Removal Procedure

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.

Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
Loosen the fuel fill pipe hose clamp (2) at the tank.
Loosen the fuel vent pipe hose clamp (1) at the tank.

Fig 1: Fuel Fill Pipe & Fuel Vent Pipe Hose Clamps
Courtesy of GENERAL MOTORS CORP.
Remove the fuel fill and vent hoses from the tank.
Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
Disconnect the fuel tank pressure sensor electrical connector.
Disconnect the fuel feed and EVAP (evaporative emission) quick connect fittings. Refer to Quick Connect Fitting(s) Service (Metal Collar) .

Fig 2: Fuel Feed And EVAP Quick Connect Fittings At Fuel Tank
Courtesy of GENERAL MOTORS CORP.
Cap the fuel/EVAP lines in order to prevent possible system contamination.
Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 3: Fuel Tank Shield & Bolts (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

Remove the fuel tank shield bolts.
Remove the fuel tank shield.
Place a suitable adjustable jack under the fuel tank.

Fig 4: Fuel Tank, Strap & Bolts (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

Remove the fuel tank strap bolts.
Remove the fuel tank straps.
Lower the fuel tank.
With the aid of an assistant, place the fuel tank in a suitable work area.
If necessary, remove the sending unit. Refer to Fuel Sender Assembly Replacement .