GM Service Manual Online
For 1990-2009 cars only

    Notice: Refer to Engine Mounting Notice in the Preface section.


    Object Number: 855236  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Inspect for loose or missing bolts at the following locations:
  3. • The engine mount bracket to the engine
    • The engine mount to the frame
  4. Replace loose or missing bolts. Refer to the following procedures:
  5. •  Engine Mount Replacement - Left Side
    •  Engine Mount Replacement - Right Side

    Object Number: 374320  Size: SH
  6. Remove the starter, when checking the right side only. Refer to Starter Motor Replacement .
  7. Notice: When raising or supporting the engine for any reason, do not use a jack under the oil pan, any sheet metal, or the crankshaft pulley. Lifting the engine in an unapproved manner may cause component damage.

  8. Using a jack on the square tab at the rear of the engine block raise the engine in order to complete the following tasks:
  9. • Remove weight from the engine mount.
    • Place a slight tension on the rubber cushion.
    • Observe the engine mount while raising the engine.
  10. Replace the engine mount if the following conditions exist:
  11. • Heat check cracks cover the hard rubber surface.
    • The rubber cushion is separated from the metal plate of the engine mount.
    • There is a split through the rubber cushion.
  12. Lower the vehicle.