Hard Ride or Axle Bottoming Out. GMC Truck GMC P42 Commercial Chassis 1997

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC P42 Commercial Chassis 🢒 Suspension 🢒 Suspension General Diagnosis 🢒 Hard Ride or Axle Bottoming Out

Possible Cause	Action
Incorrect ride height	Correct the ride height control valve. Refer to Ride Height Adjustment in Air Suspension.