Steering box for 03 Tahoe question

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tx tahoe z71

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So it looks like my steering box is worn out as my steering input isn't reflected on the steering box output (my friend turns the wheel, but the pitman arm doesn't move much).

I called up the dealership to get the p/n, 88965542, for a 2003 Tahoe Z71 4wd. I asked if the 2wd p/n was the same, he said no, 26110836 for 2wd. I would like to go to a junk yard and pick one up and don't want to have to find a 4wd truck to get one.

He speculated the difference was due to the steering ratio. Can anyone elaborate on this or confirm this? Which ratio is higher (I imagine 2wd but don't know for sure)?
 

SunlitComet

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Do not know about ratio differences But I looked at pictures of both and the cast house structure is different between the two.
 
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tx tahoe z71

tx tahoe z71

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Do not know about ratio differences But I looked at pictures of both and the cast house structure is different between the two.

Really? Interesting. Bolt pattern the same?

I believe the pitman arm is the same for both, which is why I feel like they are interchangeable.
 

SunlitComet

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It appears so but the mounting lugs faces on the 4wd gear seamed to be receased more into the gear body. Now the pitman arm mount centire line looks to be move outward a similar amount as the lugs are so I would guess it would be becuase of mounting and clearance issues.

I did see the price of a 4x4 is $255 and 4x2 is $218. There is not much of a price different if you are concerned about that. I was suprised that the core charge $200 & $100 respectively They are both remand by a-1 cardone which is a good company.
 
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tx tahoe z71

tx tahoe z71

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Cool, thanks for the info!

You have a link you could PM me? Those are way cheaper than what I have been finding.

Mainly I was asking b/c a guy is parting out an 05 Escalade 2wd with 42k miles and I could pick up the steering box for cheap.
 

SunlitComet

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http://www.oreillyauto.com/site/c/home.oap

Just use the store locator on the bottom of the page to find the nearest on to you. I think I found over 40 in your city.

They will probably ask about two options your vehicle might have. Y91 and BPH
You will find them on your build options sticker probably in your glove box or on a door frame.
 
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