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Old 03-28-2014, 09:37 AM   #1
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firestone air bags not holding air

In the process of de-winterizing my 2013 3050s and I noticed by air bags have no air in them. I tried inflating them but it doesn't seem to be holding any air - I honestly couldn't tell of the rear of the coach was raising. My guess is there a leak somewhere? Perhaps from sitting all winter???

I know the manual says they should always be inflated - at this point would I be doing any harm driving it with no air in them?
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Old 03-28-2014, 02:03 PM   #2
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It's easy to test all the fittings with soapy water to find any leaks and don't forget to check the air valve stem(s) for a slow leak. One of the air bags on my Air Lift 5000 wasn't holding air and was leaking at the valve stem which needed a little tightening.

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Old 03-28-2014, 02:12 PM   #3
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Originally Posted by Dave_Monica View Post
It's easy to test all the fittings with soapy water to find any leaks and don't forget to check the air valve stem(s) for a slow leak. One of the air bags on my Air Lift 5000 wasn't holding air and was leaking at the valve stem which needed a little tightening.

Dave
Agree. I just had same issue with my airlift bags. Got under truck with some soapy solution (stolen from grand daughter's one gallon bubble refill). Sprayed connections. No leak. Sprayed bags, each had pinhole leaks. Called airlift, new ones should be here today. Lifetime warranty. Hope you get it solved and resolved.

Sent from David's RAZR M.
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Old 03-28-2014, 02:24 PM   #4
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Quote:
Originally Posted by Dave_Monica View Post
It's easy to test all the fittings with soapy water to find any leaks and don't forget to check the air valve stem(s) for a slow leak. One of the air bags on my Air Lift 5000 wasn't holding air and was leaking at the valve stem which needed a little tightening.

Dave
Plumbed mine together and to an onboard compressor, no valve stems to leak and the compressor will automatically kick on if a bag/line/fitting starts to leak. So far after 14 yrs on 2 different trucks, no leaks. I really like my Air Lift set up.
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Old 03-28-2014, 04:32 PM   #5
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Yes oc. I have the onboard compressor also. Its been kicking on a lot lately to maintain psi due to leaky bags. burnt out one compressor. New bags just came in. Love the wireless system.

Sent from David's RAZR M.
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Old 03-28-2014, 04:35 PM   #6
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Yes oc. I have the onboard compressor also. Its been kicking on a lot lately to maintain psi due to leaky bags. burnt out one compressor. New bags just came in. Love the wireless system.

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Mine is the old style wired onboard. They didn't have the wireless 14 yrs ago when I bought mine.
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Old 03-28-2014, 05:02 PM   #7
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I had the firestone airbags on my 98 silverado and really like them.
Didn't have a on-board compressor just ran 2 lines to the bumper.(too cheap)
Anyway any pro's and cons to either system? I want to put air bags on my 09 silverado at some point. I was leaning towards the firestone but I could go with the airlift 5000.
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Old 03-28-2014, 05:24 PM   #8
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Are the bags inflating and then deflating over time, or are they just not inflating at all? If it's the latter, you may have ice in the lines (depending on your ambient temp.)
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Old 03-29-2014, 09:31 AM   #9
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You said they don't seem to be inflating.....

Did you check with and air gauge to see?

Mine never raised the motorhome, just kept it level if you hooked up a trailer.
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Old 04-10-2014, 10:18 PM   #10
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Mine is the old style wired onboard. They didn't have the wireless 14 yrs ago when I bought mine.
OC. Finally got to the bottom of my issue with leaking air. I wasn't losing air after all. The manifold was malfunctioning and was not letting air flow to the left side. I believe the compressor blew moisture into the manifold and the resulting rust has caused the valves to lock up.
The bad news is...... airlift no longer makes or sells the manifold I have (bought in 2009) so I can't replace it. They will sell me a "refurbished" manifold for $200+. Or rebuild mine for $75+.
So I think I'll try and refurbish mine myself. I can still use my bags with the Schrader valves. BTW, the new bags they sent me have Goodyear stamped on them and a built it jounce. Old bags didn't have that. New one are called airlift 5000 Ultimate! Wow. Lol.

Sent from David's RAZR M.
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