GM Service Manual Online
For 1990-2009 cars only

The following components can only be adjusted minimally:

    • The hood
    • The front fenders
    • The hood hinges
  1. Inspect the structural body for damage or misalignment. Refer to Alignment Checking in Frame and Underbody.
  2. Loosen the hood hinge bolts/screws and adjust the following components:
  3. • The hood
    • The bumpers

Raising or Lowering Rear Corners of Hood

Hood Adjust Front Bumper

  1. Close the hood firmly.
  2. Determine the amount of adjustment needed. The gap tolerance is 2-6 mm (0.08-0.24 in). The flush tolerance is -2.0 to +2.0 mm (-0.08 to +0.08 in).
  3. Open the hood.
  4. Change the height by turning the hood bumpers up or down.
  5. Repeat steps 1 through 4 until the hood is properly aligned.

Fore and Aft Adjustment


    Object Number: 318920  Size: SH

    Important: Adjust one side at a time for the best appearance.

  1. Loosen the following components:
  2. 1.1. The hood hinge to body bolts/screws (4)
    1.2. The nuts (5)
  3. Move the hood forward or rearward. The gap tolerance is 2-6 mm (0.08-0.24 in). The flush tolerance is -2.0 to +2.0 mm (-0.08 to +0.08 in).
  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.

  5. Install the following components:
  6. 3.1. The nuts (5)

    Tighten
    Tighten the hood hinge nuts (5) to 25 N·m (18 lb ft).

    3.2. The hood hinge to body bolts/screws (4)

    Tighten
    Tighten the hood hinge to body bolts/screws (4) to 10 N·m (89 lb in).