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Headlamp Shakes at Night (Repair Radiator Support)

Subject:Headlamp Shakes at Night (Repair Radiator Support)

Models:2005-2007 Chevrolet Express Van
2005-2007 GMC Savana Van
with Base Lamp



Condition

Some customers may comment that the headlamp shakes at night.

Cause


Object Number: 1873710  Size: SH

The spring that retains the headlamp assembly to the radiator support may have pulled though the support as seen in the illustration above.

Correction

Install a flat washer to the left and right side radiator support spring anchor area.

  1. Remove the side marker lamps and turn signal. Refer to Park / Turn Signal Lamp Replacement (Base) in SI if necessary.
  2. Remove the grille. Refer to Grille Replacement (Base) in SI if necessary.
  3. Remove the bolts that retain the surge tank, air cleaner, pencil brace and the upper fan shroud to the radiator support.
  4. Mark the position of the hood latch and remove the latch from the support.
  5. Remove the eight bolts that retain the radiator support to the front fenders.
  6. Tilt the radiator support forward in order to gain access to the spring anchor area.
  7. Clean the spring anchor area with an all-purpose cleaner.

  8. Object Number: 1873712  Size: SH
  9. From the inside of the radiator support, install an 8 mm (0.31 in) flat washer to the damaged area. Use GM Instant Gel Adhesive to attach the washer to the support.
  10. Important: When making this repair, do both sides even if damage is not present.

  11. Install the headlamp spring.
  12. Install the radiator support.
  13. Install the eight bolts that retain the radiator support to the front fenders.
  14. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  15. Install the hood latch to its marked position and tighten the bolts.
  16. Tighten
    Tighten the bolts to 15 N·m (11 lb ft).

  17. Install the bolts that retain the surge tank, air cleaner, pencil brace and the upper fan shroud to the radiator support.
  18. Tighten

        • Tighten the surge tank bolt to 9 N·m (80 lb in).
        • Tighten the air cleaner bolts to 18 N·m (13 lb ft).
        • Tighten the fan shroud bolts to 6 N·m (53 lb in).
        • Tighten the pencil brace bolts to 18 N·m (13 lb ft ).
  19. Install the grille. Refer to Grille Replacement (Base) in SI if necessary.
  20. Install the side marker lamps and turn signal. Refer to Park / Turn Signal Lamp Replacement (Base) in SI if necessary.
  21. Check headlamp aim.

Parts Information

Part Number

Description

Qty

12345632 (U.S)

10953475 (Canada)

GM Instant Gel Adhesive

2

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

B9813*

Repair Radiator support

0.7 hr

Add:

Headlamp -- Aim

0.3 hr

* This is a unique labor operation for bulletin use only. The number will not be published in the Labor Time Guide.