GM Service Manual Online
For 1990-2009 cars only
    • If the ride is too soft, inspect for the following conditions:
       - Worn strut dampers
       - Incorrect or weak springs
    • Inspect for diagnostic trouble codes in the computer command ride system.
    • If the ride is too harsh, inspect for the following conditions:
       - Incorrect strut dampers
       - Incorrect springs
       - Excessive friction in control arm bushings
    • Inspect for diagnostic trouble codes in the computer command ride system.