Compressor/Pump: Description and Operation

This assembly is a single-piston air pump powered by a 12 volt DC permanent magnet motor. The compressor head casting contains intake and exhaust valves plus a solenoid-operated exhaust valve which releases air from the system when energized. The compressor on Celebrity, Pontiac 6000 models is mounted under the body on the rear left side of the vehicle. On Bonneville, Brougham, Delta 88 & 98, Deville, Fleetwood, Electra, LeSabre, Park Avenue and 1989-90 full size station wagons the compressor is located on the left side of the engine compartment. On Eldorado, Riviera, Seville, Toronado and 1991-92 full size station wagons the compressor is located at the top of the rear suspension support.