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Fig. 33: Headlamp Bulb Replacement (GMC) HEADLAMP BULB REPLACEMENT (CHEVROLET) Callout Component Name Preliminary Procedure: 1 Headlamp Bulb (Hi) CAUTION: Refer to Halogen Bulb Caution . 2 Headlamp Bulb (Lo)
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 34: Headlamp Bulb Replacement (Chevrolet) Callout Component Name Preliminary Procedure: 1 Headlamp Bulb (Hi) CAUTION: Refer to Halogen Bulb Caution . 2 Headlamp Bulb (Lo)
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
HEADLAMP AIMING (CHEVROLET/GMC) Headlamp aiming is done with the low beam lamps. The high beam lamps will be correctly aimed Screen Method for Headlamp Aiming (Visual Aim) The screen method requires an area set up specifically for headlamp aim. The area should consist of a level surface large enough to allow for a vehicle and an additional The screen should be a wall or other flat surface at least 1.52 m (5 ft) high by 3.66 m (12 ft) wide After the aiming screen has been set up and located, paint or tape a reference line on the floor Headlamp Aiming Procedure 1. Align the left tires of the vehicle with the reference line extending from the screen with the headlamps aligned with the reference line. 2. Remove any snow, ice or mud from the vehicle. 3. The vehicle should be fully assembled and all other work stopped while the headlamp aiming is being done. 4. The vehicle should contain cargo or be loaded to represent normal vehicle use. 5. Tires should be properly inflated. 6. Rock the vehicle to stabilize the suspension. 7. Measure from the floor to the center of the lamp bulb on the vehicle. Some lamps have an aim dot marked on the lens. 8. At the screen, measure from the floor and place the horizontal tape at the measured distance.
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 35: View Of Left Headlamp Bulb Centerline & Measured Distance 9. Measure from the reference line on the floor to the left headlamp bulb centerline (1). 10. At the screen, measure from the reference line and place the vertical tape at the measured distance (2). 11. Measure from the reference line on the floor to the right headlamp bulb centerline. 12. At the screen, measure from the reference line and place the vertical tape at the measured distance. 13. Turn the headlamps ON. 14. Block the light from projecting onto the screen from the passenger side headlamp. This will allow the cutoff in the beam pattern from the drivers side to be more pronounced for easier 15. On this vehicle you will be verifying the aim of the vertical cutoff on the right side of the IMPORTANT: DO NOT cover the headlamp, this may cause excessive heat build up.
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Lighting - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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