Installation Procedure

Fig 1: Removing/Installing Air Compressor Brackets

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install the 2 brackets on the air compressor with 2 screws.
Tighten: Tighten 2 screws to 7 N.m (62 lb in).

Fig 2: Removing/Installing Air Compressor Air Hose At Two Places

Courtesy of GENERAL MOTORS CORP.

Connect the air hose to the air compressor at 2 places.
Install the air dryer on the air compressor. Refer to Automatic Level Control Air Dryer Replacement .

Fig 3: View Of Air Compressor & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the heat shield on the air compressor bracket with three bolts (Do not install the fourth heat shield bolt. It must be installed after the air tube is connected).
Tighten: Tighten the bolts to 4 N.m (35 lb in).
Install the air compressor connector to the connector anchor.

Fig 4: Identifying Air Compressor Assembly

Courtesy of GENERAL MOTORS CORP.

Install the air compressor assembly on the vehicle with 2 nuts and 2 bolts.
Tighten:
- Tighten the bolts to 9 N.m (80 lb in).
- Tighten the two nuts to 9 N.m (80 lb in).
Connect the harness connector to the air compressor connector.
Install the intake air filter on the vehicle.

Fig 5: View Of Air Compressor & Bolts

Courtesy of GENERAL MOTORS CORP.

Connect the air tube to the air dryer.
Connect the air tube and the harness tie to the air compressor bracket with the bolt.
Tighten: Tighten the bolt to 4 N.m (35 lb in).

IMPORTANT: Before driving the vehicle, turn the ignition on and wait approximately 45 seconds. This will ensure that the air adjustable shock absorbers are filled with residual pressure.

Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.