Main Fuel Pump Module

WARNING: Risk of injury to eyes and skin from contact with fuel, Wear protective clothing and eye protection. Risk of poisoning from inhaling and swallowing fuel. Pour fuel only into appropriately marked OSHA approved containers. Failure to comply may result in serious or fatal injury.

WARNING: The fuel system is under constant high pressure even with engine off. Until the fuel pressure has been properly released from the system, do not attempt to open the fuel system. Do not smoke or use open flames/sparks when servicing the fuel system. Make sure the area in which the vehicle is being serviced is in a well ventilated area. Failure to comply may result in serious or fatal injury.

Fig 1: FUEL PUMP MODULE CONNECTION

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Perform the fuel system pressure release procedure. See Fuel System/Fuel Delivery - Standard Procedure .
NOTE: The main fuel pump module has to be properly located in the fuel tank for the fuel level gauge to work properly.
Use a marker and place a mark (4) across the position of the main fuel pump module lock-ring, main fuel pump module (1) and the fuel tank prior to removal.
Remove the fuel line (3) from the fuel pump module.

Fig 2: LOCK RING TOOL
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NOTE: Prior to removing the main fuel pump module, use compressed air to remove any accumulated dirt and debris from around fuel tank opening.
Position the lock-ring remover/installer 9340 into the notches on the outside edge of the lock-ring.
Install a 1/2 inch drive breaker bar into the lock-ring remover/installer 9340.
Rotate the breaker bar counterclockwise and remove the lock-ring.

Fig 3: REMOVAL OF MODULE
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WARNING: The fuel pump module reservoir does not empty out when the tank is drained. The fuel in the reservoir will spill out when the module is removed.

NOTE: Do not spill fuel into the interior of the vehicle.
Raise the fuel pump module out of the fuel tank using caution not spill fuel inside the vehicle.

Fig 4: DRAINING FUEL
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Tip the main fuel pump module and drain enough fuel from the main fuel pump module reservoir to gain access to the internal fuel line without spilling fuel into the interior of the vehicle.

Fig 5: SIPHON LINE FOR AWD
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Disconnect the internal fuel line from the main fuel pump module.

Fig 6: MODULE REMOVAL/INSTALL
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Remove the main fuel pump module from the fuel tank using caution not to bend the float arm.

Fig 7: FUEL PUMP MODULE O-RING

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Remove and discard the rubber O-ring seal.