The auto level ride compressor may fail causing the rear of the vehicle to ride to high or too low.Google+
Car Problem Reports
Buick Roadmaster Auto Level Ride Compressor May Fail
Buick Roadmaster Problem
Average Mileage: 109,582 mi (106,856 mi - 113,890 mi)
Visitor, 1996 Buick Roadmaster, 113,890 mi
air compressor for rear air bags, dont work anymore.
Visitor, 1995 Buick Roadmaster, 108,000 mi
ELC compressor failed, leaving rear end of Roadmaster raised up HIGH-- This situation ALSO causes a severely rough ride, even when hitting small pot holes.
Visitor, 1993 Buick Roadmaster, 106,856 mi
Air shocks were not inflating. Come to find out compressor was unhooked. Reconnected compressor, only ran for a few seconds and then shut off. Replaced both rear air shocks and compressor. Rides like new