For 1990-2009 cars only
Accessory Drive Belt Whine (Reposition Power Steering Pump Pulley)
| 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:
Labor Operation | Description | Labor Time |
|---|---|---|
E8360 | Pulley, Power Steering Pump - Adjustment | 0.4 hr |
