Variable Speed Fuel Pump Module (HEV) - Removal

REMOVAL - HEV

WARNING: On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury Service Precautions






WARNING: The fuel system is under a constant pressure, even with the engine off. Before servicing the fuel pump module, the fuel system pressure must be released.

1. Perform the fuel system pressure release procedure Service and Repair
2. Perform the HEV high voltage power down procedure Battery System - High Voltage Power Down
3. Disconnect the 12 volt battery system ground isolation connector (1).
4. Drain the fuel tank Procedures for Draining Fuel Tank - HEV procedure.
5. Remove the fuel tank Fuel Tank - Removal






NOTE: Prior to removing the variable speed fuel pump module, use compressed air to remove any accumulated dirt and debris from around fuel tank opening.

CAUTION: An indexing arrow is located on top of the variable speed fuel pump module to clock it's position into the fuel tank, note it's location for reassembly.

6. Position the lock ring remover/installer 9340 (1) into the notches on the outside edge of the lock ring (2).
7. Install a 1/2 inch drive breaker bar (4) into the lock ring remover/installer 9340 (1).

NOTE: The variable speed fuel pump module will spring up slightly when the lock ring is removed.

8. Rotate the breaker bar counterclockwise and remove the lock ring.

CAUTION: Whenever the fuel pump module is serviced, the rubber O-ring seal must be replaced.

9. Remove the variable speed fuel pump module (3) from the fuel tank. Be careful not to bend the float arm during removal.
10. Remove and discard the rubber O-ring seal.