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To adjust the headlights on a 2003 GMC Sierra, first park the vehicle on a level surface about 25 feet from a wall. Turn on the headlights and mark the center of the beam on the wall using tape. Then, locate the adjustment screws on the headlight assembly—usually found at the top and side of each headlight. Use a screwdriver to turn the screws until the beam is aligned with the marked tape.
What else can I help you with?
How do you adjust GMC Denali headlights?
how do you adjust 2002 Denali headlights
What size engine does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has a V6 engine.
How many valves does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has 16 valves.
What size engine does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has a V8 engine.
How many valves does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has 12 valves.
Is the 2003 GMC Sierra-1500 electric or gas?
The 2003 GMC Sierra-1500 is a gas-powered vehicle.
What kind of transmission does the 2003 GMC Sierra-1500 have?
The 2003 GMC Sierra-1500 has a 5-speed manual.
What kind of transmission does the 2003 GMC Sierra-2500HD have?
The 2003 GMC Sierra-2500HD has a 5-speed manual.
What is the cam type of the 2003 GMC Sierra-2500HD?
The 2003 GMC Sierra-2500HD has overhead valves (OHV).
Is the 2003 GMC Sierra-2500HD electric or gas?
The 2003 GMC Sierra-2500HD is a gas-powered vehicle.
What is the cam type of the 2003 GMC Sierra-1500?
The 2003 GMC Sierra-1500 has overhead valves (OHV).
Will a transfer case from a 2001 GMC Sierra fit a 2003 GMC Sierra?
YES.
