I have not started yet but I know you atleast have to drop the tank. I'd get yourself a Chilton.
Chevy does not use a fuel cutoff inertia switch.
To change the fuel filter in 2002 Chevy Avalanche, first locate it beneath the driver's seat, then engage the emergency breaks, loosen up the gas up, and replace the filter.
Mounted on top and inside the fuel tank.
GM vehicles do not have a fuel cut off switch.
If you know what your doing its takes about 1.5 hrs.
A Chevy Avalanche uses standard 87 octane fuel. Higher grade fuel will not result in improve mileage or performance.
Mounted on top and inside the fuel tank.
in the fuel tank
In 2004 Chevy started putting the fuel filter inside of the fuel tank.
the fuel pump
It's in the Tank...
It is located in the fuel tank. The tank has to be dropped to pull it out and change it.