Engine - Drive Belt Noise, P/S Pump Pulley Misaligned
File In Section: 6 - EngineBulletin No.: 77-60-02
Date: June, 1998
Subject:
Accessory Drive Belt Noise Due to Power Steering Pump Pulley Misalignment (Properly Align Pulley)
Models:
1996-98 Chevrolet and GMC C/K, M/L, S/T; G, P Models
1996-98 Oldsmobile Bravada
with 4.3L, 5.0L, 5.7L and 7.4L Engine (VINs W, X, M, R, J, N - RPOs L35, LF6, L3O, L31, L29, L19)
Condition
Some owners may comment on accessory drive noise.
Cause
The power steering pump pulley may be misaligned with the end of the pump shaft.
Correction
In addition to the normal service for the above condition, it is critical that the pulley is flush with the end of the power steering pump shaft. If it is not, reference the appropriate service manual for proper service instructions.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Labor Time
E836O Use published labor
operation time