K 1500 Yukon Denali AWD V8-6.0L VIN U (2002)
Power Steering Pump: Customer Interest
Accessory Drive Belt - Whining Type Noise
File In Section: 02 - Steering
Bulletin No.: 01-02-32-007
Date: September, 2001
TECHNICAL
Subject:
Accessory Drive Belt Whine
(Reposition Power Steering Pump Pulley)
Models:
2001-02 Chevrolet and GMC C/K 1500 Series Utility Models
(Tahoe, Suburban, Yukon, Yukon XL, Denali, Denali XL)
Built at Janesville Assembly Plant (Plant Code J)
from December, 2000 through July, 2001
Condition
Some customers may comment on a whining-type noise that is audible in the vehicle's passenger compartment. This noise can typically be heard when
the vehicle is idling and may vary in pitch as engine RPM is increased.
Cause
The power steering (PS) pump pulley may be positioned too far inboard on the PS pump.
Correction
Inspect the PS pump pulley for proper positioning on the PS pump shaft. If it is determined that the pulley is not even/flush with the end of the shaft (+/-
0.25 mm (0.010 in) following the applicable Service Manual procedure and using J 25034-C, reposition the PS pump pulley.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer
