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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 04-15-2004, 03:28 PM
Dan Dan is offline
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You mean like this?:

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  #2  
Old 04-13-2004, 05:36 PM
cinci cinci is offline
 
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Passion,

I believe the air suspension rides better on the road. I have approximately 24K miles on mine with no problems.

If you are going to go off road I don't think there is any question. The extra departure and break over angles alone are worth the extra expense. Also while the compressor is slow, about 10 minutes a tire to go from 16-45lbs, some type of air is a requirement for off roading.

One of the trucks that goes with us did have a problem with one of the rear sensors and the dealer replaced it under warranty. I expect to have a sensor go out at some point, almost everything breaks if you off road enough, but the benefits out way its limitations IMHO.
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  #3  
Old 04-05-2004, 09:28 PM
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Check the "all time running compressor", start the engine, go off the truck, shut the door(s), and the air suspension will levelling the truck. If the airtank is fully loaded and the truck is levelled, the compressor shut down and you don't hear any air noises, maybe it levels for second or two again but then the compressor isn't running until you take a step at the sidebars or something which will unlevel the truck. This airsuspension is controlled by two seperatly mounted rear sensors, each side had it own, thats totally indepent and different to the other trucks, maybe the range rover are little familiar to this system. So "ken P" are on the right way with his comment, but when you check it like I discribe after a minute or so the compressor will be off. Send me the bucks for the "louder exhaust" you dont need, in my bank for this tricky tip!!!!!!!!!

Easter Greetings from Bavaria Germany, Oktoberfest State
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  #4  
Old 04-15-2004, 11:26 PM
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I used to think that picture was total BS, but I got mine airborne. The guys watching said I caught 3-4 feet of air off of the top of a dune. I was only going maybe 45mph, so if this guy had a better run at it I could see how he did it.
But I doubt the rig was unscathed.
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  #5  
Old 04-19-2004, 08:28 AM
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Hi,

Of course, I’m still alive and ready for next challenge. Due to the very heavy weight and large dimensions of the H2, we weren't able to do the same as my ex-Wrangler.[The H2 went to some places where the Wrangler was and still dreaming about].


Pictures and Video will come; I’m preparing a website to post them.

P.S: My calculation of Inch was incorrect, as we use here cm and not inches and Km instead of Miles. So instead of 15 inch it's 15 cm, and instead of 60 miles it's 60km, but I don’t think it will be done with the H2.

Regards
Elie
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  #6  
Old 04-19-2004, 08:06 PM
Bevo Bevo is offline
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Sorry Viz,
Should have been replying to H2 Passion. OK H2P, tell us all about your exploits!
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  #7  
Old 04-18-2004, 04:53 PM
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Yo Viz,
Still waiting on pics/video... Are you in the hopsital, or did GM put you in jail for destroying a loaner?
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  #8  
Old 04-15-2004, 11:52 PM
Easy Ed Easy Ed is offline
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Copied below from here http://www.motortrend.com/roadtests/...11/index1.html

"We stepped out onto the dunes with the goal of testing the H2s sand-clawing prowess and to snap a few quick pictures of the Hummer having fun. However, the wind was blowing strong and a good sandblasting was the last thing any of us wanted, so we moved with speed. After some hill-climb testing, Steve Daxer was asked to perform a mild jump off one of the dunes for photo purposes -- a challenge he quickly accepted. As the nearly 6700-pound H2 approached the lip of a sizable dune, I knew something memorable was about to happen. Somehow my "not too much speed" request was overlooked, and consequently, the copper H2 sailed off the dune with unbelievable height. We all waited to see exactly how many pieces would explode off the H2 upon landing, but amazingly, the big rig sucked up the crash-down with amazing ability. Steve asked if he should do another jump (for photo purposes, of course) but I figured it was best that we leave while everything remained attached and still functioning."
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  #9  
Old 04-13-2004, 05:03 PM
H2 Passion H2 Passion is offline
 
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Hi,

If heavy loads and towing conditions are not important for me, neither the lift of some Inch, Will the Air suspension help in driving contol and stability of the H2?

