GM Service Manual Online
For 1990-2009 cars only

Condition

Action

DEFINITION: Harsh feel without causing an upshift or downshift. Concern is most noticeable with light acceleration or deceleration.

Engine or transmission mounts

    • Inspect the engine mounts and the transmission mounts for wear or loose mounting fasteners.
    • Replace any faulty engine or transmission mounts or loose fasteners.

Engine malfunction

    • Ensure engine is operating properly.
    • Repair engine to operate properly.

Drive shafts

    • Inspect the drive shafts for worn components.
    • Replace the drive shaft if worn.

Suspension system

    • Inspect suspension components.
    • Replace faulty suspension components.