307-01B Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F35 2013 - 2014 MKZ
Overhaul Procedure revision date: 08/21/2013

Main Control Valve Body

Main Control Valve Body

    1. Check balls
    1. Solenoid damper

  1. NOTICE: Remove the valves by tapping the valve body on the palm of the hand to slide the valves out of the bores or by threading a 4-mm bolt into the valves and pulling them out. 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. Arrange the parts as they are removed to avoid mixing similar pieces.

    General Equipment : Flat Headed Screw Driver
    General Equipment : Magnetic Socket

  1. NOTICE: Do not stone or polish any valves or damage to the valves can occur. If the valves do not move freely, install a new assembly.

    Clean the valves, springs and main control valve body.
  1. For valve and spring locations.
    Refer to: Main Control Valve Body (307-01B Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F35, Description and Operation).
    1. Check balls
    1. Solenoid damper
  1. For disassembly and assembly of the solenoid body, refer to Solenoid Body in this procedure.
  1. Torque : 10 Nm
  1. Torque : 10 Nm

Solenoid Body

  1. NOTE: If not previously done, separate the solenoid body from the valve body.

  1. Compress the valve springs and remove the retainers with a magnet. Remove the individual valves and springs from the solenoid body by tapping it on the palm of the hand to slide the valves out of the bores.
    General Equipment : Flat Headed Screw Driver
    General Equipment : Magnetic Socket

  1. NOTICE: Be careful not to bend or twist the transmission internal wiring harness frame or solenoid terminals when removing the transmission internal wiring harness frame or damage can occur.

  1. NOTICE: The solenoids are calibrated from the factory and are not all the same. Failure to mark the solenoids to the ports they were originally in can result in mixing the solenoids and cause damage to the transmission or a harsh shift.

  1. General Equipment : Long Nose Pliers

  1. NOTICE: Be careful not to wash the numbers from the solenoids or the solenoid body. Failure to install the solenoids in the ports they were originally in can result in damage to the transmission or a harsh shift.

    NOTICE: Do not stone or polish any valves or damage to the valves can occur. If the valves do not move freely during assembly, install a new solenoid body.

  1. Inspect the solenoid screens for debris that may restrict fluid flow through the screen.

  1. NOTICE: The solenoids are calibrated from the factory and are not all the same. Failure to install the solenoids in the ports they were originally in can result in damage to the transmission or a harsh shift.

    If new solenoid(s) are not being installed, position the solenoids in their corresponding solenoid body ports.
  1. For information on component views and base part numbers.
    Refer to: Main Control Valve Body (307-01B Automatic Transmission - Vehicles With: 6-Speed Automatic Transmission - 6F35, Description and Operation).

  1. NOTE: If installing a new Variable Force Solenoid (VFS), determine the base part number of the solenoid(s). The TCC solenoid, Shift Solenoid A (SSA) and Shift Solenoid C (SSC) are all normally low pressure solenoids. The Line Pressure Control (LPC) solenoid, Shift Solenoid B (SSB) and Shift Solenoid D (SSD) are all normally high pressure solenoids. Shift Solenoid E (SSE) is not a Variable Force Solenoid (VFS); it is an ON/OFF solenoid.

    1. Line Pressure Control (LPC) solenoid (normally high) part number 7G383
    1. Shift Solenoid C (SSC) (normally low) part number 7G136
    1. TCC solenoid (normally low) part number 7G136
    1. Shift Solenoid E (SSE) (normally closed [OFF]) part number 7G484
    1. Shift Solenoid A (SSA) (normally low) part number 7G136
    1. Shift Solenoid B (SSB) (normally high) part number 7G383
    1. Shift Solenoid D (SSD) (normally high) part number 7G383
    1. Solenoid body part number 7G391

  1. NOTE: If installing new solenoids, note the color of the plastic nozzle and the large O-ring. High pressure solenoids, such as the Line Pressure Control (LPC) solenoid, Shift Solenoid B (SSB) and Shift Solenoid D (SSD), have black plastic nozzles and orange O-rings. Low pressure solenoids, such as the TCC solenoid, Shift Solenoid A (SSA) and Shift Solenoid C (SSC), have brown plastic nozzles and green O-rings. The solenoids can only be replaced with the same color solenoid.

  1. NOTE: Determine the part number suffix by checking the solenoid service band number etched on the side of the solenoid. The band number is next to the two-dimensional matrix barcode on the side of the solenoid and will be a 1, 2, 3, 4 or 5. Determine the part number suffix and match the new solenoid base part number and suffix with the old solenoid.

    1. = (B)
    1. = (C)
    1. = (D)
    1. = (E)
    1. = (F)
  1. Special Tool(s) : 307-636 Alignment Pins- Valve Body

  1. NOTICE: Be careful not to bend or twist the transmission internal wiring harness frame or solenoid terminals when removing the transmission internal wiring harness frame or damage can occur.

  1. Torque : 3.5 Nm

  1. NOTICE: If the valves do not move freely during assembly, install a new solenoid body. Failure to install a new solenoid body can result in a harsh shift or damage to the transmission.

    General Equipment : Flat Headed Screw Driver
  1. Torque : 10 Nm
  1. Refer to Main Control Valve Body in this procedure for disassembly and assembly of the valve body.
  1. Torque : 10 Nm


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