Rear air suspension cold weather operation - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Brakes, Suspension, Wheels and Tires > Suspension

Suspension Suspension

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Old 01-03-2018, 12:38 PM
smahan1973 smahan1973 is offline
Junior Member
 
2004 Buick Rainier
Black 4.2L I6 AWD
Join Date: Jan 2018
Location: New York
Posts: 1
Rear air suspension cold weather operation

A couple of weeks ago, I noticed that my 2004 Buick Rainier was lower than normal. I started it up, and the compressor for the air suspension did not come on. We had just had an ice storm, and after the temperature got above freezing, the compressor started and leveled the rear. Now we are in the middle of a polar vortex, and the suspension is not leveling again. I have looked at some diagrams for the system, but I can't figure out what might be too cold to operate. I was thinking that a pressure switch may be frozen, but I haven't been able to find one, only the leveling sensors. One last thing, I don't have access to a garage to just leave it in for a couple of hours. I also would like to figure out how to stop this from happening in the future.
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