GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 736786  Size: SH
  1. Remove the through bolts and washers from both of the rear engine mount brackets.
  2. Important: When supporting the engine to replace a mount, raise the engine only to the height required to provide clearance for the mount removal. You may need to drain the cooling system and disconnect hoses to avoid damage when the engine is raised. Be careful that control linkage and wiring are not damaged from raising the engine. When replacing a single front mount, both mounts should be detached before attempting to raise the engine. Failure to do this will place excessive stress on the attached mounts when the engine is raised.

  3. Raise the engine.
  4. Remove the rear mounting bolts and nuts.
  5. Remove the rear engine mounts from the mounting brackets.
  6. Remove the nuts and washers from the rear mounts.
  7. Remove the rear mounts from the frame rail.

Installation Procedure


    Object Number: 736786  Size: SH
  1. Install the rear mounts to the frame rail.
  2. 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.

  3. Install the nuts, bolts, and washers to the rear mounts.
  4. Tighten
    Tighten the bolts and nuts to 108 N·m (80 lb ft).

  5. Install the rear mounting brackets and bolt to the engine.
  6. Tighten
    Tighten the rear mounting bracket bolt to 76 N·m (57 lb ft).

  7. Lower the engine.
  8. Install the through bolts to the rear mounts.
  9. Tighten
    Tighten the through bolts to 294 N·m (217 lb ft).