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Home >> Lincoln >> 2005 >> Aviator AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transmission >> Disassembly And Assembly Of Subassemblies >> Fluid Pump >> Assembly

Fluid Pump: Assembly

    NOTE: Minor burrs and scoring may be removed with crocus cloth. If damage is found, install a new assembly.
  1. Inspect the fluid pump components for the following:
    • Pump body and case for burrs.
    • Fluid passages for obstructions.
    2. NOTE: Check and make sure that the garter spring in the seal has not popped off of the converter hub seal.
    Fig 1: Installing Seal Onto Special Tool
    G03863536Courtesy of FORD MOTOR CO.
  2. Install a new seal onto the special tool.
  3. Using the special tool, install the converter hub seal.
    Fig 2: Installing Converter Hub Seal
    G03863537Courtesy of FORD MOTOR CO.
  4. Install a new O-ring seal in fluid pump drive gear.
    Fig 3: Installing O-Ring Seal In Fluid Pump Drive Gear
    G03863538Courtesy of FORD MOTOR CO.
    5. CAUTION: Lubricate the special tool with multi-purpose grease.
    Fig 4: Seating O-Ring Seal In Pump Gear
    G03863539Courtesy of FORD MOTOR CO.
  5. Using the special tool, seat the O-ring seal in the pump gear.
    6. CAUTION: The chamber on the inside edge of the small gear must be UP when in the pump housing gear pocket. The dimple on the larger gear must be DOWN when in the pump housing gear pocket.
    Fig 5: Installing Pump Gears Into Fluid Pump Housing
    G03863540Courtesy of FORD MOTOR CO.
  6. Install the pump gears into the fluid pump housing. Apply multi-purpose grease to pump gear to prevent scoring at start up.
  7. Install a new seal on the valve.
    Fig 6: Installing Seal On Valve
    G03863541Courtesy of FORD MOTOR CO.
  8. Install the valve with the tab facing down.
    Fig 7: Installing Valve With Tab Facing Down
    G03863542Courtesy of FORD MOTOR CO.
  9. First install the fluid pump adapter plate and then the alignment pins in their correct location.
    Fig 8: Installing Alignment Pins
    G03863543Courtesy of FORD MOTOR CO.
    10. CAUTION: The special tools must be used to correctly align the pump with the adapter plate to reduce gear noise, bushing failure and leakage.
    Fig 9: Aligning Fluid Pump To Adapter Plate
    G03863544Courtesy of FORD MOTOR CO.
  10. Using the special tool, align the fluid pump to the adapter plate.
  11. Using the special tools, assemble the pump.
    Fig 10: Assembling Pump
    G03863545Courtesy of FORD MOTOR CO.
  12. Loosely install the fluid pump housing screws in their correct location and remove the special tools.
    Fig 11: Installing Fluid Pump Housing Screws
    G03863546Courtesy of FORD MOTOR CO.
  13. Install the 2 remaining screws and tighten all the screws in a star pattern.
    • Tighten to 25 Nm (18 lb-ft).
      Fig 12: Installing Screws
      G03863547Courtesy of FORD MOTOR CO.
  14. Install a new fluid pump seal ring.
    Fig 13: Installing Fluid Pump Seal Ring
    G03863548Courtesy of FORD MOTOR CO.
  15. Install 2 new seal rings.
    Fig 14: Installing Seal Rings
    G03863549Courtesy of FORD MOTOR CO.
    16. CAUTION: Be careful not to overstretch the seal ring past the seal ring groove. Damage to the seal will occur.
    Fig 15: Installing Fluid Pump Seal Ring
    G03863550Courtesy of FORD MOTOR CO.
  16. Using the special tools, install the fluid pump seal ring.
    17. CAUTION: Verify correct seal installation. Make sure seal grooves are clean and free of burrs.
    Fig 16: Verifying Seal Is Installed Correctly
    G03863551Courtesy of FORD MOTOR CO.
  17. Verify that the seal is installed correctly.
    18. CAUTION: Failure to correctly size the seal will cause damage to the seal when the torque converter is installed.
    Fig 17: Identifying Special Tool
    G03863552Courtesy of FORD MOTOR CO.
  18. Using the special tool, size the seal to the correct size. Leave the special tool on the seal ring for 2 minutes to obtain the correct seal size.
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