Auxiliary Fuel Pump Module
Do not smoke or use open flames/sparks when servicing the fuel system. Wear protective clothing and eye protection. Make sure the area in which the vehicle is being serviced is in a well ventilated area and free of flames/sparks. Failure to comply may result in serious or fatal injury.
No sparks, open flames or smoking. Risk of poisoning from inhaling and swallowing fuel. Pour fuel only into appropriately marked containers. Wear protective clothing. Risk of injury to eyes and skin from contact with fuel.
- Remove the main fuel pump module. Refer to MODULE, FUEL PUMP, REMOVAL .NOTE:
Prior to removing the auxiliary fuel pump module, use compressed air to remove any accumulated dirt and debris from around fuel tank opening.
- Position the SAE Fuel Pump Lock Ring Wrench (special tool #9340, SAE Fuel Pump Lock Ring Wrench) (1) into the notches on the outside edge of the auxiliary fuel pump module lock ring (2).
- Install a 1/2 inch drive breaker bar (3) onto the SAE Fuel Pump Lock Ring Wrench (special tool #9340, SAE Fuel Pump Lock Ring Wrench) (1).NOTE:
The auxiliary fuel pump module will spring up slightly when the lock ring is removed.
- Rotate the breaker bar counterclockwise and remove the lock ring.CAUTION:
An indexing arrow is located on top of the auxiliary fuel pump module to clock it's position into the fuel tank, note it's location for reassembly.
NOTE:The auxiliary fuel pump module has to be properly located in the fuel tank for the fuel level gauge to work properly.
- Mark the auxiliary fuel pump module orientation.CAUTION:
Do not allow the float arm of the auxiliary fuel pump module to come in contact with any part of the fuel tank during removal or installation, damage to the float arm and fuel level sending card may result.
- Using caution not to bend the float arm (2), lift the auxiliary fuel pump module (1) and the auxiliary fuel pump module supply line (3) out of the fuel tank as an assembly.CAUTION:
Whenever the auxiliary fuel pump module is serviced, the rubber O-ring seal must be replaced.
- Remove and discard the rubber O-ring seal.