Suspension help.

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Blackbeard718

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I recently bought a yukon xl denali and need to replace the rear air shocks, since they are all so much I was wondering if anyone had a good pair to recommend. The ones on it appear factory which is crazy at 170,000 miles but have clearly burst at the bottom or worn through. The front have been replaced
 

Blackbeard718

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I recently bought a yukon xl denali and need to replace the rear air shocks, since they are all so much I was wondering if anyone had a good pair to recommend. The ones on it appear factory which is crazy at 170,000 miles but have clearly burst at the bottom or worn through.
The front have been replaced
 

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I recently bought a yukon xl denali and need to replace the rear air shocks, since they are all so much I was wondering if anyone had a good pair to recommend. The ones on it appear factory which is crazy at 170,000 miles but have clearly burst at the bottom or worn through. The front have been replaced
I’ve replaced the rear air shocks over the past 2 years on both of our XL Denalis, along with the air compressor on one of them. Super easy job. Now that I’ve done it there’s no way I would go with an aftermarket setup. The factory system is superb and reliable. Rock Auto has new OEM shocks for $250 each, and the Dorman compressor is a quality part if you need one. You can get the part number for your factory shocks off the label on your existing shocks as there are minor variations in the ones listed on Rock Auto.
 

HACK BLOCK

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I hear ya but that's the price for an exceptional ride that you're giving up.
im having this same issue now. truck needs some love and i dont have an issue spending the money because this will most likely be my forever truck, but if im gonna be spending $1200+ for it i want the best possible. so should i go new z55 all around or bilsteins with new springs and spend the leftover cash on maybe a suspension rebuild and sway bars?
 

Joseph Garcia

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im having this same issue now. truck needs some love and i dont have an issue spending the money because this will most likely be my forever truck, but if im gonna be spending $1200+ for it i want the best possible. so should i go new z55 all around or bilsteins with new springs and spend the leftover cash on maybe a suspension rebuild and sway bars?
In my opinion, you cannot beat the ride of the Z55 suspension in good condition. Please note that other folks have other opinions, as well.

Check rockauto.com and gmpartsdirect.com for better prices. Depending upon your mileage, you may not need new springs.
 

HACK BLOCK

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In my opinion, you cannot beat the ride of the Z55 suspension in good condition. Please note that other folks have other opinions, as well.

Check rockauto.com and gmpartsdirect.com for better prices. Depending upon your mileage, you may not need new springs.
im at 140k but will probably change the springs regardless.
 

Joseph Garcia

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im at 140k but will probably change the springs regardless.
I replaced my entire suspension at 145k miles, as the previous owner had stripped out the Z55 suspension and replaced it with a cheap passive system. I made the decision to replace all 4 springs with new ones in this replacement. I could not find OEM springs for the front struts, so I used a compatible Moog springs for the front.
 

HACK BLOCK

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besides the usual control arms, ball joints, tie rods what else should be changed in the front and rear?
 

swathdiver

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im having this same issue now. truck needs some love and i dont have an issue spending the money because this will most likely be my forever truck, but if im gonna be spending $1200+ for it i want the best possible. so should i go new z55 all around or bilsteins with new springs and spend the leftover cash on maybe a suspension rebuild and sway bars?
I'd go all GM OE and then ACDelco Gold/Professional and then Moog CK Series in that order if you find parts discontinued or not available.
 
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DaDenaliDude

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Hey guys so in the end I went with the Strutmasters conversion kit. Luckily they are in the same state as me and I saved myself $80 for picking it up in person. I’m planning on doing this tomorrow since I have this weekend off. I was wondering if anyone on here has the torque specs for the front top bolts on the struts and also for the 2 bolts that go under the strut. Also I will need it for shock absorber nuts in the rear and the sway bar links as well. I tried Google but I can’t get a straight answer on this. I was hoping someone on here might know.
 

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Joseph Garcia

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I don't have the torque specs handy, but other folks on this Forum will chime in.

You can reuse the bolts and nuts for the rear shocks. When removing/installing the top bolts and nuts on the rear shocks, be careful not to inadvertently disconnect the electrical connector that sits on top of the frame over the shock. A number of us here have inadvertently disconnected this electrical connector, and you will get a dashboard warning/error. If this happens, simply reconnect the electrical connector.
 
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DaDenaliDude

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I don't have the torque specs handy, but other folks on this Forum will chime in.

You can reuse the bolts and nuts for the rear shocks. When removing/installing the top bolts and nuts on the rear shocks, be careful not to inadvertently disconnect the electrical connector that sits on top of the frame over the shock. A number of us here have inadvertently disconnected this electrical connector, and you will get a dashboard warning/error. If this happens, simply reconnect the electrical connector.
Thanks for the tip. I haven’t got any more response. Hopefully someone will give me those specs soon because I’m going to start on this tomorrow morning first thing.
 

HACK BLOCK

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Same as the front but I know that the Dorman compressor is of good quality but think I read that it does not talk to the computer system like the OE. If OE shocks were not available, Arnott.
what I should have said was I never looked at the rear before so I don't know if it has control arms or what parts are back there that could need changing also
 

5StarCustmSolutns

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Same as the front but I know that the Dorman compressor is of good quality but think I read that it does not talk to the computer system like the OE. If OE shocks were not available, Arnott.

I went with the Dorman also. It's been 16mos or so with zero issues. Feel like it was marketed as an upgrade to 270psi? Interesting what you said about may not be comm with comp as much?

When you get a min, please let me know if I am I understanding these springs correctly? The Moog 81071 is the model used with Z55? and the 81069 is slightly stiffer for the passive systems w/o the air assistance?
 

5StarCustmSolutns

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I'd go all GM OE and then ACDelco Gold/Professional and then Moog CK Series in that order if you find parts discontinued or not available.
That's correct. They also use the 81071 on the older trucks with the Nivomat shocks.


Thank you. I've been struggling through this suspension decision making process. I've always been a bit of an over-analyzer....sometimes that's a blessing....and sometimes that's not a blessing.

Your other post(quoted above) caught my attention when I read it the other day. I started to say surely there are better aftermarket options out there but opted to keep learning. After several days of fairly intense searching I will say: there may have been better made/higher quality aftermarket springs out there at one time, but the shelves are pretty bare now!

Also, I took notice of your signature the first day I was on here....over the last couple weeks I've watched you and several others exhibiting the qualities described in Prov 1:2-5. :)
 

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