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Bulletin No.: 06-02-32-007G
Date: April 05, 2010
Subject: Clunk, Knock or Rattle Noise From Front of Vehicle While Driving or Turning Over Bumps at Low Speeds (Diagnose Noise and Perform Outlined Repair)
Some customers may comment on a clunk noise heard and felt in the steering wheel while driving at slow speeds and turning. The clunk noise may appear to be directly in front of the driver. Hitting a bump while turning can produce the clunk noise. Sometimes the noise may be duplicated when the vehicle is sitting still and the steering wheel is turned 90 degrees in either direction before initially centering the steering wheel.
The clunk noise may be caused by a slip/stick condition between the inner and outer components of the intermediate shaft.
Electric Assist Power Steering
First Design - Bare Steel Tube (Lube OK)
Second Design - Black Painted (DO NOT Lube)
In the unlikely event that the source of the noise is identified as a second design shaft with black painted tube, it must be replaced.
Correction 1 (Only for First Design - DO NOT USE FOR 2ND DESIGN)
Lubricate the intermediate shaft with steering column shaft lubrication kit, P/N 26098237.
There may be interference between the clamp and the steering gear input shaft. The clamp is beveled and if forced down on the input shaft too hard, it may cause a loose fit with the intermediate shaft to input shaft joint.
To correct this condition, perform the following steps:
Some customers may comment on a knocking or rattling type noise from the front of the vehicle when driven at low speeds and over bumps. The noise only occurs when the steering wheel is in the straight ahead position and sounds like the noise is in the left suspension of the vehicle or directly in front of the driver.
Order Adhesive Back Shim Stock from Kent Automotive at 1-888-YES-KENT or online at www.kent-automotive.com.
For vehicles repaired under warranty, use the table above.