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Section 378 (Automatic Transmission - 4R70W): Installation: Transmission: Installation

WARNING: This page is about a different car, the 2002 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.

All applications 

  1. Inspect the wiring harness and connectors for damage, condition of terminals, corrosion and seal integrity. Repair or install new as required.
    Fig 1: Inspecting Wiring Harness And Connectors For Damage
    G01964500Courtesy of FORD MOTOR CO.
  2. Position, then raise the transmission into the vehicle.
      WARNING: The torque converter must be held firmly in its installed position.
    • While holding the torque converter, carefully tilt the front of the transmission downward.
      • CAUTION: Do not allow the torque converter drive flats to disengage from the pump gear.
    • While continuing to hold the torque converter raise the transmission downward.
      • CAUTION: Watch for obstruction.
    • While continuing to hold the torque converter raise the transmission positioning the extension housing above the exhaust crossover pipe.
      • CAUTION: Watch for clearance between the transmission and engine and the transmission and exhaust crossover pipe.
      Fig 2: Raising Transmission Into Vehicle
      G01964501Courtesy of FORD MOTOR CO.
    • Tilt the front of the transmission upward until level.
  3. Remove the special tool.
    Fig 3: Removing Special Tool
    G01964502Courtesy of FORD MOTOR CO.
    4. CAUTION: Use care not to damage the flexplate and the converter pilot. The torque converter must rest squarely against the flexplate, indicating the converter pilot is not binding in the crankshaft.
    Fig 4: Installing Transmission To Engine
    G01964503Courtesy of FORD MOTOR CO.
  4. Align the torque converter studs with the mounting holes in the flexplate. Install the transmission to the engine.

    4.2L engine 

  5. Install and alternately tighten the engine oil pan-to-torque converter housing retaining bolts.
    Fig 5: Installing And Tightening Bolts
    G01964504Courtesy of FORD MOTOR CO.

    4.6L and 5.4L engines 

  6. Install and alternately tighten the torque converter housing-to-engine retaining bolts.
    Fig 6: Installing And Tightening Bolts (4.6L And 5.4L Engines)
    G01964505Courtesy of FORD MOTOR CO.

    4.2L engine 

  7. Install four new torque converter-to-flexplate retaining nuts.
    1. Rotate the crankshaft pulley-to-crankshaft retaining bolt to position the torque converter stud in the opening.
    2. Install the snug the new torque converter-to-flexplate retaining nut.
      Fig 7: Installing Snug New Torque Converter-To-Flexplate Retaining Nut
      G01964506Courtesy of FORD MOTOR CO.

    4.6L and 5.4L engines 

  8. Install four new torque converter nuts.
    Fig 8: Installing New Torque Converter Nuts (4.6L And 5.4L Engines)
    G01964507Courtesy of FORD MOTOR CO.
  9. Install the flexplate inspection plate and the bolts. Install the rear engine plate-to-torque converter housing retaining bolt.
    Fig 9: Installing Flexplate Inspection Plate And Bolts
    G01964508Courtesy of FORD MOTOR CO.

    4.2L engine 

    10. NOTE: Also refer to Fig 11.
    Fig 10: Installing Access Plugs
    G01964509Courtesy of FORD MOTOR CO.
  10. Install the access plugs.

    4.6L and 5.4L engines 

  11. Install the access plugs.
    Fig 11: Installing Access Plugs (4.6L And 5.4L Engines)
    G01964510Courtesy of FORD MOTOR CO.

    All applications 

  12. Connect the solenoid body connector.
    Fig 12: Connecting Solenoid Body Connector
    G01964511Courtesy of FORD MOTOR CO.
  13. Connect the output shaft speed (OSS) sensor connector.
    Fig 13: Connecting Output Shaft Speed (OSS) Sensor Connector
    G01964512Courtesy of FORD MOTOR CO.
  14. Connect the digital TR sensor connector.
    Fig 14: Connecting Digital TR Sensor Connector
    G01964513Courtesy of FORD MOTOR CO.
  15. If so equipped, install the front A/C deflector assembly with the fasteners.
    Fig 15: Installing Front A/C Deflector Assembly With Fasteners
    G01964514Courtesy of FORD MOTOR CO.

    4.2L and 4.6L engines 

  16. Install the bracket onto the hanger and position it to the transmission insulator and retainer. Install the bolt.
    Fig 16: Installing Bracket Onto Hanger (4.2L And 4.6L Engines)
    G01964515Courtesy of FORD MOTOR CO.

