Removal Procedure
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
A sudden release of pressure may cause personal injury or damage to the vehicle. The air suspension is under pressure until the air supply lines are disconnected.
IMPORTANT:
Use the following precautions when servicing the air suspension system:
- Wear gloves, ear protection, eye protection.
- Wrap a clean cloth around the air supply lines
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Remove the rear wheels. Refer to Tire and Wheel Removal and Installation .
- Lower the vehicle with the rear axle supported by jackstands.
- Raise or lower the vehicle until the D-height measurement is 25 mm (1 in) above the published D-height specification, 135 mm (5.33 in) for Trailblazer SS or 160 mm (6.33 in) for all other vehicles.
- Turn the ignition key to the ON position. This will partially deflate the air spring.
- After two minutes, turn the ignition key to the OFF position and remove the air suspension fuse. Refer to Electrical Center Identification Views .
- Raise or lower the vehicle so that the D-height is at published specification 110 mm (4.33 in) for Trailblazer SS or 135 mm (5.33 in) for all other vehicles.
- Disconnect the air spring level sensor link from the upper control arm.
- Disconnect the air spring level sensor electrical connector.
- Remove the air spring level sensor-to-frame mounting bolts.
- Remove the air spring level sensor from the vehicle.
IMPORTANT:
A D-height gage block (1) can be used to determine the D-height position. Create a D-height gage block using metal stock cut to 20 mm X 30 mm X the published D-height specification 110 mm (4.33 in) for Trailblazer SS and 135 mm (5.33 in) for all other vehicles. Use the block (1) as a measuring device only.