GM Service Manual Online
For 1990-2009 cars only

Steering Wheel Shake and/or Tire Wear (Inspect the Idler Arm and/or Pitman Arm)

Subject:Steering Wheel Shake and/or Tire Wear (Inspect Steering Linkage)

Models:2004-2007 Chevrolet Express 3/4 or 1 Ton
2004-2007 GMC Savana 3/4 or 1 Ton



Condition

Some customers may comment on a shake in the steering wheel or that the front tires have wear.

Cause

This condition may be due to excessive play in the idler arm assembly.

Correction

Inspect the front end components for wear . Refer to Symptoms Suspension General Diagnosis in SI. If the Idler arm is out of specification, replace the idler arm and pitman arm as a set with the new designed parts listed below. The new idler arm and pitman arm has a 3 degree angle built in. This will add in the clearance between the tie rod and the frame. Refer to Idler Arm Replacement and Pitman Arm Replacement in SI.

Parts Information

Part Number

Description

19178433

Idler Arm Kit (US)

31028263

Idler Arm Kit (Canada)

19168473

Pitman Arm Kit (3 Block Tooth Design)

19168944

Pitman Arm Kit (4 Block Tooth Design

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

E7960

Arm, Steering Idler - Replace

Use Published Labor Operation Time

Add

Arm, Pitman - Replace

Add

Toe, Front - Adjust