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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 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) 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 - 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 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) 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 - 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
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