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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1291 (Automatic Transmission - 4R70E/W, 4R75E/W) >> In-Vehicle Servicing >> Main Control Valve Body >> Installation

Main Control Valve Body: Installation

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Make sure that the drive pin of the manual valve detent lever assembly engages the manual valve in the correct location prior to installing the bolts.
  1. Position the main control valve body gasket and main control valve body onto the transmission case using 2 bolts as a guide.
    2. Fig 1: Positioning Main Control Valve Body Gasket And Main Control Valve Body
    GF0003494Courtesy of FORD MOTOR CO.
    NOTE: The main control valve body bolts will be tightened in later steps.
  2. Loosely install the 11 long main control valve body bolts.
    3. Fig 2: Locating Long Main Control Valve Body Bolts
    G04584287Courtesy of FORD MOTOR CO.
    NOTE: Lubricate the EPC solenoid O-rings with clean automatic transmission fluid.
  3. Position the EPC solenoid bracket and loosely install the bolt.
    4. Fig 3: Locating EPC Solenoid Bracket Bolt
    GF0003495Courtesy of FORD MOTOR CO.
    NOTE: The main control valve body bolts will be tightened in later steps.
  4. Loosely install the 12 main control valve body bolts.
    5. Fig 4: Locating 12 Short Main Control Valve Body Bolts
    G03882434Courtesy of FORD MOTOR CO.
  5. Install the manual control valve detent lever spring and loosely install the bolt.
    6. Fig 5: Identifying Manual Control Valve Detent Lever Spring Bolts
    G04584504Courtesy of FORD MOTOR CO.
  6. Tighten the main control valve body and cover plate bolts in the sequence shown.
    • Tighten to 10 Nm (89 lb-in).
    7. Fig 6: Main Control Valve Body Bolt Torque Sequence
    GF0003496Courtesy of FORD MOTOR CO.
  7. Inspect the molded lead frame for damage.
    • Using the special tool, check all molded lead frame solenoid connections. The gauge should fit tightly and not fall out after being inserted.
    • If the special tool easily passes through any molded lead frame connector pins or does not feel like it makes a good contact, install a new molded lead frame.
    8. Fig 7: Locating Lead Frame Connector Pins
    G04584207Courtesy of FORD MOTOR CO.
  8. Connect the molded lead frame to the solenoids.
    • Connect the bulkhead interconnection by pressing it in place by hand and fully seating the connector in place.
    • Connect the EPC solenoid by pressing it in place by hand and fully seating the connector in place. Make sure that the terminals pass fully through the connector slots.
    • Connect the TCC by pressing it in place by hand and fully seating the connector in place. Make sure that the terminals pass fully through the connector slots.
    • Connect the shift solenoid SSA and SSB by pressing it in place by hand and fully seating the connector in place. Make sure that the terminals pass fully through the connector slots.
    9. Fig 8: Connecting Molded Lead Frame To Solenoids
    GF0003497Courtesy of FORD MOTOR CO.
    NOTE: If the transmission is being repaired for a contamination related failure, use a new transmission fluid filter and seal assembly. The transmission fluid filter can be reused if no excessive contamination is present.
  9. Install a new transmission fluid filter and seal.
    10. Fig 9: Installing A New Transmission Fluid Filter And Seal
    GF0003479Courtesy of FORD MOTOR CO.
  10. Position the transmission fluid pan magnet into the transmission fluid pan.
    11. Fig 10: Locating Pan Magnet In Transmission Fluid Pan
    G03888537Courtesy of FORD MOTOR CO.
    NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the transmission fluid pan gasket should be reused.
  11. Install the transmission fluid pan and gasket.
    1. Position the transmission fluid pan gasket.
    2. Position the transmission fluid pan.
    12. Fig 11: Positioning Fluid Pan With Gasket
    G04584260Courtesy of FORD MOTOR CO.
  12. Install the transmission fluid pan bolts.
    • Tighten to 14 Nm (10 lb-ft).
    13. Fig 12: Locating Transmission Fluid Pan Bolts
    GF0003474Courtesy of FORD MOTOR CO.
    NOTE: Start by filling the transmission with 4.7L (5 qt) of clean transmission fluid.
  13. Fill the transmission to the correct level with clean transmission fluid.
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