GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Engine Mount Bracket Replacement - Right Side

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the right front fascia extension. Refer to Front Bumper Fascia Extension Replacement in Bumpers.
  3. Support the engine assembly with a suitable jack.

    4. Object Number: 642913 Size: SH
  4. Remove the nut securing the right engine mount to the right engine mount bracket.
  5. Lower the jack allowing the engine to lower slightly.

    6. Object Number: 642916 Size: SH
  6. Remove the three fasteners securing the right engine mount bracket to the engine.
  7. Remove the right engine mount bracket stud.
  8. Remove the right engine mount bracket.

Installation Procedure

    Object Number: 642916 Size: SH
  1. Position the right engine mount bracket to the right engine mount stud and engine.
  2. Apply thread lock compound GM P/N 12345493 (Canadian P/N 10953488) or equivalent, to the right engine mount bracket bolts.
  3. Loosely install the two lower right engine mount bracket bolts.
  4. Apply thread lock compound GM P/N 12345493 (Canadian P/N 10953488) or equivalent, to the right engine mount bracket stud.

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the right engine mount bracket stud to the engine.

    6. Tighten
    Tighten the right engine mount bracket stud to 8 N·m (71 lb in).

  6. Install the right engine mount bracket nut to the engine.

    7. Tighten
    Tighten the right engine mount bracket fasteners to 60 N·m (44 lb ft).

  7. Raise the engine into position.

    8. Object Number: 642913 Size: SH
  8. Install the nut securing the right engine mount to the right engine mount bracket.

    9. Tighten
    Tighten the right engine mount nut to 80 N·m (59 lb ft).

  9. Remove the engine support jack.
  10. Install the right front fascia extension. Refer to Front Bumper Fascia Extension Replacement in Bumpers.
  11. Lower the vehicle.