Removal Procedure

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

Loosen the fuel fill and vent hose clamps (1, 2) at the tank.

Fig 1: Fuel Fill Pipe Hose Clamp & Fuel Vent Pipe Hose Clamp
Courtesy of GENERAL MOTORS CORP.
Remove the fuel fill and vent hose from the tank.
Drain the fuel tank. Refer to Fuel Tank Draining Procedure .

Fig 2: View Of Sending Unit Electrical Connector (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

Fig 3: View Of Fuel Feed And Return Lines At Sending Unit (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

Disconnect the fuel feed and return lines from the sending unit. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 4: View Of Fuel Tank Shield (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

Fig 5: Fuel Tank, Strap & Bolts (Cab/Chassis - Rear)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fuel Tank Strap Fastener Notice in Cautions and Notices.

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.
Cap the fuel lines in order to prevent possible fuel system contamination.
If replacing the fuel tank, remove the sending unit. Refer to Fuel Sender Assembly Replacement .