Elie
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  #10  
Old 04-05-2004, 08:54 PM
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Hi from Overseas, we fixed it today. Forget all the memories about the pcm or acm. The only thing which will fix it is to reinstall the rear sensors, mount on the frame of the axle. Dismount it and move the potenialmeters in every direction to clean it up. Reinstall it, bring the Truck in the right height with the axle on the ground, start the engine and the compressor will do his work, the service air suspension light go off and a dtc is set only in the history of the pcm. delay this with a scantool (not necassaery). The rear sensors are made of plastic ( not a joke) and when I will go out in the fields with my one, I have two spare part sensors in the trunk!!!!!!!
Best wishes to GM for installing 5$ Dollar Plastic goodies in a area where a rock or other things in offroad doin, not need much work to kill it. Maybe the next Generation (H3) has also plastic wheels, maybe there cheap to get in Mexico.
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  #11  
Old 04-16-2004, 01:09 AM
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That is a great article and I love that pic.
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  #12  
Old 04-13-2004, 09:00 PM
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I agree with Hummer Man(ic)
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  #13  
Old 04-13-2004, 08:39 PM
Hummer Man Hummer Man is offline
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H2PASSION, NO!
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  #14  
Old 04-12-2004, 05:16 PM
visualghummer visualghummer is offline
 
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Elie,

Hate to say it... But if I had to pick... I would not get the Air suspension... I'm the one that started this thread, my system failed at 1,300 miles... and was a major problem to iron out... But maybe GM fixed the problems in 2004 models.

regards,
jim
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  #15  
Old 04-13-2004, 10:35 PM
H2 Passion H2 Passion is offline
 
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Hi,

Thanks to all of you and for your comments, I still have until Friday to choose with or without the air suspension especially it’s offered for FREE.

I can see from your comments that some Lucky H2 owners didn’t have any problem and some did.

And also I can see that most air suspension problems have been fixed when visiting the dealer, unless of someone still having problems after trying to fix it, pls inform me if available.

But I’m still confused with my choice; I will try to explain what really I want from my H2 to do.

From my experience with 4x4: I always drive them by going On-Road to Off-Road without stopping, I go over 10 to 15 inch barrage at a speed of 60 miles and more and also jumping vertical from a road of 15 -20 inch to another lower road at higher speed than 70 miles.

I imagine myself driving the H2 at Maximum speed in Off-road racing like Reno race, i think 60% of it.
Hummer Off-Road Race

As I said before, I’m ordering all the necessary edelbrock shock and SMA trailing arms and Panhard Rod to feel free when I will do the crazy off-road driving. No mercy, No way to go slowly on off-road. (Excluding the Extreme Off-Road of Rocks where you can fall down in a big valley).

So, forgetting the lift, the heavy loads, the towing condition , if I will drive the H2 like I explained in my previous paragraph, will the Air suspension will be better to handle them and is it made for this type of driving or it’s better without it ?

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Elie
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  #16  
Old 01-27-2004, 08:59 PM
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One of the most complained about problems at my local dealer is a "noise coming from the back of the truck". I kid you not. These folks either forgot they had or did not know about the air suspension.

As I understand, the air will kick on anytime the truck feels it is not level and release when it is. Thus you hear it often.

The quick fix, and I need to mention this on another thread, is to get a louder exhaust .

Black Lingenfelter Lux
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  #17  
Old 01-28-2004, 04:41 PM
visualghummer visualghummer is offline
 
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Paragon,

I totally agree... It's not normal.. I had a Expedition with air suspension, it would go days without clicking on... But if all the hummers do it, the dealer is going to say it's normal...

WRT: programming... I develop and maintain a few web sites... java, Cold Fusion, Php and python..

regards,
jim
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  #18  
Old 12-01-2003, 11:17 AM
cmb31078 cmb31078 is offline
 
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It's got the gangsta lean.... Or it is just getting sleepy Let us know what they say. I have the air suspension also and I am curious.

Craig

04 Pewter H2- Lux,nav, air suspension
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  #19  
Old 01-29-2004, 09:48 PM
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Let me just add that when you take your H2's in and if the dealer says they "can't reproduce the problem", it is very, very important to tell them about it and ask to have it fixed each and every time you take it in. I just cannot stress how important it is to get it all down on the paperwork. And if they don't have the problem listed on your paperwork when you go to pick your H2 up and just try to tell you about it instead, verbally intead of on paper, as happened to me at least a few times, then just tell them you'll take the loaner back and tell them to address the issue and call you when they've got it taken care of, or not taken care of as the case may be...just make sure that it is listed on the paperwork!!! "Cannot reproduce the problem" four, five, six times does not reflect well on GM if and when you ever need the lemon law.
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  #20  
Old 01-28-2004, 01:14 PM
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They know they have an issue with the air suspension. Mine was idling in my driveway and I was outside of it and it would continually air up and then air down. It's even done it after cutting the ignition off, apparently all night long as it ran the battery down.

They have new programming, some new sensor, etc. to do but I don't think they really know for sure why it does this.
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