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Old 06-07-2013, 08:10 AM   #51
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Join Date: Jul 2010
Location: Waynesville
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Originally Posted by zogg View Post
I just installed the air lift 5000 bags on my 2011 GMC 2500 hd. I was very meticulous and took my time routing the air lines, and the whole install took about 3 hours. I did not have to remove the rear wheels, and I am not sure it would have even helped...I worked around them to install the bags over the axle and most of the rest of the work is done underneath the truck.

I must say that everything fit perfectly...very high quality kit, good instructions, and no grinding or drilling (for non-5th wheel).

I filled the bags with 30 pounds (no compressor) and went for a ride...pretty dang rough empty. i have not had a chance to tow with it yet, but will be towing next weekend.

Anyway, I dropped them to 10 pounds the next day (let them sit over night and still had 30 pounds-no leaks...hurrah). Took a drive with 10 pounds and still rode pretty rough...jarred the heck out of me on rough roads.

Dropped the pressure to 5 pounds, and the jolts over harsh bumps were still way too hard to take. I tried 3 pounds and it was still an awful ride.

I know many folks say they ride good with 5-10 pounds of pressure, but it does not work on my truck....

I left all the air out and it rides like before the install, of course. I know they recommend 5 pounds of pressure, but I cannot see how the bags could be distorted or trashed. They just sit there. Actually, there is air in them, just no pressure. There is nothing for them to hit on, and I do not do any off-roading

I have read several posts on other forums where guys have run zero pressure without issues....guess we will see over time.

I am looking forward to towing the first time with them....will let you all know!
What is your (True) ready to go down the road tongue weight? What type of W/D hitch are you using? What flagged your need for air bags. I have used air lift bags in the past,when unloaded they had 5-10psi. Youroo!!

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Old 06-07-2013, 10:21 AM   #52
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Location: Auburn, GA
Posts: 966
My dually actually rides best at 12 psi. A buddy's F250 rides great at 20. His other truck rides best at 5 psi. Do a little playing with it. You may actually like 3-5 psi best. When loaded, play with it too. It may take a while to try the different settings, I would try them in 5 pound increments until you get it right. That is the main reason I went with an onboard compressor so I could adjust on the fly. I found this out after towing down a couple of different interstates with changing road conditions. Now, I can change the pressure as the road conditions change.

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2013 F350 6.7L Lariat 4x4 CC DRW,Viair 1007, Ride-Rites, Edge CTS, B&W
2001 Chevy 3500CC DRW 4x4, 8.1L, 4.10 gears w/ Detroit TrueTrac
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Old 06-07-2013, 10:32 AM   #53
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Join Date: Jun 2011
Location: KC area
Posts: 1,400
Being that they are rubber, I would guess there is some break in.

My truck had them installed when I picked it up. They had 30 psi in them (mine has the Firestone kit with in cab controls and pressure gauge) and the ride was horrible. On the fly I dropped it to 20, got better...dropped it to 10, got better, dropped it to 0 and was better. Firestone recommends you keep 5psi in the bags so I inflated back to 5 psi and cannot tell a difference between that and 0. I have no way of knowing, but would estimate the bags have been on the truck several years.


2013 Coachmen Freedom Express 320BHDS pulled by a 2005 F250 King Ranch CC

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