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09-12-2008, 07:19 PM
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Hummer Authority
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Join Date: Sep 2003
Location: Canada
Posts: 1,251
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Re: ***Air Ride Suspension - What do I do?***
you just need to take it to the dealer and with the tech 2 scan tool need to read the ride height sensor voltages. If they are out of range what i have done is modify the sensor arms to put the height sensors within spec by cutting out part of the arm if they are too long and welding them back together. once the sensors are reading in spec just set the rear height by eye and do a trim height learn with the scan tool. Whenever the sensors are out of range a code will set and the system will be disabled. Hope that helps. expect them to charge 2 to 3 hours to figure it all out and do the mods but then the system will work.
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09-13-2008, 01:35 AM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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Re: ***Air Ride Suspension - What do I do?***
Thanks for the usefull info. I just got it back today, airbags are out, coil springs are in. After a day full of calling my mechanic, my lift place, and the GM Hummer dealer mechanic, I found that you were right on the money Humtech. The thing that sucks, is that my airbags have been removed, and I still have to F*** with the stupid ride height sensors, and the modification of the arms. You see, even though the air bags were pulled out, the "Service Air suspension" light still stays on, because you cannot remove the ride height sensors, otherwise it will be there permanantly (the error code on the dash). So, I have coil springs now, the F***ing problem is still not fixed, and I am just not happy at all. At least now it is driveable. Now I just have to find somewhere where they will be willing to work with me on getting the ride height sensor bs under control. What a pain in my ass.
__________________
Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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09-13-2008, 01:49 AM
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Hummer Authority
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Join Date: Oct 2003
Posts: 1,118
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Re: ***Air Ride Suspension - What do I do?***
I pulled my air suspension completly out and put the coils in sometime ago (20,000 miles) and have never had the "service air suspension" light come back on.
http://www.elcovaforums.com/forums/s...air+suspension
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09-13-2008, 09:30 PM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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Re: ***Air Ride Suspension - What do I do?***
Easy Ed, what all did you do when you pulled out the air ride, did you just pull out the airbags? Did you leave the ride height sensors in? I still have that damn error code on, even after pulling out the airbags. I wonder if I need to take something else out, or leave something in that I didn't, let me know what you did on yours if you could, I could really use the experienced example. I really want to avoid going and paying labor at a dealership, to figure out the ride height sensor crap. Knowing my luck, I will end up paying someone to do something and it won't get fixed. Any info you can give me would help big time, I just want to fix my problem, and I am already into it to many thousands of dollars to keep paying out.
__________________
Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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09-13-2008, 11:41 PM
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Hummer Authority
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Join Date: Oct 2003
Posts: 1,118
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Re: ***Air Ride Suspension - What do I do?***
H2Much, Just about everything is gone as seen in the one picture in the above link I referenced, sensors, electrical, mechanical, compressor module, compressor itself, all went bye bye
Might be a couple wires left under the dash and hood that were a pain to get at but when I was done removing everything that I could get out of the truck I disconnected the negative battery cable for a bit to reset the "computer" and the light on the dash has never came back on.
If you still have sensors and the compressor module and the like in the truck the computer is looking at them as not working and then throwing the code is all I can think of
HUMTECH might have the correct part or parts that need to be removed but I think with me using the grenade approach I hit upon the right part by chance.
Ed
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09-15-2008, 05:07 AM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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Re: ***Air Ride Suspension - What do I do?***
Thanks Ed, after the last 2-3 weeks dealing with this, I almost went off and did what you did. I am glad someone knows what I am going through on this. I just think it is absolutely ridiculous that someone somewhere hasn't created a process, or a kit, to use on a Hummer that has had a lift, or that might have air ride issues, to fix the damn issue. It seems like after talking to the dealership, and all of the other mechanics, that nobody knows anything, and everyone is too dumb to find the answer as to what to do or how to fix it. That is just plain stupid. Hopefully I can figure out an easy fix. Thanks again.
__________________
Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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09-15-2008, 07:00 PM
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Hummer Authority
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Join Date: Sep 2003
Location: Canada
Posts: 1,251
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Re: ***Air Ride Suspension - What do I do?***
Try to just unplug the module connector on the side of the compressor assembly then disconnect the battery. That should work but ive never tried it.
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