1999 24V Lift Pump Replacement

Procedures for a 1999 Ram

NOTE: You may be able to improve this but this is exactly what we did and changed two pumps in less that two hours)

TOOLS: 17 mm wrench & socket, 10 mm wrench & socket, 7/16 socket, 1/2 inch socket.

  1. Lay a non-conducting material over the battery posts (fender cover, etc)
  2. Make sure you have the new pump and eight banjo washers
  3. Remove the two banjo bolts from top of the fuel filter housing using a 17 mm wrench
  4. Remove the old banjo washers from the fittings
  5. Disconnect the water in fuel sensor at the bottom of the fuel filter housing
  6. Disconnect the fuel filter heater element plug at top of the filter housing
  7. Remove the drain tube from the bottom of the filter housing drain
  8. Remove the two manifold bolts holding the filter housing to the intake manifold
  9. Remove the entire filter housing being careful not to drain the fuel from it
  10. Remove the banjo bolt holding the solid fuel line that goes the inlet of the filter housing using a 17 mm wrench
  11. Remove the banjo bolt on the suction side of the lift pump
  12. Remove the 10 mm bolt holding the suction line to the pump bracket
  13. Unplug the electrical connector to the lift pump
  14. Remove the three nuts holding the lift pump in place, � socket inch I believe
  15. Remove the lift pump
  16. Install the new pump and the two back nuts loosely just to hold the pump in place
  17. Install a new banjo washer on the suction bolt
  18. Install the bolt in the suction fitting and install another washer on the bolt
  19. Thread the bolt into the pump suction while the two nuts are loose on the pump
  20. Connect the power to the pump
  21. Install the cable support and the third nut on the pump bracket
  22. Tighten the pump suction banjo bolt, and the three nuts holding the pump in place
  23. Tighten the bolt holding the suction hose in place
  24. Install a washer on the pump discharge banjo bolt
  25. Install the bolt in the discharge tubing and install another washer
  26. Install the discharge to the pump but do not tighten
  27. Set the fuel filter housing back in place with the two manifold bolts but do not tighten
  28. Install a washer on the filter inlet banjo bolt
  29. Install the bolt far enough to get another washer on the other side and thread the bolt into the filter inlet
  30. Install a washer on the filter outlet banjo bolt
  31. Install the outlet banjo bolt in the outlet tubing and install another washer on the other side
  32. Thread the outlet bolt into the filter housing
  33. Tighten to two filter housing intake manifold bolts
  34. Tighten the two 17 mm inlet and outlet bolts on top of the housing
  35. Tighten the 17 mm bolt on the discharge of the lift pump
  36. Connect the fuel grid heater wiring at the top of the housing
  37. Connect the fuel in water wiring to the bottom of the housing
  38. Install the plastic housing drain tube
  39. Loosen the inner or outer plug on top of the housing with a 7/16 socket
  40. Bump the key like you are going to start the truck and bleed the system (may need to do this several times)
  41. Do a double check and make sure everything is tight and there are no leaks
This entry was posted in Electrical, Fuel Systems and tagged . Bookmark the permalink. Both comments and trackbacks are currently closed.