Envoy 4WD V8-5.3L VIN M (2005)
Air Spring: Service and Repair
Air Spring Leveling Sensor Replacement
Air Spring Leveling Sensor Replacement
Removal Procedure
1. Raise and support the vehicle.
2. Remove the rear wheels.
3. Lower the vehicle with the rear axle supported by jack stands.
4. Raise or lower the vehicle until the D-height measurement is 25 mm (1 in) above the published D-height specification 160 mm (6.33 in).
5. Turn the ignition key to the ON position. This will partially deflate the air spring.
6. After two minutes, turn the ignition key to the OFF position and remove the air suspension fuse.
Important: A D-height gauge block (1) can be used to determine the D-height position. Create a D-height gauge block using metal stock cut to
135 mm (5.33 in). Use the block (1) as a measuring device only.
7. Raise or lower the vehicle so that the D-height is at published specification 135 mm (5.33 in).