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Home >> Ford >> 2010 >> Expedition RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Automatic Transaxle/Transmission >> Disassembly And Assembly Of Subassemblies >> Pump Assembly >> Disassembly
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Pump Assembly: Disassembly

  1. Remove the front pump washer.
    Fig 1: Removing Front Pump Washer
    G06127567Courtesy of FORD MOTOR CO.
  2. If the O-ring seal was not removed during disassembly, remove and discard the front pump O-ring seal from the pump assembly.
    Fig 2: Removing Front Pump O-Ring Seal From Pump Assembly
    G06127348Courtesy of FORD MOTOR CO.
  3. Remove and discard the front pump seal rings from the stator support.
    Fig 3: Locating Front Pump Seal Rings
    G06127569Courtesy of FORD MOTOR CO.
  4. Index-mark the pump body to the pump plate assembly.
    1. Pump body
    2. Pump plate assembly
    3. Index mark
    Fig 4: Identifying Pump Body And Pump Plate Assembly
    G06127570Courtesy of FORD MOTOR CO.
  5. Remove the 11 pump plate assembly-to-pump body bolts.
    Fig 5: Locating Pump Plate Assembly-To-Pump Body Bolts
    G06127571Courtesy of FORD MOTOR CO.
  6. Push down on the loose pump plate assembly-to-pump body bolts to remove the pump body from the pump plate assembly and remove the 11 bolts.
    Fig 6: Pushing Down On Loose Pump Plate Assembly-To-Pump Body Bolts
    G06127572Courtesy of FORD MOTOR CO.
  7. Remove the fluid pump gears.
    Fig 7: Removing Fluid Pump Gears
    G06127573Courtesy of FORD MOTOR CO.
  8. Remove and discard the pump body outer seal.
    Fig 8: Removing Pump Body Outer Seal
    G06171296Courtesy of FORD MOTOR CO.
  9. Inspect the inner and the outer pump gears for damage.
    • Clean all pump components in solvent.
    • Dry the parts with compressed air.
    • Inspect the pump gears, faces, gear teeth and mating surfaces for damage or scoring.
    • Install a new pump as necessary.
    Fig 9: Identifying Inner And Outer Pump Gears
    G06127575Courtesy of FORD MOTOR CO.
  10. Inspect the pump body and pump plate thrust surfaces for damage or scoring.
    1. Pump body
    2. Pump plate assembly
    3. Pump gear thrust surfaces
    Fig 10: Identifying Pump Body, Pump Plate Assembly And Pump Gear Thrust Surfaces
    G06127576Courtesy of FORD MOTOR CO.
  11. Inspect the torque converter hub bearing for damage or scoring. Make sure that the bearing rotates smoothly.
    Fig 11: Locating Torque Converter Hub Bearing
    G06127577Courtesy of FORD MOTOR CO.