GM Service Manual Online
For 1990-2009 cars only

Engine Mount Strut Bracket Replacement Upper Radiator Support

Removal Procedure


    Object Number: 61850  Size: SH
  1. Remove the engine mount strut from the engine mount strut bracket at the upper radiator support. Refer to Engine Mount Strut Replacement .

  2. Object Number: 61851  Size: SH
  3. Remove the bolts from the engine mount strut bracket.
  4. Remove the engine mount strut bracket from the upper radiator support.

Installation Procedure


    Object Number: 61851  Size: SH
  1. Position the engine mount strut bracket over the upper radiator support. Ensure that the engine mount strut bracket and the engine mount strut are aligned to the proper holes of the upper radiator support.
  2. Install the bolts to the engine mount strut bracket.
  3. Tighten
    Tighten the bolts to 28 N·m (21 lb ft).

    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.


    Object Number: 61850  Size: SH
  4. Install the engine mount strut to the engine mount strut bracket at the upper radiator support. Refer to Engine Mount Strut Replacement .

Engine Mount Strut Bracket Replacement Left Side

Removal Procedure


    Object Number: 105883  Size: SH
  1. Remove the left engine mount strut from the left engine mount strut bracket. Refer to Engine Mount Strut Replacement .

  2. Object Number: 61845  Size: SH
  3. Remove the bolts from the left engine mount strut bracket to the cylinder head.
  4. Remove the left engine mount strut bracket.

Installation Procedure


    Object Number: 61845  Size: SH
  1. Install the left engine mount strut bracket.
  2. Install the bolts through the engine mount strut bracket to the cylinder head.
  3. Tighten
    Tighten the bolts to 70 N·m (52 lb ft).

    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.


    Object Number: 105883  Size: SH
  4. Install the left engine mount strut to the left engine mount strut bracket. Refer to Engine Mount Strut Replacement .

Engine Mount Strut Bracket Replacement Right Side

Removal Procedure

  1. Disconnect the battery ground (negative) cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.

  2. Object Number: 105887  Size: SH
  3. Remove the right engine mount strut from the right engine mount strut bracket. Refer to Engine Mount Strut Replacement .
  4. Remove the horizontal bolts/screws from the air conditioning compressor. Set the air conditioning compressor aside. Refer to HVAC.

  5. Object Number: 155767  Size: SH
  6. Remove the vertical bolt from the right engine mount strut bracket.
  7. Remove the lower bolt from the right engine mount strut bracket.
  8. Remove the right engine mount strut bracket.

Installation Procedure


    Object Number: 155767  Size: SH
  1. Position the right engine mount strut bracket over the pin locator.
  2. Install the lower bolt through the right engine mount strut bracket to the cylinder block.
  3. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

    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. Install the vertical bolt through the right engine mount strut bracket to the cylinder head.
  5. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

  6. Install the horizontal bolts through the air conditioning compressor and the right engine mount strut bracket into the engine block. Refer to HVAC.
  7. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 105887  Size: SH
  8. Install the right engine mount strut to the right engine mount strut bracket. Refer to Engine Mount Strut Replacement .
  9. Connect the battery ground (negative) cable. Refer to Battery.