Lincoln Corsair Manuals

Lincoln Corsair: Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40 / Overhaul - Main Control Valve Body

Special Tool(s) / General Equipment

Flat Headed Screw Driver

Materials

Name Specification
Motorcraft® MERCON® ULV Automatic Transmission Fluid
XT-12-QULV
WSS-M2C949-A,
MERCON® ULV
 

Main Control Valve Body and Solenoid Body

  1. Unlock and disconnect the transmission shift solenoid electrical connectors and the TFT sensor electrical connector. Unlock and disconnect the transmission pressure sensor and the park lock solenoid electrical connector. Remove the bolt and the wiring harness assembly.
  1. Remove the bolt and the transmission fluid pressure sensor.
  1. Remove the push pin retainer and the TFT sensor.
  1. Remove the bolts and the park lock pawl solenoid.
  1. Remove the solenoid body-to-main control bolt.
  1. Remove the bolt, the push pin retainer and the seperator plate.
  1. Remove the No. 6 check ball.
  1. Seperate the main control from the solenoid body.

Main Control Valve Body and Solenoid Body

  1. Remove the push pin retainers and the seperator plate.

  1. Remove the following items.
    1. Solenoid damper (If equipped)
    1. Bypass valve
    1. Check ball (Park-by-wire vehicles)
    1. Check ball
  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.

    Compress the valve springs with a screwdriver and remove the retainers with a magnet. Use a pick to remove the bypass valve retainer. Remove the individual valves and springs from the main control valve body by tapping the valve body on the palm of the hand to slide the valves out of the bores.
    Use the General Equipment: Flat Headed Screw Driver
  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. Install the valve body valves, springs and retaining clips in the main control valve body. For valve and spring locations.
    Refer to: Main Control Valve Body (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Description and Operation).

  1. Install the following items.
    1. Solenoid damper (If equipped)
    1. Bypass valve
    1. Check ball (Park-by-wire vehicles)
    1. Check ball
  1. Install the seperator plate and the push pin retainers.

Solenoid Body

  1. Using a paint marker, number the solenoids and the solenoid body to correspond with the ports from which the solenoids are located in the solenoid body.
  1. Remove and discard the transmission shift solenoid clip and remove the transmission shift solenoid.
  1. NOTE: Failure to install the components in the correct location will result in harsh/soft or no shifts or damage to the transmission.

    If new solenoids are needed, identify the solenoid band number.

  1. Remove and discard the transmission solenoid hold down clamp bolts, remove the clamps and transmission solenoids.
    1. The TCC solenoid is identified by the green electrical connector.
    1. The LPC solenoid is identified by the blue electrical connector.
  1. Inspect the solenoid screens for debris that may restrict transmission fluid flow through the screen.
  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.

    Clean and inspect the solenoid body, solenoids and valve assemblies for damage.
  1. Install the transmission shift control valves and the transmission shift control solenoids and new clips.
  1. NOTE: The A-F clutches use linear force solenoids, the CIDAS are all normally low solenoids.

    1. SSA (CB12345) solenoid part number 7J136
    1. SSF (CB28) solenoid part number 7J136
    1. SSB (C46R) solenoid part number 7J136
    1. SSD (SOWC) solenoid part number 7J136
    1. SSE (C5678) solenoid part number 7J136
    1. SSC (CB37) solenoid part number 7J136
  1. Lubricate the transmission solenoid O-rings with clean transmission fluid.
    Material: Motorcraft® MERCON® ULV Automatic Transmission Fluid / XT-12-QULV (WSS-M2C949-A, ) (MERCON® ULV)
  1. NOTE: If installing a new Variable Force Solenoid (VFS), determine the base part number of the solenoid(s). The TCC solenoid is a normally low pressure solenoid. The LPC solenoid is a normally high pressure solenoid.


    Install the transmission solenoids, hold down clamps and new bolts.
    1. The TCC solenoid is identified by the green electrical connector. The TCC solenoid part number 7G136.
    1. The LPC solenoid is identified by the blue electrical connector. The LPC solenoid part number 7G383.
      Torque: 89 lb.in (10 Nm)

Main Control Valve Body and Solenoid Body

  1. Install the main control body to the solenoid body.
  1. Install the No. 6 check ball.
  1. Install the seperator plate, the push pin retainer and the bolt.
    Torque: 62 lb.in (7 Nm)
  1. Install the solenoid body-to-main control bolt.
    Torque: 89 lb.in (10 Nm)
  1. Install the park lock pawl solenoid and the bolts.
    Torque: 53 lb.in (6 Nm)
  1. Lubricate the TFT sensor O-ring with clean transmission fluid.
    Material: Motorcraft® MERCON® ULV Automatic Transmission Fluid / XT-12-QULV (WSS-M2C949-A, ) (MERCON® ULV)
  1. Install the TFT sensor and push pin retainer.
  1. Lubricate the transmission fluid pressure sensor O-rings with clean transmission fluid.
    Material: Motorcraft® MERCON® ULV Automatic Transmission Fluid / XT-12-QULV (WSS-M2C949-A, ) (MERCON® ULV)
  1. Install the transmission fluid pressure sensor and the bolt.
    Torque: 89 lb.in (10 Nm)
  1. Install the transmission wiring harness assembly and install the bolt. Connect the transmission shift solenoid electrical connectors and the TFT sensor electrical connector and lock the connectors. Connect the transmission fluid pressure sensor, the park lock solenoid electrical connector and lock the connectors.
    Torque: 89 lb.in (10 Nm)

    Removal - Transmission

    To remove the transmission assembly. Refer to: Transmission (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation)...

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