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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 541 (Automatic Transmission - 6R80) >> In-Vehicle Repair >> Main Control >> Removal

Main Control: Removal

WARNING: This page is about a different car, the 2014 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The Solenoid Body Strategy Data Download procedure must be performed if a new main control assembly is installed.
  1. Remove the transmission fluid pan and filter. Refer to, FLUID PAN, GASKET AND FILTER .
  2. NOTE: Do not pull on the wire harness to disconnect the connector or damage to the connector will occur.

    Disconnect the transmission vehicle harness connector by twisting the outer shell and pulling back on the connector.

    Fig 1: Locating Transmission Vehicle Harness Connector
    G06127188Courtesy of FORD MOTOR CO.
  3. Pull the release tab and pull down on the bulkhead connector sleeve retainer.
    Fig 2: Locating Bulkhead Connector Release Tab
    G06127193Courtesy of FORD MOTOR CO.
  4. With the transmission bulkhead connector sleeve retainer released, use the Koastal Sleeve Remover to pull the outer shell of the bulkhead connector sleeve out of the transmission.
    G09543141
  5. Inspect the bulkhead connector sleeve seals.
    • If necessary, replace the seals.
      G09543142
  6. NOTE: During removal of the main control assembly, the thermal bypass valve may fall out of the transmission case. Damage to the valve may occur if the valve falls out.

    Remove the 11 bolts from the main control assembly and remove the main control assembly and the bypass valve.

    Fig 3: Locating Main Control Assembly Bolts
    G06127196Courtesy of FORD MOTOR CO.
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