Ford Mustang (1999-2004) Service Manual: Main Control Valve Body

Special Tool(s)

Gauge, Transmission Solenoid Connectors 307-426

Removal

1. Drain transmission fluid and remove the transmission fluid pan and filter. For additional information, refer to Fluid Pan, Gasket and Filter .

2. CAUTION: Do not pull on the molded lead frame. This may cause damage to the connector ends. Carefully pry up on the locking tabs to disconnect the solenoids.

Disconnect the molded lead frame from the solenoids.

Disconnect the molded lead frame from the solenoids.

1. Disconnect the shift solenoid SSA and SSB.

2. Disconnect the torque converter clutch (TCC).

3. Disconnect the electronic pressure control (EPC) solenoid.

4. Disconnect the bulkhead inter-connector.

Main Control Valve Body

3. Remove the manual control valve detent lever spring.

1. Remove the bolt.

2. Remove the manual control valve detent lever spring.

Main Control Valve Body

4. Remove the 24 valve body-to-case bolts.

Main Control Valve Body

5. Remove the main control valve body and discard the pump outlet screen.

Main Control Valve Body

Installation

1. NOTE: Make sure that the drive pin of the manual valve detent lever assembly engages the manual valve in the correct location prior to installing the bolts.

Position the main control valve body gasket and main control valve body using the two alignment bolts as a guide.

Main Control Valve Body

2. NOTE: The main control valve body bolts will be tightened in later steps.

Loosely install the bolts.

Main Control Valve Body

3. NOTE: The main control valve body bolts will be tightened in later steps.

Loosely install the bolts.

Main Control Valve Body

4. Install the manual control valve detent lever spring.

1. Position the manual control valve detent lever spring.

2. Install the bolt.

Main Control Valve Body

5. Tighten the main control valve body bolts in the sequence shown.

Main Control Valve Body

6. Inspect the lead frame for damage.

  • Using the special tool, check all lead frame solenoid connections. The gauge should fit tightly and not fall out after being inserted.
  • If the special tool passes through any lead frame connector pins or does not feel like it makes a good contact, install a new lead frame.

Main Control Valve Body

7. Connect the molded lead frame to the solenoids.

  • Connect the bulkhead inter-connector by pressing it in place by hand and fully seating the connector in place.
  • Connect the EPC solenoid by pressing it in place by hand and fully seating the connector in place. Make sure that the terminals pass fully through the connector slots.
  • Connect the TCC by pressing it in place by hand and fully seating the connector in place.

    Make sure that the terminals pass fully through the connector slots.

  • Connect the shift solenoid SSA and SSB by pressing it in place by hand and fully seating the connector in place. Make sure that the terminals pass fully through the connector slots.

Main Control Valve Body

8. Install the transmission filter and pan. For additional information, refer to Fluid Pan, Gasket and Filter in this section.

Main Control Valve Body

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