GM Service Manual Online
For 1990-2009 cars only

Spring Sags or Bottoms Rear

Checks

Action

Inoperative shock absorbers

Replace the shock absorbers. Refer to Shock Absorber Replacement in Rear Suspension.

Broken spring leaf

Replace the shock absorbers. Refer to Shock Absorber Replacement in Rear Suspension.

Severe operation or overloading

Check the load capacity rating. Refer to Vehicle Certification Label in General Information.