How to replace the GMT800 Intermediate Steering Shaft (ISS)

[Wyley87]

Dose this clunking noise only happen when turning? My father in laws truck has a knocking sound in the dash when he drives over a bumpy road. I cant remember if its in the steering wheel or not. Its a 2006 gmc 2500HD.


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[PenguinLTZ]

Dose this clunking noise only happen when turning? My father in laws truck has a knocking sound in the dash when he drives over a bumpy road. I cant remember if its in the steering wheel or not. Its a 2006 gmc 2500HD.


Sent from my iPhone 4s

No, not only when turning. I have heard it in the scenario you mentioned. Entering every damn parking lot I would hear it on my '05

 

[Wyley87]

So this could be the issue?


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[Z71 Kris]

could be, I hear and feel it every parking lot or bump under 20 I hit...I need to drive 50 everywhere and hope the special "matched" tires hold the line...

 

[daddy]

Often, the brake pedal has a lot of play in it side-to-side as well and some of what you guys might be hearing is that vibration. Mine still does that plenty.

 

[Z71 Kris]

good to know

 

[Wyley87]

Is there a tsb for this?


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[txab]

Is there a tsb for this?


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Yes there is. But it's a TSB not a recall, so you pay for the repair on a 2006.

You can also have a bearing in the lower steering column cause this noise as well. The bearing is plastic and the steering shaft runs through it at the base of the column

 

[Wyley87]

Is there a tsb for this?


Sent from my iPhone 4s

Yes there is. But it's a TSB not a recall, so you pay for the repair on a 2006.

You can also have a bearing in the lower steering column cause this noise as well. The bearing is plastic and the steering shaft runs through it at the base of the column

How will I know if that is the problem vs the shaft? Will it be really loose/broken?

 

[Wyley87]

Bump


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