Sierra Classic 3500 4WD V8-6.0L (2007)
Instrument Panel Bulb: Service and Repair
Instrument Cluster Bulb Replacement
Removal Procedure
Important: This procedure calls for the replacement of incandescent bulbs only. The light emitting diodes (LEDs) are not replaceable
individually. If LED or soldered-in incandescent bulb replacement is needed, send the cluster to an AC Delco Service Center. Refer to
Instrument Cluster Replacement.
1. Remove the instrument panel (I/P) cluster.
2. Unclip the I/P cluster rear cover plate by prying gently on the tabs with a screwdriver.
3. Remove the rear cover plate from the I/P cluster.
4. Remove the bulb and base assembly by turning the bulb 1/2 turn counter clockwise and pulling outward.
5. Remove the bulb from the base by pulling outward.
Installation Procedure
Important: This procedure calls for the replacement of incandescent bulbs only. The light emitting diodes (LEDs) are not replaceable
individually. If LED or soldered-in incandescent bulb replacement is needed, send the cluster to an AC Delco Service Center. Refer to
Instrument Cluster Replacement.
