Where is the fuel filter on 2003 Chevy Avalanche? Where is the fuel filter on 2003 Chevy Avalanche? on most Chevy trucks the fuel filter is located on the inside of the frame rail on the drivers side. however, if i am not mistaken after 2003How do you replace the fuel filter on a 2002 Chevy Avalanche?Where is the fuel filter located on 2004 ChevroletWhere is the fuel pump located on a 2003 Chevy Avalanche?How do you change the fuel filter on a Chevy Avalanche?See more results Chevrolet Avalanche Questions - where is the fuel pump 03 Avalanche replaced fuel pump 2 years ago, fuel pump recently failed again - it was replaced along with the fuel filtered to start four times in the past month w/o pumping the gas pedal? 3 Answers 2003 Chevy Avalance with 143K miles - it has been in the shop for two days and they cannot replicate the problem of it not wanting to start without pumping on the gas pedal - would could this be?