Fuel Fill Pipe: Removal

CAUTION: DO NOT ALLOW SMOKING OR THE USE OF OPEN FLAMES IN THE AREA WHERE WORK ON THE FUEL SYSTEM IS TAKING PLACE.

CAUTION: ANY TIME THE FUEL SYSTEM IS BEING WORKED ON, DISCONNECT THE NEGATIVE BATTERY CABLE, EXCEPT FOR THOSE TESTS WHERE BATTERY VOLTAGE IS REQUIRED.

Ensure that fuel level in tank is less than 1/4 full. If necessary, drain fuel tank to at least this level. Refer to FUEL SYSTEM PRESSURE RELIEF .
CAUTION: MAKE SURE VEHICLE IS PROPERLY SUPPORTED AND SQUARELY POSITIONED. TO HELP AVOID PERSONAL INJURY WHEN A VEHICLE IS ON A HOIST, PROVIDE ADDITIONAL SUPPORT FOR THE VEHICLE ON THE OPPOSITE END FROM WHICH COMPONENTS ARE BEING REMOVED.
Position vehicle on hoist.
CAUTION: ANY TIME THE FUEL SYSTEM IS BEING WORKED ON, DISCONNECT THE NEGATIVE BATTERY CABLE, EXCEPT FOR THOSE TESTS WHERE BATTERY VOLTAGE IS REQUIRED.
Disconnect negative battery cable
Remove fuel filler cap.
Push/pry closeout grommet to expose fuel fill neck attachment bolt. Loosen fill neck attachment bolt. Do not remove at this time.

Fig 1: Removing Closeout Grommet
Courtesy of GENERAL MOTORS CORP.
Raise vehicle on hoist.
Remove right rear wheel and tire.
Remove right rear wheelhouse inner liner.

Fig 2: Removing Right Rear Wheelhouse Inner Liner
Courtesy of GENERAL MOTORS CORP.
Remove fuel filler pipe intermediate bracket bolt.
Disengage fuel filler neck from support bracket, by moving fuel filler neck up and to the left (toward the rear of the vehicle).

Fig 3: Removing Fuel Filler Pipe Intermediate Bracket Bolt
Courtesy of GENERAL MOTORS CORP.
Disconnect fuel fill pipe vent hose, fresh air hose, and fuel fill pipe from fuel tank.
Disengage filler pipe hose from fuel tank and remove fuel filler pipe from vehicle.