Chevrolet Silverado / GMC Sierra. Service manual — part 2502

Fig. 41: Fog Lamp Aiming Procedure
Courtesy of GENERAL MOTORS CORP.

1. Park the vehicle on a level surface 7.6 m (25 ft) (3) away from a wall or other flat surface.

2. Measure the distance from the floor to the center of the fog lamp (5).

3. Using this measurement, mark the horizontal centerline of the fog lamp (1) on the flat

surface directly in front of the vehicle.

4. Remove the front portion of the front wheel liner in order to access the adjusting screw.

5. Turn ON the fog lamps.

6. Reach inside of the front portion of the fender liner in order to access the fog lamp vertical

adjustment screw on the bottom of the fog lamp.

7. Adjust the fog lamp so that the top edge of the fog lamp beam pattern is 100 mm (4 in)

below the horizontal centerline (2).

8. Turn OFF the fog lamps.

9. Secure the forward edge of the front fender liner.

2008 Chevrolet Silverado 1500

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

FRONT SIDE MARKER LAMP BULB REPLACEMENT (GMC)

Fig. 42: Front Side Marker Lamp Bulb Replacement (GMC)
Courtesy of GENERAL MOTORS CORP.

ROOF MARKER LAMP REPLACEMENT (U01)

Callout

Component Name

Preliminary Procedure:
Remove either the LF or RF headlamp assembly. Refer to Headlamp Replacement
(GMC HD) or Headlamp Replacement (Chevrolet).

1

Lamp Harness Socket
Tip: Rotate the marker lamp socket a quarter turn counterclockwise and
remove the lamp socket from the headlamp assembly.

2

Front Side Marker Lamp Bulb
Tip: Pull the front side marker lamp bulb straight from the lamp socket.

2008 Chevrolet Silverado 1500

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

Fig. 43: Roof Marker Lamp Replacement (U01)
Courtesy of GENERAL MOTORS CORP.

ROOF MARKER LAMP REPLACEMENT (MINUS SRW)

Callout

Component Name

1

Screw (Qty: 3)

Tighten: 2 N.m (18 lb in)

NOTE:

Refer to Fastener Notice .

2

Roof Outer Lamp Assembly
Tip: Lift the lamp cover lens and replace the bulb as needed.

2008 Chevrolet Silverado 1500

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

Fig. 44: Roof Marker Lamp Replacement (Minus SRW)
Courtesy of GENERAL MOTORS CORP.

PARK/TURN SIGNAL LAMP BULB REPLACEMENT (CHEVROLET)

Callout

Component Name

1

Screw (Qty: 2)

Tighten: 2 N.m (18 lb in)

NOTE:

Refer to Fastener Notice .

2

Roof Outer Lamp Assembly
Tip: Lift the lamp cover lens and replace the bulb as needed.

2008 Chevrolet Silverado 1500

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