It is up in the frame rail on the drivers side back were the transmission cross member is. If it is a late model 2003 and you can't find it on the frame rail then it is inside of the gas tank. GM started putting them in the tank in 2004.
above the gas tank in the rear of the truck.....you have to get under the tracker to get to it. its easy to change :)
The 2003 Chevrolet Suburban fuel filter is located inside of the gas tank. You will to remove the gas tank in order to change the fuel filter.
on my 02 it was located above the gas tank on the passenger side. its really simple to change you will need ramps or jack stands to keep the truck up, and wear safety goggles because gas will come out of the filter.
In 2005 Chevy started putting the fuel filter in the gas tank. What a stupid thing to do.
The 2003 Chevrolet Monte Carlo fuel filter is located inside of the gas tank. You will need to drain the gas tank in order to access the fuel filter.
It should be located under the truck at the front portion of the gas tank.
Gas engine, in the tank. Diesel, on the driver side of the block
The fuel filter is probally underneath bolted to the frame, the fuel line comes out of the gas tank and is secured to the inner part of the frame and the fuel filter should be bolted to the frame about the center of the truck.
Change the air filter and spark plugs, and try to drive at a constant speed.
When traveling it is important to know how much fuel can be held by the vehicle that is being used to travel. The fuel capacity in the gas tank of a 2003 Chevy Silverado pick up truck is up to 26 gallons..
It should be on the frame rail on the drivers side. In 2004 they moved it inside the gas tank and it is considered non-serviceable. If your truck was one of the very last 2003's that could apply to you.
its located right in front of the gas tank closest to the front of the truck. it a little 5 x6 tank that has 3 connectons leading to it.