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<H1>Clunking Noise Under Hood and Can Be Felt In the Steering Wheel (Lubricate Intermediate Steering Shaft Assembly) #00-02-35-003B - (01/24/2003)</H1></TABLE>Clunking Noise Under Hood and can be felt in the Steering Wheel (Lubricate Intermediate Steering Shaft Assembly)


2002-2003 Cadillac Escalade, Escalade EXT


1999-2003 Chevrolet Silverado


2000-2003 Chevrolet Suburban, Tahoe


2002-2003 Chevrolet Avalanche


1999-2003 GMC Sierra


2000-2003 GMC Yukon, Yukon XL


2003 HUMMER H2


With Recirculating Ball-Type Steering


This bulletin is being revised to add model years and models and Correction information. Please discard Corporate Bulletin Number 00-02-35-003A (Section 02 -- Steering).<A name=ss1-1230187><A href="http://service.gm.com/servlets/BlobShtml?ShtmlFile=1230187&pubid=297&evc=sm#ss1-1230187" target="_blank">
<H5>Condition</A></H5>


Some customers may comment on a clunk type noise coming from under the hood that also can be felt in the steering wheel. These conditions may be more noticeable when turning at low speeds on rough road surfaces.<A name=ss2-1230187><A href="http://service.gm.com/servlets/BlobShtml?ShtmlFile=1230187&pubid=297&evc=sm#ss2-1230187" target="_blank">
<H5>Correction</A></H5>



<H4>Important</H4>


DO NOT REPLACE THE FOLLOWING INTERMEDIATE STEERING SHAFT P/Ns
<UL =BULLET>
<LI>26085548
<LI>26049343
<LI>26083324
<LI>26088325
<LI>15772436
<LI>26078079 </LI>[/list]





Remove the intermediate shaft from the vehicle and lubricate the intermediate shaft with a Steering Column Intermediate Shaft Lubrication Kit, P/N 26098419. Follow the service procedure below.

  1. <LI =1>Set the front wheels in the straight-ahead position.
    <LI =1>Set the steering wheel in the LOCK position.



    <LI =1>From inside the vehicle, remove the upper bolt from the upper intermediate steering shaft (1) to the steering column connection.



    <LI =1>From under the hood, remove the lower bolt that connects the upper intermediate shaft to the steering gear coupling shaft.
    <LI =1>Remove the upper intermediate steering shaft assembly.
    <UL =BULLET>
    <LI>From inside the vehicle, slide the shaft down and off the steering column shaft.
    <LI>From under the hood, slide the shaft towards the dash in order to disengage the shaft from the steering gear coupling shaft.
    <LI>From inside the vehicle, slide the upper intermediate shaft through the dash boot seal and remove the shaft from the vehicle. </LI>



<LI =1>Remove the spacer clip from the end of the intermediate shaft with a pair of needle nose pliers.
<LI =1>Fully extend the shaft by pulling the two shafts apart.

<A href="http://service.gm.com/servlets/RetrieveTif
 

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I had this service done to my clunking '02 several times, to no avail. It became a real problem to get a dealer to believe it was something else, they all insisted this had to be it. The shaft got replaced once or twice, too. Didn't help a bit.

Finally had the steering box bearing changed. At the time there was no TSB for this procedure but people were talking about it on TDP and I managed to talk my dealer into trying it. Problem solved. It's now 40K miles later and still fixed.

Just a heads-up that there's more than one possible source for a steering column rattle.
 

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I just started getting the clunking noise on my 03 2500HD, only 5000 miles on it, took it to the dealership today and service tech said it was the westin nurf bars somehow making the noise, too the truck home and the bars are tight,, actually had teh bars on since 200 miles and the clunking at low speed and slow turns started last week...
 
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