LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2009 >> Expedition 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Disassembly And Assembly Of Subassemblies >> Pump Assembly >> Assembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pump Assembly: Assembly

    NOTE: Prior to installation, lightly lubricate the pump gears with clean automatic transmission fluid.
    Fig 1: Locating Pump Gears
    G06127578Courtesy of FORD MOTOR CO.
  1. Install the pump gears with the dot facing the pump plate assembly.
  2. Install a new pump body outer seal.
    Fig 2: Locating Pump Body Outer Seal
    G06127579Courtesy of FORD MOTOR CO.
  3. Align the marks made during disassembly to correctly assemble the pump. Press the pump body into the pump plate assembly. Visually inspect the pump body-to-pump plate assembly bolt holes to be sure that the pump body and pump plate are correctly aligned.
    1. Pump body
    2. Pump plate assembly
    3. Pump gear thrust surfaces
      Fig 3: Identifying Pump Body, Pump Plate Assembly And Pump Gear Thrust Surfaces
      G06127580Courtesy of FORD MOTOR CO.
  4. Install the pump plate assembly-to-front pump body bolts.
    • Tighten to 15 Nm (133 lb-in).
      Fig 4: Locating Pump Plate Assembly-To-Pump Body Bolts
      G06127571Courtesy of FORD MOTOR CO.
  5. NOTE: Make sure that the seal ends of each seal ring are hooked together or fluid leakage can occur.
    Fig 5: Locating Front Pump Seal Rings Onto Stator Support
    G06127582Courtesy of FORD MOTOR CO.
  6. Install the 2 front pump seal rings onto the stator support. Make sure the seals are fully seated in the stator support seal grooves and the seal ends are oriented 180 degrees apart.
  7. Install the pump outer diameter front pump O-ring seal.
    Fig 6: Locating Pump Outer Diameter Front Pump O-Ring Seal
    G06127583Courtesy of FORD MOTOR CO.
  8. Install a new front pump seal on the Fluid Pump Seal Installer 307-556.
    Fig 7: Locating Front Pump Seal On Fluid Pump Seal Installer 307-556
    G06127584Courtesy of FORD MOTOR CO.
  9. Using the Fluid Pump Seal Installer 307-556, install the front pump seal.
    Fig 8: Installing Front Pump Seal
    G06127585Courtesy of FORD MOTOR CO.
  10. NOTE: Lightly lubricate the thrust washer with petroleum jelly to hold it in place during assembly.
    Fig 9: Locating Pump Thrust Washer
    G06127586Courtesy of FORD MOTOR CO.
  11. Install the pump thrust washer.