GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the hood.

  2. Object Number: 621983  Size: SH
  3. Reposition the underhood wiring junction block from the front fender diagonal brace. Refer to Underhood Electrical Center or Junction Block Replacement .

  4. Object Number: 621980  Size: SH
  5. Remove the bolt from the front end sheet metal diagonal brace at the inner fender.
  6. Remove the bolts from the front end sheet metal diagonal brace at the radiator support.

  7. Object Number: 621982  Size: SH
  8. Remove the front end sheet metal diagonal brace.

Installation Procedure


    Object Number: 621982  Size: SH
  1. Position the front end sheet metal diagonal brace to the radiator support and to the inner fender.
  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.


    Object Number: 621980  Size: SH
  3. Install the bolts to the front end sheet metal diagonal brace at the radiator support.
  4. Tighten
    Tighten the front end sheet metal diagonal brace at radiator support bolts to 10 N·m (89 lb in).

  5. Install the bolts to the front end sheet metal diagonal brace at the inner fender.
  6. Tighten
    Tighten the front end sheet metal diagonal brace to the inner fender bolts to 10 N·m (89 lb in).


    Object Number: 621983  Size: SH
  7. Reposition the underhood wiring junction block to the front fender diagonal brace. Refer to Underhood Electrical Center or Junction Block Replacement .
  8. Close the hood.