gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Compressor/Pump Relay, Suspension Control > < Compressor/Pump, Suspension Control|Locations|Page 12499
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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.

6. Lower the vehicle.

Compressor/Pump Relay, Suspension Control > < Compressor/Pump, Suspension Control|Locations|Page 12499