    All applications 

  17. Install the transmission support crossmember.
    1. Install the transmission support crossmember onto the retainer and insulator studs. Install the retaining nuts hand-tight.
    2. Raise the transmission, aligning the transmission support crossmember to the frame.
    3. Install the stud brackets and the retaining nuts.
    4. Tighten the retainer and insulator-to-crossmember retaining nuts.
      Fig 17: Installing Transmission Support Crossmember
      G01964516Courtesy of FORD MOTOR CO.
  18. Remove the high-lift transmission jack.
    Fig 18: Removing High-Lift Transmission Jack
    G01964517Courtesy of FORD MOTOR CO.

    4.2L and 4.6L engines 

  19. Connect the catalyst monitoring sensor harness connectors.
    Fig 19: Connecting Catalyst Monitoring Sensor Harness Connectors (4.2L And 4.6L Engines)
    G01964518Courtesy of FORD MOTOR CO.
  20. Tighten the clamp.
    Fig 20: Tightening Clamp
    G01964519Courtesy of FORD MOTOR CO.

    All applications 

  21. Install the exhaust heat shield-to-crossmember retaining bolts.
    Fig 21: Installing Exhaust Heat Shield-To-Crossmember Retaining Bolts
    G01964520Courtesy of FORD MOTOR CO.

    4.2L engine 

  22. Position the EGR vacuum reservoir to the frame. Install the nuts.
    Fig 22: Positioning EGR Vacuum Reservoir To Frame
    G01964521Courtesy of FORD MOTOR CO.

    All applications 

  23. Install the starter motor. For additional information, refer to STARTER MOTOR .
    24. NOTE: The output shaft and the driveshaft are a balanced assembly.
  24. Install the driveshaft.
    • Align the index marks and position the driveshaft on the transmission.
    • Position the driveshaft to the rear differential.
      Fig 23: Position Driveshaft To Rear Differential
      G01964522Courtesy of FORD MOTOR CO.
    25. NOTE: To maintain initial driveshaft balance, align the index marks made during removal.
  25. Install the driveshaft.
    1. Install the driveshaft.
    2. Install the bolts.
      Fig 24: Installing Driveshaft
      G01964523Courtesy of FORD MOTOR CO.

    4.6L and 5.4L engines 

  26. Install the shift cable and bracket.
    1. Install the bolts.
    2. Connect the clip.
      Fig 25: Installing Shift Cable And Bracket
      G01964524Courtesy of FORD MOTOR CO.

    4.2L engine 

  27. Install the shift cable bracket bolt.
    Fig 26: Installing Shift Cable Bracket Bolt
    G01964525Courtesy of FORD MOTOR CO.

    4.6L and 5.4L engines 

    28. NOTE: Prior to installation, check the condition of the transmission fluid filler tube O-ring. If damaged, install a new O-ring.
    Fig 27: Installing Bolt And Nut
    G01964526Courtesy of FORD MOTOR CO.
  28. Install the fluid filler tube into the transmission. Position the retaining brackets. Install the bolt and nut.

    4.2L engine 

  29. Install the transmission filler tube and bracket bolt.
    Fig 28: Installing Transmission Filler Tube And Bracket Bolt
    G01964527Courtesy of FORD MOTOR CO.
  30. Install the transmission filler tube bracket bolt.
    Fig 29: Installing Transmission Filler Tube Bracket Bolt
    G01964528Courtesy of FORD MOTOR CO.

    All applications 

  31. With a drain pan correctly positioned, remove the plugs and connect the fluid cooler tubes.
    Fig 30: Connecting Fluid Cooler Tubes
    G01964529Courtesy of FORD MOTOR CO.

    4.2L engine 

    32. NOTE: Also refer to Fig 32.
    Fig 31: Installing Fuel And Electrical Harness Bracket With Bolts
    G01964530Courtesy of FORD MOTOR CO.
  32. Position the fuel and electrical harness bracket for installation. Install and alternately snug, then tighten, the bolts.

    4.6L and 5.4L engines 

  33. Install the bolts and position fuel line in place.
    Fig 32: Installing Bolts And Positioning Fuel Line In Place
    G01964531Courtesy of FORD MOTOR CO.

    All applications 

  34. Connect the electrical harness connectors.
    Fig 33: Connecting Electrical Harness Connectors
    G01964532Courtesy of FORD MOTOR CO.
    35. NOTE: If the vehicle was not equipped with an inline fluid filter, install a fluid filter service kit (XC3Z-7B155-AA) follow the instructions supplied in the kit. If the vehicle was equipped with an inline fluid filter, install a new filter (XC3Z-7B155-BA).
    Fig 34: Installing Fluid Filter
    G01964533Courtesy of FORD MOTOR CO.
  35. Remove the supports and lower the vehicle.
  36. Install the engine cover. .
  37. Install the air cleaner air intake duct assembly. For additional information, refer to AIR INDUCTION SYSTEMS .
    38. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.
  38. Connect the battery ground cable.
  39. Fill the transmission to the specified level with clean automatic transmission fluid.
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