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Home >> Ford >> 2012 >> Expedition RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6R80 >> 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: Removing Front Pump Seal Rings From Stator Support
    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 and discard the pump body outer seal.
    Fig 7: Removing Pump Body Outer Seal
    G07953234Courtesy of FORD MOTOR CO.
  8. Remove the fluid pump gears.
    Fig 8: Removing Fluid Pump Gears
    G07953235Courtesy 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 And Pump Plate Thrust Surfaces
      G07953237Courtesy of FORD MOTOR CO.
  11. Inspect the input shaft bushing for damage or scoring. If the bushing is damaged, install a new pump.
    Fig 11: Locating Input Shaft Bushing
    G07953238Courtesy of FORD MOTOR CO.
  12. Inspect the torque converter hub bushing for damage or scoring. If the bushing is damaged, install a new pump.
    Fig 12: Identifying Torque Converter Hub Bushing
    G07953239Courtesy of FORD MOTOR CO.
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