Sender Unit & Float: Removal

WARNING: Do not allow smoking or the use of open flames in the area where work on the fuel system is taking place.

Remove fuel tank. Refer to FUEL TANK .
Remove fuel lines and electrical connectors from fuel pump cover. See Figure .
NOTE: To prevent retaining ring damage, do not attempt to remove retaining ring with a 12 in. or shorter ratchet/breaker bar. Operation should be a smooth one hand operation while holding onto the lock ring.
Use the fuel tank lock ring remover and remove fuel pump module retaining ring. A 1/2 in. breaker bar (approximately 18 inches long) 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°.
Remove fuel pump from fuel tank. See Figure .
NOTE: The fuel pump assembly is only serviced as a module without the sender unit. The inlet filter can be cleaned with mineral spirits; however, it cannot be replaced.
Remove wires from clip. See Fig 1 .

Fig 1: Removing Wires From Clip
Courtesy of GENERAL MOTORS CORP.
Remove positive and negative connectors from top of pump.

Fig 2: Removing Positive & Negative Connectors From Top Of Pump
Courtesy of GENERAL MOTORS CORP.
Remove connector housing from bottom side of fuel pump cover. Disengage locking tab with fingernail or small flat black screwdriver.

Fig 3: Removing Connector Housing
Courtesy of GENERAL MOTORS CORP.
Remove fuel level sender card by depressing locking tab and sliding the card up (toward fuel pump cover).