Content .. 2498 2499 2500 2501 ..
Chevrolet Silverado / GMC Sierra. Manual - part 2500
lamp vertical bulb centerline as it is projected onto the aim board.
16. If the location of the cutoff projected onto the board differs from figure 4 then an
adjustment to the beam pattern location is necessary.
Fig. 36: Measuring Horizontal & vertical Axis
Courtesy of GENERAL MOTORS CORP.
17. Adjust the vertical headlamp adjustment screw until the Right Gradient Line (Cutoff Line) is
set at the Horizontal Axis within +/- 2.0 inches (2) measured at 7.62 m (25 ft).
18. Verify proper aim location.
19. Repeat the aiming procedure for the passengers side headlamp while blocking the light from
projecting onto the screen from the drivers side headlamp.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
FRONT FOG LAMP REPLACEMENT (CHEVROLET)
Fig. 37: Front Fog Lamp Replacement (Chevrolet)
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Remove either the LF or RF wheelhouse liners. Refer to Front Wheelhouse Liner
Replacement - Left Side (Chevrolet) or Front Wheelhouse Liner Replacement -
Left Side (GMC) for the LF or Front Wheelhouse Liner Replacement - Right
Side (GMC) or Front Wheelhouse Liner Replacement - Right Side (Chevrolet)
for the RF wheelhouse liner.
2. Disconnect the electrical connector.
3. From inside the from bumper fascia, using a blunt instrument, pinch the retainers and
push outward on the 2 upper mounting studs for the fog lamp.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
FRONT FOG LAMP REPLACEMENT (GMC)
4. Using the same blunt instrument, pinch the retainer and push outward on the lower
adjustment screw for the fog lamp.
5. Aim the fog lamps after the fog lamp has been replaced. Refer to Fog Lamp Aiming.
1
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.
2
Fog Lamp Assembly
Tip: Transfer the bulb assembly as needed.
CAUTION:
Refer to Halogen Bulb Caution .
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 38: Front Fog Lamp Replacement (GMC)
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Remove either the LF or RF wheelhouse liners. Refer to Front Wheelhouse Liner
Replacement - Left Side (Chevrolet) or Front Wheelhouse Liner Replacement -
Left Side (GMC) for the LF or Front Wheelhouse Liner Replacement - Right
Side (GMC) or Front Wheelhouse Liner Replacement - Right Side (Chevrolet)
for the RF wheelhouse liner.
2. Disconnect the electrical connector.
3. From inside the from bumper fascia, using a blunt instrument, pinch the retainers and
push outward on the 2 upper mounting studs for the fog lamp.
4. Using the same blunt instrument, pinch the retainer and push outward on the lower
adjustment screw for the fog lamp.
5. Aim the fog lamps after the fog lamp has been replaced. Refer to Fog Lamp Aiming.
Fog Lamp Assembly
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Content .. 2498 2499 2500 2501 ..