REAR AIR SUSPENSION DROPS

2003 GMC Envoy

Tiny

bennettair193

March, 27, 2012 AT 4:24 PM

I currently have the SUV in the dealership because the rear air ride suspension keeps dropping about 2 1/2 inches after the car sits for about 3 hours. The suspension drops evenly on both sides. Initially the service dept told me I needed to replace the air bags and the compressor, but the leak still occurs at the same rate after the items were replaced. They have checked for errors in the computer system, but nothing comes up. They tried re-setting the system, but that didn't work either. Now I am being told that a certain amount of droppage is expected, but I have had the car for 6 years and this is the first time this has happened.

Any ideas on what this might be?

3 Answers

Tiny

rasmataz

March, 27, 2012 AT 4:33 PM

-Sounds like its leaking somewhere or a problem with air suspension leveling sensor-

Tiny

Wrenchtech

March, 27, 2012 AT 4:57 PM

Yes, it has a leak and it sounds like the dealer just jumped to the wrong conclusion and didn't check it out thoroughly enough.

Tiny

xpf1xp

March, 28, 2012 AT 7:18 PM

I had a similar issue, that was a leak at the connection between the compressor and accessory output in the cargo area.

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