Main Control Valve Body: Installation

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before installing the main control assembly into the transmission case, verify the presence and orientation of the center support feed tube seals. Also note that one or more of the center support feed tube seals may have remained in the main control assembly during removal and should be installed into the transmission case at this time.
1. Center support feed tube seal (7G199 Black)
2. Center support feed tube seal (7G087 Green or Orange)
3. Center support feed tube seal (7G084 Blue)
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1. Install the new main control-to-case gasket.
2. Install the front pump adapter seal.
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Material: Petroleum Jelly Coat the thermal bypass valve or plug with petroleum jelly to hold it in place and install the thermal bypass valve or plug into the transmission case.
1. NOTE: Vehicles without transmission fluid warmer.
  
  Thermal bypass valve
2. NOTE: Vehicles equipped with transmission fluid warmer.
  
  Blank plug
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NOTE: The main control will not rest flush on the on the transmission case, this is a normal condition with the rubber feed tubes, the bolts will pull the main control assembly to the case.

Align the main control pins with the case and the manual valve pin with the main control and loosely install the bolts.
1. Alignment holes in the transmission case.
2. Manual valve and manual valve pin.
3. Loosely install the main control valve body bolts.
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Install the remaining main control valve body bolts and tighten in the sequence shown below.
Torque: 71 lb.in (8 Nm)

Fig 1: Main Control Valve Body Bolts Tightening Sequence
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If removed, install the bulkhead connector sleeve seals.

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With the release tab down and unlocked, push the outer shell of the bulkhead electrical connector into the transmission. Make sure the bulkhead connector is fully seated into the molded leadframe. Push up on the tab and lock the outer shell of the bulkhead electrical connector in place. Make sure the locking tab is securely locked.

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1. Connect the transmission electrical connector.
2. Rotate the transmission electrical connector clockwise to lock it.
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Install the transmission fluid pan and filter. Refer to: Transmission Fluid Pan, Gasket and Filter .
Prime the Transmission Fluid Auxiliary Pump. Using a diagnostic scan tool, Key ON, Engine OFF, command TRANS_PMP_CMD to 80% for 30 seconds.
Carry out a road test until there is a stop / start event. If the restart is harsh, repeat the Transmission Fluid Pump prime procedure.
Continue road test and evaluate each stop / start event. Repeat prime procedure until three consecutive normal stop / start events are achieved.
Clear DTCs.
NOTE: If an individual solenoid was replaced clear the adaptive strategy.

If any of the solenoids were replaced, Perform a Road Test -- Adaptive Drive Cycle after the adaptive strategy is cleared. Refer to: Adaptive Learning Drive Cycle .
NOTE: The solenoid body strategy data file and solenoid body identification must be updated anytime a new solenoid body is installed. A new solenoid body service tag must be installed over the current solenoid body service tag on top of the transmission case.

If a new main control was installed, download a new transmission strategy. Refer to: Transmission Strategy Download .