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For 1990-2009 cars only

Power Steering, Steering Wheel Shudder/Vibration During Low Speed Parking Maeuvers (Replace Power Steering Assembly Hose)

Subject: Power Steering, Steering Wheel Shudder/Vibration During Low Speed Parking Maneuvers (Replace Power Steering Assembly Hose)

Models:2007 Cadillac Escalade, Escalade ESV, Escalade EXT
2007 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2007 GMC Sierra, Yukon, Yukon XL, Yukon Denali, Yukon Denali XL
Built Prior To May 30, 2007
Excluding Pickup Models with 4.3L V6 Engine (VIN X - RPO LU3)



This bulletin in being revised to update the Warranty Information. Please discard Corporate Bulletin Number 08-02-32-001 (Section 02 -- Steering).


Condition

Some customers may comment on a shudder or vibration in the steering wheel during low speed parking lot maneuvers.

Cause

This vibration/shudder may be caused by unstable fluid flow characteristics inside the power steering hose assembly.

Correction

Important: DO NOT replace the power steering pump or gear.

Technicians are to replace the power steering inlet hose assembly with P/N 25858603.

Refer to SI for power steering inlet hose removal and installation procedures.

Parts Information

Part Number

Description

Qty

25858603

Hose, Power Steering Gear Inlet

1

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

E8622

Hoses, Power Steering Hydraulic - Pressure - Replace

Use Published Labor Operation Time