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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 6F35) >> Disassembly And Assembly >> Main Control - Overhaul

Main Control - Overhaul

WARNING: This page is about a different variant/trim than selected.
Special Tool(s)

GFD35786Courtesy of FORD MOTOR COMPANY
 Pins, Leadframe Guide 307-636
GFD35787Courtesy of FORD MOTOR COMPANY
GFD35788Courtesy of FORD MOTOR COMPANY
GFD35789Courtesy of FORD MOTOR COMPANY
Item Part Number Description
1 7G276 Leadframe
2 7A100 Main control valve body
3 7E195 Check balls (3 required)
4 7J191 Solenoid damper (SSA)
5 7Z490 Solenoid body-to-valve body separator plate
6 7J193 Damper pistons and springs (3 required)
7 7J191 Elastomeric damper
8 - Dowel pins (2 required)
9 7G391 Solenoid body
10 7H111 Solenoid retaining pin (14 required)
11 7C389 Manual valve
12 7G473 Solenoid pressure regulator valve assembly
13 7G179 Clutch bypass valve
14 7G307 TCC regulator valve
15 7B200 Control pressure regulator
16 7D102 Direct (3, 5, R) clutch regulator valve
17 7D102 Intermediate (2, 6) clutch regulator valve
18 7D102 Forward (1, 2, 3, 4) clutch regulator valve
19 7J187 Forward (1, 2, 3, 4) clutch latch valve
20 7D102 Low reverse/overdrive (4, 5, 6) clutch regulator valve
21 7J187 Direct (3, 5, R) clutch latch valve
22 7J187 Intermediate (2, 6) clutch latch valve
23 7J187 Low reverse/overdrive (4, 5, 6) clutch latch valve
24 7G383 LPC solenoid
25 7G136 SSC
26 7G136 TCC solenoid
27 7G484 SSE ON/OFF solenoid
28 7G136 SSA
29 7G383 SSB
30 7G383 SSD

Main Control Valve Body and Solenoid Body 

  1. 1.

    Remove the solenoid body-to-valve body bolts and separate the solenoid body from the valve body.
GFD35703Courtesy of FORD MOTOR COMPANY

  1. 2.

    Remove the separator plate-to-solenoid body bolts and remove and discard the separator plate.
GFD35790Courtesy of FORD MOTOR COMPANY

Main Control Valve Body 

  1. 3.

    Remove the check balls and the damper.

    1. 1.

      Check balls

    1. 2.

      Solenoid damper
GFD35791Courtesy of FORD MOTOR COMPANY

  1. 4.

    Remove the manual valve.
GFD35792Courtesy of FORD MOTOR COMPANY
    NOTE: The bypass valve is held in with a spring-loaded retainer. Be careful not to lose the retainer when removing it.
    NOTE: 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. 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 transmission. Neatly arrange the parts as they are removed to avoid mixing similar pieces.

  1. 5.
    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. If needed, use a 4-mm bolt to thread into the valves to remove the valves. See the Valve Body illustration for valve and spring locations.
GFD35793Courtesy of FORD MOTOR COMPANY
    NOTE: 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.

  1. 6.
    Clean the valves, springs and main control valve body.
GFD35794Courtesy of FORD MOTOR COMPANY
    NOTE: 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 valve body.

  1. 7.
    Install the valve body valves, springs and retaining clips in the main control valve body. See the Valve Body illustration at the beginning of this procedure for valve and spring locations.
GFD35795Courtesy of FORD MOTOR COMPANY

  1. 8.

    Install the manual valve in the valve body.
GFD35792Courtesy of FORD MOTOR COMPANY

  1. 9.

    Install the check balls and the solenoid damper.

    1. 1.

      Check balls

    1. 2.

      Solenoid damper
GFD35791Courtesy of FORD MOTOR COMPANY

Solenoid Body 

  1. 10.

    Remove the solenoid body dampers and springs.

    1. 1.

      Damper pistons and springs

    1. 2.

      Elastomeric damper
GFD35796Courtesy of FORD MOTOR COMPANY

  1. 11.

    Compress the valve springs with a screwdriver 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. See the Solenoid Body illustration at the beginning of this procedure for valve and spring locations.
GFD35797Courtesy of FORD MOTOR COMPANY
    NOTE: Be careful not to bend or twist the solenoid body leadframe or the solenoid terminals when removing the leadframe or damage can occur to the leadframe or the solenoids.

