just been looking for this same answer. I found a link saying the filter is about halfway back on the drivers side under the hood. Note that a special tool is needed to remove the clip on side. I have no personal experience (I will have in a few days) but only found this info on the web.
Where is the abs module located on a 2004 Chevy Tahoe
where is the PCV valve located on a 2004 chevy tahoe
In 2004 Chevy moved the fuel filter from the frame rail to the fuel tank. It is inside of the fuel tank.
The fuse for the heated seats on a 2004 Chevy Tahoe is located behind the e-brake. It is in a black plastic box on the driver's side.
The fuel filter is inside of the fuel tank. in 2004 chevy moved the filter from the frame rail and put it in the tank.
In 2004 Chevy moved the fuel filter from the frame rail and installed it INSIDE of the fuel tank.
It is screewed into the transfur case.
Any recalls 2004 Chevy Tahoe
check the right side of the frame underneath the vehicle inside of frame, under drivers side door (rear).
IN 2004 Chevy moved the fuel filter from the frame rail and started putting them inside of the fuel tanks.
From 2004 and up Chevy started putting them inside of the gas tank. what a shame.
No just 1 fuel filter, and sorry to be the one to tell you, but in 2004 Chevy started putting the fuel filter inside of the FUEL TANK.