GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 General Information 🢒 Vibration Diagnosis and Correction 🢒 Engine Front Mount Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 644878 Size: SH
  2. Remove the nuts (2) securing the front engine mount (1) to the engine frame.
  3. Remove the engine frame. Refer to Frame Replacement in Frame and Underbody.
  4. Remove the upper bolts securing the front engine mount bracket to the cylinder head.
  5. Remove the nuts securing the front engine mount bracket to the engine block.
  6. Remove the bolt securing the brace to the transaxle.
  7. Remove the transaxle support brace.
  8. Remove the front engine mount and the bracket.

Installation Procedure

    Object Number: 644878 Size: SH
  1. Position the front engine mount bracket to the engine.
  2. Loosely install the upper bolts securing the front engine mount bracket to the cylinder head.
  3. Install the transaxle support brace.

    4. 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.

  4. Loosely install the transaxle support brace and the two lower front engine mount bracket nuts.

    5. Tighten
    Tighten the nuts and bolts in the following sequence:

    4.1. Tighten the lower engine mount bracket nuts to 41 N·m (30 lb ft).
    4.2. Tighten the transaxle support brace bolt to 50 N·m (37 lb ft).
    4.3. Tighten the upper engine mount brace bolts to 50 N·m (37 lb ft).
  5. Install the engine frame. Refer to Frame Replacement in Frame and Underbody.
  6. Install the nuts (2) securing the front engine mount (1) to the engine frame.

    7. Tighten
    Tighten the front engine mount nuts to 50 N·m (37 lb ft).

  7. Lower the vehicle.