Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- If no damage to the air supply pipes is evident, then remove the fittings from the new compressor and use existing fittings that are already attached to air supply lines. Install the air supply lines with existing fittings to the air spring compressor.
Tighten: Tighten the air supply line fittings to 2.25 N.m (20 lb in).
NOTE: Refer to Fastener Notice in Cautions and Notices.IMPORTANT: Inspect the air supply lines for deep scores or cuts. If the air supply lines are damaged the lines must be replaced. - If damage is evident to the air supply lines, then replace the air supply lines. Refer to Air Suspension Air Line Replacement .
- Connect the air spring compressor electrical connection (2).
- Connect the air inflator switch electrical connection, air supply line, and air spring compressor vent hose to the air spring compressor.
- Install the air spring compressor to the frame mounting bolts.
Tighten: Tighten the air spring compressor to the frame mounting bolts to 20 N.m (15 lb ft).
- Lower the vehicle.
- Install the air suspension system fuse.
- Start the vehicle and run for approximately 1 minute to ensure that the air spring leveling system is functioning properly.
- Inspect D height. Refer to Trim Height Inspection Procedure in Suspension General Diagnosis.
- Inspect for leaks. If a leak is found at the air supply lines connections at the air spring compressor, replace the air supply lines. Refer to Air Suspension Air Line Replacement .