GM Service Manual Online
For 1990-2009 cars only

Engine Mount Replacement Coupe

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Remove the engine splash shield. Refer to Radiator Air Lower Baffle and Deflector Replacement .

  4. Object Number: 1229791  Size: SH
  5. Remove the engine mount to engine mount bracket nuts.

  6. Object Number: 1229784  Size: SH
  7. Remove the motor mount to frame nuts.
  8. Using a suitable jackstand, raise the engine.
  9. Remove the motor mount from the vehicle.

Installation Procedure


    Object Number: 1229784  Size: SH
  1. Position the motor mount on the frame.
  2. Use the jackstand to lower the engine mount bracket on to the engine mount.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the engine mount to frame bolts.
  5. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).


    Object Number: 1229791  Size: SH
  6. Install the motor mount to motor mount bracket nuts.
  7. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  8. Install the engine splash shield. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  9. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  10. Lower the vehicle.

Engine Mount Replacement Convertible

Removal Procedure


    Object Number: 1749989  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Place a block of wood on a adjustable floor jack, and place the jack under the oil pan in order to support the engine.
  3. Remove the engine mount to engine mount bracket bolts.

  4. Object Number: 1749990  Size: SH
  5. Remove the engine mount bolts.
  6. Remove the engine mount.

Installation Procedure


    Object Number: 1749990  Size: SH
  1. Place the engine mount into position on the engine compartment side rail.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the engine mount bolts.
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1749989  Size: SH
  5. Install the engine mount to engine mount bracket bolts.
  6. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  7. Remove the floor jack and block of wood from under the oil pan.
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.