LaCrosse FWD V6-3.0L (2010)
Drive Belt: Customer Interest
Engine - Drive Belt Noise Inspect Pulley
TECHNICAL
Bulletin No.: 10-06-01-006
Date: July 26, 2010
Subject: Intermittent or Continuous Drive Belt Noise (Inspect for Pulley Damage, Misalignment and/or Replace Drive Belt)
Models:
2010 Buick LaCrosse
2010 Cadillac SRX
2010 Chevrolet Equinox
2010 GMC Terrain
Equipped with 3.0L (RPO LF1) or 3.6L (RPO LLT) V6 Engine
Built Prior to February 27, 2010
Condition
Some customers may comment on an intermittent or continuous drive belt noise.
Cause
This condition may be caused by any of the following:
-
One or more of the accessory drive pulleys may be misaligned, bent or damaged.
-
The power steering (PS) pump pulley may be misaligned due to improper mounting on the PS pump.
-
The drive belt may need to be replaced.
Correction
1. Verify the intermittent or continuous drive belt noise condition exists.
‹› If the condition exists, proceed to Step 2.
‹› If the condition does not exist, then this bulletin does not apply.
2. Perform a visual inspection for damage to any accessory drive pulley or to the drive belt. Refer to Drive Belt Chirping, Squeal and Whine
Diagnosis in SI.
‹› If the diagnosis reveals a condition, then repair as needed.
‹› If the diagnosis does not reveal a condition, proceed to Step 3.
3. Remove the drive belt. Refer to Drive Belt Replacement in SI.
Important
To properly perform Step 4, you MUST refer to and follow the referenced procedure.
4. Inspect the PS pump pulley and determine if it is flush with the PS pump shaft on the FRONT side. Refer to Corporate Bulletin Number
08-06-01-008A, Diagnosing Accessory Drive Belt/Serpentine Belt Noise and Use of Laser Alignment Tool in SI.
‹› If the inspection reveals that the PS pump pulley is properly aligned, then replace the drive belt. Refer to Drive Belt Replacement in SI.
Parts Information
Warranty Information
