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QX56 Suspension/Handling Problem

55293 Views 45 Replies 21 Participants Last post by  Kooshtaka
I have a 2007 QX56 and am looking for some solutions to the poor handling characteristics of the rear air shock and suspension. When driving on highway and I encounter grooved pavement, the rear end sways and will cause loss of control and excessive movement over bumps. On snow/ice pack, occasionally cause complete loss of contact.

On normal driving, hitting bumps in a turn, often causes the rear end to "jump". I notice that the suspension does not do a good job of "damping", instead, magnifies the motion. Especially side way motion, or "yaw".

Does anyone have suggestions for rear suspension modifications that would improve handling and reduce body roll and sway? I have changed the front shocks out with good coilovers and that has helped--the local 4x4 shop is recommending custom spring coils from Deaver to stiffen the rear end (I also tow 8000 lb rv.).

Finally, the air shocks will not hold the normal 750lb tongue weight below 30 degrees F....the dealer says nothing wrong, but in summer, I have no problems.

Thanks for any advice.
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you may need your ride height adjustment in back reset or re-adjusted.

itrs the same for the same year armada so search the "how to" section to find out what to do.

if you are handy mechanically, grab the service manual for your year car online ands it will show you the ride height adjustment senros in back that you can adjust.
Have a air shock compressor question. One of the air hoses for the rear shock came out. The whole connector came out. The one with the orange push and pull ring. I was able to put it back in and it stays but will not hold the air pressure. It now has a slow leak. Thinking there was a washer or something that came out with it. Is is possible to get a new connector or need a new compressor. Stealership said new compressor for $450. Ouch! Any thought? Thanks
Sorry I posted a new question in yours. Sorry about that.
News UPDATE!!!!

thebassn8tr and I are working with a parts place that is working with ICON shocks to develop bolt-on rear shocks for Armada and older QX people. They know there are dampening issues and it sounds like they'll work with us to dial it in.

Sorry to semi thread jack. lol
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