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TrailblazerSS
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Discussion Starter · #1 ·
Ok let's just give the whole story from the top...

Truck has leaked down overnight since I've had it years ago..one day driving down the interstate I hit a bump and the truck almost immediately went to the bump stops so I pulled over turned the truck off and back on and it aired back up and I drove home. In the weeks after that it would do it more often but always air back up. Then it got to where it would only air up when I shook the truck or wiggled the leveling sensor. Then I go to leave a buddies house and the compressor ran but wouldn't air up and I realized the driver side sensor arm was broke.

I ordered a new sensor and put it on..tried the removing the fuse and all of that but the compressor wouldn't kick on. I looked and found the trick removing the front bolt on the sensor so I made it where it would sit as high as possible...air compressor didn't kick on at all....rotated the sensor all the way to low and the air compressor ran for 5-10 seconds but nothing happened....

Anybody have an idea of what's going on? Compressor will air a tire and I've sprayed the bags before and didn't see a leak.
 

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38 Posts
Check the air lines and fittings on top of the airbags for leaks. I’d also check the lines and fittings at the pump itself. I had a bad line going into my pump and one to the airbag itself and that would overtime deflate the suspension. I ended up taking all the lines out of the fittings and made sure they looked good, and if not I cut the line end straight. Reinstalled and never had a problem since.
 

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258 Posts
I don't think it will kick on if therea too much variance from side to side. Did you get the as specific as sor, or the regular one? The arms are different lengths and will mess you up.
 

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'07 3SS 2WD
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551 Posts
Did you try to turn the pump on from the accessory panel? May have burned up the pump.
 
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