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Old 12-16-2018, 02:56 PM   #1
Pmellor711
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Pmellor711

Hi gang,
I have air bags on my 3500.
1) should they hold air all the time(mine bleed down to nothing)
2) how much air should I use. We have a 39' mountaineer. Approximately 14,500lbs
Thanks for your input
Rick
 
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Old 12-16-2018, 04:31 PM   #2
1retired06
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We run at 55 PSI when towing. For us, two to three PSI loss per month.
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Old 12-16-2018, 05:10 PM   #3
Theunz
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I can only comment on the AirLift bags, they require a minimum of 5lbs. If you have the newer ones with the internal bumper than they say it won't hurt it to run at 0 psi but recommend 5 psi also, go figure! As far as when pulling your trailer, well that's just subjective. Start by putting enough to level your truck then adjust to suite.
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Old 12-16-2018, 06:29 PM   #4
DQDick
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Old rig and old truck I used 25# high and 3# low. New truck and rig we do 30# high and 5# low.
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Old 12-16-2018, 06:57 PM   #5
Lucky23
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We have airlift with on board compressor 45-50 with trailer on 5-15 empty
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Old 12-16-2018, 09:41 PM   #6
BuilderBob
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As far as how much air to carry you want your TV level! And they should not bleed down to nothing sounds like you have a leak. you can check it with soap & water mix and spray it on the bags and all the lines & fittings with air in the bags to see wear the leak is.
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