Denso first time fit Guide De Remplacement page 5

8. Cut the old terminals off of the fuel pump power wires and splice on the new wire
harness using the butt connectors. Connect the red wire from the module to the gray
wire on the harness provided in the kit. Splice the black wire from the tank unit to the
black wire on the harness.
9. Install the new float check valve into the tank unit float and install the float back into the
bottom of the tank unit.
10. Install the new outer filter onto the tank unit. Be sure the filter is seated all the way and
that the retainers are securely locked on to the tank unit.
11. Install the new vent hose onto the outer filter.
12. Install the bottom sensing spring onto the upper portion of the tank unit. Compress the
spring and install the upper portion onto the lower portion of the tank unit. Be sure the
top is oriented properly (See section IV paragraph "A" line 3)!
13. Reconnect the electrical connector to the bulkhead connector on the bottom side of the
flange (See Fig. 1).
14. Reconnect the fuel supply tube to the quick connect fitting on the bottom of the tank
unit flange.
V. INSTALLATION OF TANK UNIT INTO FUEL TANK
A) Install the new tank seal onto the fuel tank in its proper location.
B) Be sure the fuel tank is clean inside and carefully install the tank unit assembly into the fuel tank.
C) Reinstall the retaining clamps and tighten to manufacturers recommended specifications.
VI. INSTALL FUEL TANK INTO VEHICLE
A) Lift the fuel tank into position in the vehicle leaving enough room to access the top of the
tank. Reinstall all fuel lines and electrical connections. Be sure all vent hoses, electrical
connections and fuel lines are properly installed before raising the fuel tank up into the
vehicle all the way.
B) Install the fuel tank retaining straps and tighten the retaining bolts. Do not over tighten the
retaining strap bolts.
C) Reinstall the filler neck and vent hoses.
D) Reinstall any skid plates and shields that may have been removed.
VII. WRAP UP
A) Using only equipment designed for use with gasoline, refuel the fuel tank with gasoline.
(NOTE: Be sure to clean up any fuel spills before proceeding.)
B) Inspect the fuel system for leaks and correct them, as necessary.
C) With the ignition off, reconnect the negative (-) cable to the battery.
D) Reinstall the fuel pump relay in the power distribution center.
E) Start the engine and inspect the fuel lines and connections for leaks. Correct leaks as necessary.
F) Clear any trouble codes in the electronic control system that may exist as a result of the fuel
pump replacement procedure. Use the specific service manual for assistance, if necessary.
Troubleshooting
Should the pump fail to operate:
1. Check the fuel pump fuse and fuel pump relay as outlined in the service manual.
2. If the pump has power and proper polarity, check the remainder of the fuel system as
outlined in the service manual.
NOTE: This pump will not remedy malfunctions of the regulator, injectors or other fuel system
components.
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