Chevrolet Silverado / GMC Sierra. Service manual — part 2501

FRONT FOG LAMP BULB REPLACEMENT (GMC)

Fig. 39: Front Fog Lamp Bulb Replacement (GMC)
Courtesy of GENERAL MOTORS CORP.

1

Tip: Transfer the bulb assembly as needed.

CAUTION:

Refer to Halogen Bulb Caution .

2

Fog Lamp Retainers (Qty: 3)

Procedure

1. Install the retainers back onto the fog lamp upper mounting studs.

2. Install the retainer onto the fog lamp adjusting screw.

3. Firmly push the lamp back into the lower bumper fascia until all three

retainers are engaged to the fascia.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

FRONT FOG LAMP BULB REPLACEMENT (CHEVROLET)

Callout

Component Name

Preliminary Procedures

1. Reach under the front air deflector in order to access the bulb socket.

2. Disconnect the electrical connector.

1

Fog Lamp Bulb

Tip: Squeeze the tabs and rotate the bulb socket in order to release the bulb
socket from the fog lamp assembly.

CAUTION:

Refer to Halogen Bulb Caution .

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 40: Front Fog Lamp Bulb Replacement (Chevrolet)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

1. Reach under the front air deflector in order to access the fog lamp bulb socket.

2. Disconnect the electrical connector.

1

Fog Lamp Bulb

CAUTION:

Refer to Halogen Bulb Caution .

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

FOG LAMP AIMING

The front fog lamps must be aimed for proper illumination of the road. The front fog lamp aim
should be checked when a new front fog lamp assembly is installed, or if service or repairs in the
front end area may have disturbed the front fog lamp mounting.

Preparation Procedure

1. Completely assemble all of the components on the vehicle.

2. Park the vehicle on a level surface.

3. Stop all unnecessary operations or work on the vehicle that affect the vehicle trim.

4. Close the doors and ensure that the vehicle has no load other than the driver.

5. Stabilize the suspension by rocking the vehicle sideways.

6. Ensure that the fuel level is 1/2 full.

7. Ensure that the tires are inflated to the proper pressure.

8. Ensure that the driver or a similar weight, approximately 75 kg (165 lb), is in the vehicle

driver seat.

Aiming Procedure

Tip: Squeeze the tabs and rotate in order to release the bulb socket from the fog
lamp assembly.

IMPORTANT: Horizontal aim is not adjustable on this vehicle. Vertical aim is

adjusted by an adjusting screw located on the bottom rear of the
fog lamp. Prior to aiming the fog lamps, perform the following
steps:

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado