| 1. |
Relieve fuel system pressure. |
| 3. |
Raise and support vehicle. |
| 4. |
Disconnect fuel pump module fuel feed
and return line quick connect fittings from fuel filter. Cap or
plug fuel feed and return line fittings to prevent fuel loss and/or
contamination. |
| 5. |
Disconnect fuel tank EVAP line quick
connect fittings from EVAP canister. Cap or plug EVAP lines and
canister fittings to prevent system contamination. |
| 6. |
Disconnect fuel tank vent line quick
connect fitting from fill pipe recirculation line. |
| 7. |
Loosen fuel fill hose clamp at fuel
tank, then remove fuel fill hose from tank. Cap or plug fuel tank
opening and vent line to prevent fuel loss and/or system contamination. |
| 8. |
Disconnect fuel tank harness electrical
connectors from body harness pass through connector. |
| 9. |
Disconnect fuel tank harness electrical
connector from fuel tank pressure sensor. |
| 10. |
Disconnect fuel tank harness electrical
connector from EVAP canister vent solenoid valve. |
| 11. |
Remove harness retainers from underbody. |
| 12. |
Release exhaust assembly insulators
from underbody hangers and slowly lower exhaust, allow exhaust to
rest on rear axle beam. |
| 13. |
Support fuel tank with a suitable jack. |
| 14. |
Remove lefthand tank strap bolts and
strap, then the righthand tank strap bolts and strap. |
| 15. |
To clear exhaust assembly, slowly lower
righthand side of tank. Use care when feeding fuel, EVAP lines and
electrical harness around rear axle. |
| 16. |
Once tank is clear of righthand frame
rail, pull tank down and toward righthand side of vehicle. |
| 17. |
Note position of tank rear shield prior
to releasing pump module pipe retainer. |
| 18. |
Release retaining tab on fuel tank
retainer used to secure fuel pump module pipes in position on tank. |
| 19. |
Release fuel pump module electrical
harness from retaining slot on tank. |
| 20. |
Disconnect fuel pump module harness
electrical connector from fuel tank pressure sensor. |
| 21. |
Carefully rotate fuel pump module retaining
lock ring using fuel sender lock nut wrench tool No. J 39765, or
equivalent. |
| 22. |
Remove fuel pump module retaining lock
ring, by sliding ring over module pipes and electrical harness. |
| 23. |
Slowly raise fuel pump module assembly
until fuel level sensor float arm is just visible. |
| 24. |
Remove fuel pump module assembly from
fuel tank. |
| 25. |
Reverse procedure to install, noting
the following: |
| |
a. |
Install new fuel pump module to fuel
tank seal. |
| |
b. |
Tilt pump module toward rear of fuel
tank to enable level sensor float arm to clear tank opening. |
| |
c. |
Ensure fuel pump module retaining lock
ring is fully seated within fuel tank retaining tab slots. |
|
Fuel Pressure Relief
Precautions