Air suspension always inflates to the max ride height

2002 GMC ENVOY
120,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
RUNNER13
  • MEMBER
  • 1 POST
Every time I turn on my vehicle the rear air suspension always inflates to the max ride height. I have deflated when the vehicle is running, but if I shut of the vehicle and turn it on again. The air suspension will re inflate to the max ride height.
Apr 8, 2019 at 3:54 PM
Advertisement
Avatar
CARADIODOC
  • CERTIFIED EXPERT
  • 34,306 POSTS
Start by checking the height sensor by the rear axle. There will be a linkage connected to the axle housing. A good suspect is that linkage popped apart on one end and the sensor is telling the computer the rear needs to be raised a little. Of course, no matter how high the rear goes, the sensor will not move.

If that linkage is okay, the next suspect would be the sensor is defective.
Apr 8, 2019 at 11:48 PM