Power steering gear box 2003 Silverado Diesel - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 08-16-2010, 06:26 PM   eBay Motors  #1 (permalink)
 
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Power steering gear box 2003 Silverado Diesel

Completely stock. Need to change the PS gear box. Looks pretty straight forward....However, how do you get access to remove the fluid lines from the gear box.

I will be renting a Pitman puller.

If anyone can tell me the correct steps to remove and install it would be helpful. Wrench sizes, how I can avoid screing things up, etc.

Thanks, Jim
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Old 01-15-2011, 02:36 PM   eBay Motors  #2 (permalink)
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Did you ever find a write up on this job? Was it a hard job I see mine is leaking pretty good
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Old 01-20-2011, 03:27 AM   eBay Motors  #3 (permalink)
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It is not all that hard of a job to do. Here is how I did mine "twice, Autozone gear boxes suck".

1st remove driverside inner fender well.

2nd remove both skid plates

3rd remove the drivers side CAC pipe

4th disconnect the pitman arm from the center link with a puller "leave pitman arm on gear box"

5th lock the steering wheel with a rope or tool, to keep it from turning "cloaking spring is not cheap"

6th remove both hoses from the top of the gear box

7th remove the bolts that hold the gear box to the frame

Now it is ready to fall out. I leave the Pitman arm attached to the gear box, seeing I am not going through all this work without getting a new one anyways. I will let the people who get the core for the gear box deal with getting it off
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Old 01-20-2011, 08:28 AM   eBay Motors  #4 (permalink)
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Thanks for the response. I see they make a seal kit for the gearbox also its only twenty some bucks maybe should try that first the gearbox is a little pricey
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Old 01-21-2011, 04:58 AM   eBay Motors  #5 (permalink)
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Originally Posted by Duramax HarleyHauler View Post
Thanks for the response. I see they make a seal kit for the gearbox also its only twenty some bucks maybe should try that first the gearbox is a little pricey
I wish I would have just did replaced the seals in mine. I have tore mine out now a few times as the ones from NAPA,Advance all have a Sh*t tone of play in them. When I say play, I mean you can turn the wheel from 11:00 to almost 1:00 before the wheels move

IIRC I am on my 4th gear box now "not counting the factory" and finally got lucky as it has only minor slop in it "still more than the factory on had though".
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Old 01-21-2011, 09:18 AM   eBay Motors  #6 (permalink)
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Buy a gear box from psc motorsports, they specialize in rebuilding them and i think they have a very good warranty with them. I know a couple guys tryed them and they said there trucks drive like new. I am going to get one soon. later, here is the link to them.

GM Steering Gears | Steering Gear and Components | GM | PSC Motorsports - performance power steering
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Old 01-21-2011, 11:08 AM   eBay Motors  #7 (permalink)
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I'm not sure about ours... but I know on the older Chevys, you could tighten the gearbox.
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Old 01-22-2011, 03:10 AM   eBay Motors  #8 (permalink)
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Originally Posted by Snoman View Post
Buy a gear box from psc motorsports, they specialize in rebuilding them and i think they have a very good warranty with them. I know a couple guys tryed them and they said there trucks drive like new. I am going to get one soon. later, here is the link to them.

GM Steering Gears | Steering Gear and Components | GM | PSC Motorsports - performance power steering
I have also read good things about PSC, and wish I would have heard about them when I first started replacing mine. If I get sick of the little bit of slop in mine that I have become used to, I am contacting them first.

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I'm not sure about ours... but I know on the older Chevys, you could tighten the gearbox.
Yes they still do, kind of a pain to get to but it can be done. With all the gear boxes I returned, I tried to fix it with tightening the Alen bolt first. You could make it so tighten it till it would bind the steering a little and the play was still there.
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Old 05-16-2011, 05:04 PM   eBay Motors  #9 (permalink)
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When you do the seal kit do you have to take out the gearbox still? Sorry dumb question
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