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Old 12-13-2014, 10:32 PM   #1
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Maintenance on Air Lift System

I know many folks on here have the Air Lift system on their tow vehicles. I wanted to share a solution to a problem should it arise.

My truck has 2 of these systems and a year ago I had problems with one of them. I tracked it to the modulator that tells the compressor to turn on and off. I called the factory and they replaced the unit. Now a year later and the same manifold stopped sending signals to the compressor again.

It was determained that the manifold was located below the compressor which meant the manifold was collecting moisture.
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Old 12-14-2014, 12:37 AM   #2
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Dave
Is your unit mounted inside the cab or outside?
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Old 12-14-2014, 12:55 AM   #3
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Both systems are mounted outside.
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Old 12-14-2014, 03:37 AM   #4
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I could see moisture maybe being a problem with outside mounting. Mine is under the back seat in my CC.


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Old 12-14-2014, 06:52 AM   #5
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I might have to move mine into the bed of the truck and see if that helps. I already have too much under the seat of the truck and I wouldn't want the noise.
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Old 12-14-2014, 05:11 PM   #6
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Dave,
Doesn't the compressor bring in moisture, regardless of where the components are mounted?

On my last truck, the Dealer put a manual release valve in the dash which was convenient, but sometimes exhausting that air inside the cab was not the most pleasant smell It smelled like pulling the valve core out of your bike or car tire - kind of rubbery -blech-.
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Old 12-15-2014, 04:33 AM   #7
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Dave, your compressor should only run when the bags need aired up. Once up it shouldn't run anymore unless you have a leak. Your Kelderman might be different than just my AirLift bags though.


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Old 12-15-2014, 04:21 PM   #8
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That makes sense, except mine will need another 1 or 2 more compressor runs to settle down once rolling.
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Old 12-15-2014, 04:33 PM   #9
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Quote:
Originally Posted by markw View Post
Dave, your compressor should only run when the bags need aired up. Once up it shouldn't run anymore unless you have a leak. Your Kelderman might be different than just my AirLift bags though.


Mark

Mine does pretty good but must have some leaks somewhere. It will kick on each time I start the truck for a few seconds and then a couple of times a day when I'm pulling the Redwood. Like I said before, I have 2 different compressors and they each have a different sound so sometimes it sounds like they're trying to harmonize.
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Old 12-15-2014, 04:45 PM   #10
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Ours does the same... I presume it 'settles' when parked and will go 'brrppp' for less than a second when started...

Even noticed on the BIGGEST bumps that it will fool it a bit...
My guess is that it needs a LITTLE longer 'lag' time so it doesn't immediately fill if it senses a low air condition...

Maybe it's the electronics guessing it needs more air, then realizes it doesn't ?!?


but even with that - about my favorite thingy on the truck, especially with the wireless remote right by by knee !
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