2005 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE

Main Control Valve Body: Installation

  1. Install the special tools into the transmission case.
    Fig 1: Installing Special Tools
    G03949186Courtesy of FORD MOTOR CO.
  2. Using the special tools, install the main control valve body and loosely install the screws.
    1. Install the short screw.
    2. Install the screw with the larger head.
    3. Install the remaining screws.
      Fig 2: Installing Main Control Valve Body
      G04008201Courtesy of FORD MOTOR CO.
  3. Remove the special tools, and loosely install the screw.
    Fig 3: Removing Special Tools
    G03948649Courtesy of FORD MOTOR CO.
  4. Tighten the screws in the sequence shown.
    • Tighten to 10 Nm (89 lb-in).
      Fig 4: Identifying Screws Tightening Sequence
      G04008203Courtesy of FORD MOTOR CO.
  5. Install the manual control valve detent spring.
    • Tighten to 10 Nm (89 lb-in).
      Fig 5: Installing Manual Control Valve Detent Spring
      G03948651Courtesy of FORD MOTOR CO.
  6. Install the reverse servo and the 4 screws in 2 stages, in the sequence shown.
    • Stage 1: Tighten to 5 Nm (44 lb-in).
    • Stage 2: Tighten to 10 Nm (89 lb-in).
      Fig 6: Installing Reverse Servo
      G03949193Courtesy of FORD MOTOR CO.
  7. Install new O-ring seals on the solenoid body connector. Lubricate the O-ring seals with clean automatic transmission fluid.
    Fig 7: Identifying O-Ring Seals
    G03948653Courtesy of FORD MOTOR CO.
    8. CAUTION: Inspect the transmission case bore to make sure it is free of foreign material and not damaged. If it is damaged, transmission leak may occur.
  8. Install the solenoid body. Tighten the screws in sequence shown.
    • Tighten to 8 Nm (71 lb-in).
      Fig 8: Identifying Screw Tightening Sequence
      G03948654Courtesy of FORD MOTOR CO.
    9. CAUTION: Lubricate the fluid filter seals with clean automatic transmission fluid or they may be damaged.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.