Trace your fuel lines from the gas tank along the inside of your frame rail. It should be located about 2 or 3 feet from the tank.
On a 2003 GMC Sierra 1500, the cabin air filter is located behind the glove compartment. To access it, you'll need to remove the glove compartment by unscrewing or unclipping it, which will allow you to reach the filter housing. The filter itself is typically a rectangular shape and can be easily pulled out for replacement.
The 2003 GMC Sierra-1500 has a V6 engine.
The 2003 GMC Sierra-1500 has 12 valves.
The 2003 GMC Sierra-1500 is a gas-powered vehicle.
The 2003 GMC Sierra-1500 has a 5-speed manual.
The 2003 GMC Sierra-1500 has overhead valves (OHV).
The 2003 GMC Sierra-1500 is 18 ft. 6.1 in. (222.1 in.) long.
The 2003 GMC Sierra-1500 runs on regular unleaded.
The height of the 2003 GMC Sierra-1500 is 5 ft. 11 in. (71 in.).
The 2003 GMC Sierra-1500's turning circle is 42.4 ft..
The rear track of the 2003 GMC Sierra-1500 is 5 ft. 6 in. (66 in.).
The 2003 GMC Sierra-1500 has a 3 yr./ 36000 mi. basic warranty.