No, it does not.
No, it does not.
No.
No.
2003 don't have cabin filters. They are not installed in 2003 and some 2004.
Maybe
there's a panel to remove located in the front drivers side wheel well.
It may or may not be quipped with cabin filters. Go to an auto parts store and ask for a Purolator cabin filter for this vehicle. The filter will come with complete instructions for replacement.
The filter is located in the frame rail
Around 4.5 qts.
My '88 4x4 has a 17-gal tank.
Fuel pump bracket
1988 GMC Sierra Pick-up truck