RAM 3500 Truck 4WD V8-5.7L VIN D (2003)
Fuel Filler Cap: Service and Repair
REMOVAL / INSTALLATION
If replacement of the 1/4 turn fuel tank filler tube cap is necessary, it must be replaced with an identical cap to be sure of correct system operation.
CAUTION: Remove the fuel tank filler tube cap to relieve fuel tank pressure. The cap must be removed prior to disconnecting any fuel system
component or before draining the fuel tank.