Main Control Valve Body: Installation

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

Install the main control assembly to transmission fluid pump seal.

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NOTE: Do not install a 71 mm length bolt in the location shown or the transmission clutch and planetary container will be damaged and result in transmission failure.

Loosely install the main control valve body.
1. Connect the internal wiring harness electrical connector while installing the main control valve body.
2. Align the TR sensor with the park pawl lock valve.
3. Align the guide pins on the main control valve body with the alignment holes in the transmission case.
4. Loosely install the 68 mm length main control-to-transmission case bolts.
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Lock the internal wiring harness electrical connector.

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Install the transmission fluid auxiliary pump tube seal.

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Inspect the transmission fluid auxiliary pump tube O-ring.

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Install the transmission fluid auxiliary pump tube and loosely install the bolt.

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1. Tighten the bolts No. 1-8 in the sequence shown.
  Torque: 89 lb.in (10 Nm)
2. Tighten bolt No. 9
  Torque: 106 lb.in (12 Nm)
Fig 1: Main Control Valve Body Bolts Tightening Sequence
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Install the transmission fluid pan gasket and filter. Refer to: Transmission Fluid Pan, Gasket and Filter .
NOTE: The solenoid body strategy data file and solenoid body identification must be updated anytime a new main control valve body is installed. A new main control valve body service tag must be installed over the current main control valve body service tag on the transmission case.

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