Steering Box

[Stepside_fever95]

I am looking for a power steering box for my 1999 Suburban K1500 5.7. I found one that says it will fit a 1996 K1500 Suburban and up to a 1999 K1500 Silverado, but not a 97-99 Suburban. Was there any changes to the Suburban steering box through these years? I messaged the seller and they said it wouldn't fit my vehicle.

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[BOTTLEDZ28]

Get one from Redhead. All the other aftermarket ones are complete garbage and dont last long. You'll be changing it out in a year

All the boxes should be the same for the 1500 series trucks. The 2500 series had a bigger housing.

https://redheadsteeringgears.com/product/1997-1999-gm-suv-2/

 

[east302]

I would second the thought on avoiding a parts store reman.

There was, apparently, a change in the gearboxes, though it looks to be internal. I suspect that the mounting points are all the same.

1992-96 K1500 Suburban: GM part number 26052912

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1997-99 K1500 Suburban: GM #26100345

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[Supercharged111]

97+ got EVO, so my guess is it has something to do with that. What's bigger on the HD boxes? I put one in my 1500.

 

[Stepside_fever95]

Does redhead offer any discount codes? How long do they take on refunding your core charge?

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[gearheadE30]

FYI the earlier part numbers are different than the later ones in how the box's torsion valving is set up. If you install an early box with a late power steering pump, you will end up with heavier steering. I don't care for how overboosted GMT400s are stock, so my Tahoe Limited has the EVO delete and an early steering box - and it actually has some feel to it! If you like light steering, stick to the later box.

 

[Wilder Motorsports]

When I got mine from AGR Performance they really explained it well. You might give them a call. They machine their gearboxes for 2 bearings and 2 seals (28 and 63 I believe) on the first diagram.

A couple things that sold me on using them was they don't charge any core charges and they were in line with RH. They also build pumps so I felt that having a matched pump and gearbox from the same vendor was important and I got a 2 year warranty when I purchased their fluid which I needed anyway. I just unplugged the EVO connector and taped it up because thier pumps and gearboxes are not EVO compatible. They said nobody makes the EVO pump anymore but everything works great!

 

[UGLYTRUK]

I installed to lares steering boxe in my 1984 2500 Suburban 3/4 ton diesel, and another one in my now ex-wife 95 Suburban 2500 4 x 4 6.5 diesel. They're both junk. The one in the 95 had way too much steering effort, and I called them and the guy bs'd me.

There's something called a torque shaft, and it's kind of like a torsion bar. It determines how much steering effort you have. In a heavy truck you want the least amount of steering effort, it makes it easier to backup when you're moving a trailer around etc. Its not a sports car it's a truck, there's enough work to do with that cranking on the steering. After a few years, we yanked it and put a redhead in. It was a lot more money but you get what you pay for it. In my 84 there's a lot of play in the steering box, and it's just bargain rebuilds. I don't think it's much better than the original one that at 275 K. Same miles on the 95 6.5 Suburban. Volaris box retails for 150, and I ended up getting the local store to Discount into the $86 RockAuto price.

But it wasn't worth the huge amount of effort and time wasted.

When you call redhead, you can specify what torsion bar you want, anything from one-touch Lincoln Cadillac steering, to armstrong Trans Am 2.2 turns lock-to-lock. it's a simple matter of of changing the torsion bar when they're building the box. Lares claimed that they put in the original steering box torsion bar. I told the guy he was full of s*** in more pleasant words.

 

[east302]

FYI the earlier part numbers are different than the later ones in how the box's torsion valving is set up. If you install an early box with a late power steering pump, you will end up with heavier steering. I don't care for how overboosted GMT400s are stock, so my Tahoe Limited has the EVO delete and an early steering box - and it actually has some feel to it! If you like light steering, stick to the later box.

That was my experience as well. I have two 98 4x4 models both with functioning EVO, one is a truck and the other a Tahoe. I have a Blue Top brand in my Tahoe and it’s a heavier feel that is so much better than the stock one in my truck. The Blue Top that I have is the 96 and under style.

The external difference seems to be at the steering shaft connection. The earlier ones have a c-clip and larger opening.

96-under

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1997-98...

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[Stepside_fever95]

That was my experience as well. I have two 98 4x4 models both with functioning EVO, one is a truck and the other a Tahoe. I have a Blue Top brand in my Tahoe and it’s a heavier feel that is so much better than the stock one in my truck. The Blue Top that I have is the 96 and under style.

The external difference seems to be at the steering shaft connection. The earlier ones have a c-clip and larger opening.

96-under

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1997-98...

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So you're happy with your blue top? I'm sending mine off tomorrow to be rebuilt by them.

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