Removal Procedure

Fig 1: Disconnecting Fuel Lines From Fuel Pump Module

Courtesy of GENERAL MOTORS CORP.

Remove the fuel tank. Refer to Fuel Tank Replacement .

NOTE: Clean all fuel pipe and hose connections and surrounding areas before disassembling to avoid possible contamination of the fuel system. Spray the fuel pump module cam-lock ring tang with penetrating oil prior to attempting removal.

Disconnect the fuel lines from fuel pump module.

Fig 2: Removing/Installing Fuel Pump Module Lock Ring

Courtesy of GENERAL MOTORS CORP.

NOTE: To prevent retaining ring damage, do not attempt to remove the retaining ring with a 12 inch or shorter ratchet/breaker bar. Operation should be a smooth one-hand operation while holding onto the lock ring.

Use the J 43827 remove the fuel pump module retaining ring. See Special Tools . A 1/2 in breaker bar, approximately 0.5 m (18 in) will easily loosen and remove the lock ring.

NOTE: To prevent bending of the sending unit float arm during removal, lift the pump module up slightly to disengage the orientation tabs in the tank and rotate the module 45 degrees.

Remove the fuel pump module.

Fig 3: Removing/Installing Fuel Pump Module

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Always replace the fuel pump module to tank seal O-ring whenever the assembly is removed.

Discard the fuel pump module to tank seal.
If the sending unit is not being replaced as well, remove the fuel level sender. Refer to Fuel Level Sensor Replacement .