GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Title not found in the Preface section.


    Object Number: 1230434  Size: SH

    Notice: Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components.

    If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.

  1. Remove the exhaust manifold. Refer to Exhaust Manifold Removal .
  2. Remove the stabilizer. Refer to Stabilizer Shaft Replacement .
  3. Remove the front damping bush bolt and nut on the bracket side (2).
  4. Remove the front damping bush bolts on the crossmember side (3).

  5. Object Number: 1230435  Size: SH
  6. Remove the front bracket bolts on the engine block side (1).

  7. Object Number: 1230436  Size: SH
  8. Remove the engine mount front damping bush assembly and the front bracket (2).

  9. Object Number: 1230437  Size: SH
  10. Inspect the engine mount damping bush assembly for crack and damage (1).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1230439  Size: SH
  1. Install the front bracket bolts (1).
  2. Tighten
    Tighten the front bracket bolts on the cylinder block side to 35-41 N·m (25-30 lb ft).


    Object Number: 1230441  Size: SH
  3. Install the front damping bush bolts on the inner crossmember side (3).
  4. Tighten
    Tighten the front damping bush bolt on the inner crossmember side to 45-55 N·m (33-41 lb ft).

  5. Install the front damping bush bolts on the outer crossmember side (2).
  6. Tighten
    Tighten the front damping bush bolt on the inner crossmember side to 45-55 N·m (33-41 lb ft).

  7. Install the front damping bush bolt and nut on the bracket side (1).
  8. Tighten
    Tighten the front damping bush bolt on the bracket side to 68-83 N·m (50-62 lb ft).

  9. Install the stabilizer. Refer to Stabilizer Shaft Replacement .
  10. Install the exhaust manifold. Refer to Exhaust Manifold Removal .