my roadmaster sedan is off and sitting in my garage, but it sounds like an air compressor is running in the rear of the car. what could be making this noise?

Asked by Jan 04, 2015 at 06:46 PM about the 1993 Buick Roadmaster Limited Sedan RWD

Question type: Maintenance & Repair

1 Answer

115,795

Air suspension compressor, either the level sensor has failed, the control unit or the relay has stuck closed.

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