GM Service Manual Online
For 1990-2009 cars only

Important: Follow the balance procedure in the order listed in the following steps. Powertrain mounts must be tightened in sequence.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  2. Object Number: 1376073  Size: SH
  3. Loosen the front transmission mount through bolt. Do not remove.

  4. Object Number: 851620  Size: SH
  5. Loosen the rear transmission mount through bolt. Do not remove.
  6. Shake the powertrain vigorously from front to rear and allow powertrain to settle.
  7. Notice: Refer to Fastener Notice in the Preface section.

  8. Tighten the rear transmission mount through bolt.
  9. Tighten
    Tighten the bolt to 100 N·m (74 lb ft).


    Object Number: 1376073  Size: SH
  10. Tighten the front transmission mount through bolt.
  11. Tighten
    Tighten the bolt to 100 N·m (74 lb ft).

  12. Lower the vehicle.