fuel filter return port. When pressure exceeds the
calibrated amount, the diaphragm retracts, allowing
excess pressure and fuel to vent into the tank.
The maximum deadhead pressure is approximately
880 kPa (130 psi). The regulator adjusts fuel system
pressure to approximately 400 ±34 kPa (58 ± 5 psi).
REMOVAL
(1) Release fuel pressure, Refer to Fuel System
Pressure Release Procedure in the Fuel Delivery sec-
tion.
(2) Remove Fuel Tank refer to the Fuel Tank
Removal/Installation in this group.
WARNING: THE FUEL RESERVOIR OF THE FUEL
PUMP MODULE DOES NOT EMPTY OUT WHEN THE
TANK IS DRAINED. THE FUEL IN THE RESERVOIR
WILL SPILL OUT WHEN THE MODULE IS
REMOVED.
(3) Disconnect fuel line from fuel pump module by
depressing quick connect retainers with thumb and
fore finger.
(4) Slide fuel pump module electrical connector
lock to unlock.
(5) Disconnect the electrical connection from the
fuel pump module, by pushing down on connector
retainer and pulling connector off of module.
(6) Use Special Tool #6856 to remove fuel pump
module locknut (Fig. 13).
(7) Remove fuel pump and O-ring seal from tank.
Discard old seal.
INSTALLATION
(1) Wipe seal area of tank clean and place a new
seal in position in the tank opening.
(2) Position fuel pump in the tank. Make sure the
alignment tabs on the underside of the fuel pump
module flange sits in the notches on the fuel tank
(Fig. 14).
Fig. 12 Fuel Pump Module - Typical
Fig. 13 FUEL TANK LOCKNUT
1 - SPECIAL TOOL #6856
2 - LOCKING RING
3 - FUEL PUMP MODULE
Fig. 14 Fuel Tank Locator
1 - LOCATOR NOTCH
LH FUEL DELIVERY 14 - 9
FUEL PUMP MODULE (Continued)
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