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Home >> Ford >> 2006 >> Taurus SE, 3.0 2 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Disassembly And Assembly Of Subassemblies >> Main Control Valve Body >> Disassembly
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Main Control Valve Body: Disassembly

  1. Remove the pump assembly.
    • Remove the bolts.
    • Remove the pump.
    Fig 1: Locating Pump Assembly
    G04710069Courtesy of FORD MOTOR CO.
    2. NOTE: The valve body separator plate has a bonded gasket.
    Fig 2: Locating Separator Plate Bolts
    G04710070Courtesy of FORD MOTOR CO.
  2. Remove the bolts and the separator plate.
    3. NOTE: Be sure to note the location of the check balls.
    Fig 3: Identifying Check Ball
    G04710071Courtesy of FORD MOTOR CO.
  3. Remove the check balls.
    CHECK BALL IDENTIFICATION CHART

    Item Check Ball Identification
    1 B4
    2 B1
    3 B3
    4 B2
    4. NOTE: The relief valve springs are not interchangeable.
    Fig 4: Identifying Manual Low Relief Valve And Cooler Bypass Spring
    G04710072Courtesy of FORD MOTOR CO.
  4. Tag and mark the location of the relief valve springs.
    1. Remove the modulator check valve and springs.
    2. Remove the modulator check valve and drain back spring.
    3. Remove the manual low relief valve and cooler bypass spring.
  5. Remove and discard the filters.
    1. Remove the solenoid regulator filter.
    2. Remove the torque converter clutch filter.
    Fig 5: Identifying Torque Converter Clutch Filter
    G04710073Courtesy of FORD MOTOR CO.
    6. CAUTION: Most valves are aluminum and cannot be removed using a magnet. Remove the valves by tapping the valve body on the palm of the hand to slide the valves out of the bores. It may be necessary to remove the valves and springs using a pick. If it is necessary to use a pick, use extreme caution to prevent damaging the valves or valve bores. If necessary, disassemble parts of the main control valve body in small groups. Take special care when handling the main control components, since they are the most precise and delicate parts of the transaxle. Neatly arrange the parts as they are removed to avoid mixing similar pieces.
    CAUTION: Do not stone or polish any valves. If the valves do not move freely, install a new assembly.
  6. Remove the individual valves and springs by removing the retaining clips and bore plugs. See Figure for valve and spring locations. Clean valves, springs and main control valve body.
  7. Inspect the valve body sleeve for wear or damage.
    • Verify that the hole in the valve body sleeve aligns with the hole in the circuit passage.
    • Verify that the edge of the sleeve is 5.5 mm (0.21 in) above the valve body surface.
    Fig 6: Locating Valve Body Sleeve
    G04710074Courtesy of FORD MOTOR CO.
    8. CAUTION: All the valves must be removed from the valve body during replacement of the sleeve to prevent possible damage.
    CAUTION: The machined passage surfaces of the valve body that contact the press supports should be protected during sleeve replacement.
    CAUTION: Do not press with excessive force when installing a new sleeve.
    Fig 7: Removing Sleeve From Valve Body Using Special Tool (307-394)
    G04710075Courtesy of FORD MOTOR CO.
  8. If a new sleeve is required, use the special tool and a suitable press to push the sleeve from the valve body.
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