  1. 12.
    Remove the screws and carefully remove the leadframe from the solenoids by lifting it straight up evenly.
GFD35798Courtesy of FORD MOTOR COMPANY
    NOTE: 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 can cause damage to the transmission or a harsh shift.

  1. 13.
    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.
GFD35799Courtesy of FORD MOTOR COMPANY

  1. 14.

    Remove the solenoid retaining pins.
GFD35800Courtesy of FORD MOTOR COMPANY

  1. 15.

    Remove the solenoids from the solenoid body.
GFD35801Courtesy of FORD MOTOR COMPANY
    NOTE: 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.
    NOTE: 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.

  1. 16.
    Clean and inspect the solenoid body, solenoids and valve assemblies for damage.
GFD35802Courtesy of FORD MOTOR COMPANY

  1. 17.

    Inspect the solenoid screens for debris that may restrict fluid flow through the screen.
GFD35732Courtesy of FORD MOTOR COMPANY
    NOTE: 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.

  1. 18.
    If new solenoid(s) are not being installed, position the solenoids in the solenoid body ports from which their numbers correspond.
GFD35733Courtesy of FORD MOTOR COMPANY

  1. 19.

    If installing a new VFS, determine the base part number of the solenoid(s). The TCC solenoid, SSA and SSC are all normally low pressure solenoids. The LPC solenoid, SSB and SSD are all normally high pressure solenoids. The SSE is not a VFS, it is an ON/OFF solenoid.
    Item Part Number Description
    1 7G383 LPC solenoid (normally high)
    2 7G136 SSC solenoid (normally low)
    3 7G136 TCC (normally low)
    4 7G484 SSE (normally closed [OFF])
    5 7G136 SSA (normally low)
    6 7G383 SSB (normally high)
    7 7G383 SSD solenoid (normally high)
    8 7G391 Solenoid body
GFD35546Courtesy of FORD MOTOR COMPANY

  1. 20.

    If installing new solenoids, note the color of the plastic nozzle and the large O-ring. High pressure solenoids, such as the LPC solenoid, SSB and SSD, have black plastic nozzles and orange O-rings. Low pressure solenoids, such as the TCC solenoid, SSA and SSC, have brown plastic nozzles and green O-rings. The solenoids can only be replaced with the same color solenoid.
GFD35734Courtesy of FORD MOTOR COMPANY

  1. 21.

    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.
    Solenoid Band Number Part Number Suffix
    1 B
    2 C
    3 D
    4 E
    5 F
GFD35536Courtesy of FORD MOTOR COMPANY

  1. 22.

    Install the solenoid(s) in the solenoid body.
GFD35735Courtesy of FORD MOTOR COMPANY

  1. 23.

    Install the solenoid retaining pin(s).
GFD35803Courtesy of FORD MOTOR COMPANY

  1. 24.

    Install the special tools in the solenoid body to align the leadframe for installation.
GFD35804Courtesy of FORD MOTOR COMPANY
    NOTE: Be careful not to bend or twist the solenoid body leadframe or the solenoid terminals when installing the leadframe or damage can occur to the leadframe or the solenoids.

  1. 25.
    Position the leadframe on the guide pins and carefully install the leadframe by pushing it straight down into the solenoids.
GFD35805Courtesy of FORD MOTOR COMPANY

  1. 26.

    Install the leadframe screws.
GFD35806Courtesy of FORD MOTOR COMPANY
    NOTE: 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.

  1. 27.
    Install the solenoid body valves, springs and retaining clips in the solenoid body. See the Solenoid Body illustration at the beginning of this procedure for valve and spring locations.
GFD35807Courtesy of FORD MOTOR COMPANY

  1. 28.

    Install the solenoid body dampers and springs.

    1. 1.

      Damper pistons and springs

    1. 2.

      Elastomeric damper
GFD35796Courtesy of FORD MOTOR COMPANY

Main Control Valve Body and Solenoid Body 

  1. 29.

    Install the new separator plate and the separator plate-to-solenoid body bolts.
    • Tighten to 10 Nm (89 lb-in).
GFD35808Courtesy of FORD MOTOR COMPANY

  1. 30.

    Position the solenoid body assembly on the valve body and install the solenoid body-to-valve body bolts.
    • Tighten to 10 Nm (89 lb-in).
GFD35809Courtesy of FORD MOTOR COMPANY
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