|
|
The fuel pump has a maximum deadheaded pres- sure output of approximately 880 kPa (130 psi). The FUEL PUMP ELECTRICAL CONTROL Voltage to operate the electric pump is supplied through the fuel pump relay. For an electrical opera- ELECTRICAL PUMP REPLACEMENT The electric fuel pump is not serviceable. If the fuel pump or electrical wiring harness needs replace- REMOVAL WARNING: RELEASE FUEL SYSTEM PRESSURE SERVICING THE VEHICLE. THIS MAY RESULT IN PERSONAL INJURY OR DEATH. (1) Remove fuel filler cap and perform Fuel Sys- tem Pressure Release procedure. (2) Remove the air cleaner lid, disconnect the inlet air temperature sensor and makeup air hose. (3) Remove the negative battery cable. Removal in this section. (6) Clean top of tank to remove loose dirt and debris. (7) Mark the fuel pump location on the top of the fuel tank. NOTE: The pump has to be properly located to the (8) Disconnect fuel filter lines from fuel pump module. (9) Using Special Tool #6856 Fuel Pump Module Ring Spanner, remove locknut to release pump mod- WARNING: THE FUEL RESERVOIR OF THE FUEL (10) Remove fuel pump module and seal from tank. Discard seal. INSTALLATION (1) Wipe seal area of tank clean. Place a new seal between the tank threads and the pump module NOTE: The pump has to properly located to the (2) Position fuel pump module in tank. Make sure the alignment marks line up on the fuel tank and CAUTION: Over tightening the pump lock ring may (3) While holding the pump module in position, install locknut. Tighten locknut to 74.5 N·m (55 ft. (4) Install fuel tank, refer to the Fuel Tank Instal- lation in this section. (5) Lower vehicle. temperature sensor and makeup air hose. (8) Fill fuel tank with clean fuel. Use the DRBIII t scan tool to pressurize the system and check for FUEL RAIL DESCRIPTION The fuel rail supplies the necessary fuel to each individual fuel injector and is mounted to the intake Fig. 10 Fuel Pump Module Locknut 14 - 8 FUEL DELIVERY PT FUEL PUMP MODULE (Continued) |