place the new V-Rib Belt in position except for Idler Pulley No. 2, as shown.
B. Loosen the V-Rib Belt by turning the belt tensioner counterclockwise.
C. Place the V-Rib Belt in position for Idler Pulley No. 2.
D. After the new V-Rib Belt has been installed, check that the mark in the image is within range "B" as shown.
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.