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For 1990-2009 cars only

Headlamp(s) Appear to Vibrate or Flicker (Adjust Mounting Tab Tension)

Subject:Headlamp(s) Appear to Vibrate or Flicker (Adjust Mounting Tab Tension)

Models:2000-2001 Pontiac Grand Prix



Condition

Some owners may comment that the headlamps appear to be vibrating or flickering when in use.

Cause

This condition may be due to insufficient tension between the outboard metal mounting tab on the radiator core support and the plastic mounting tab on the headlamp bracket.


Object Number: 816443  Size: SH

Correction

Increase the tension between the outboard metal mounting tab (1) on the radiator core support and the plastic mounting tab on the headlamp bracket using the following procedure:

  1. Remove the two 10 mm hex head bolts attaching the headlamp to the vehicle.
  2. Remove the headlamp assembly from the vehicle. It is not necessary to disconnect the electrical connector.
  3. Bend the outboard metal tab (1) rearward approximately 2 mm (3/32 in).
  4. Install the headlamp assembly to the vehicle and install the two 10 mm hex head bolts.
  5. Tighten
    Tighten the bolts to 6 N·m(53 lb in).

    Important: It is not necessary to aim the headlamp(s) after performing this procedure.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

B7288 *

Headlamp/Composite Assembly, Composite -- Replace Right

0.2 hr

B7289 *

Headlamp/Composite Assembly, Composite -- Replace Left

0.2 hr

*These labor operations are for labor only and include the time required for adjusting the metal tab. Headlamp aiming is not required.