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Home >> Mazda >> 2004 >> B4000 Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission [Service, Removal & Installation] >> Control Valve Body Harness Removal/Installation >> Removal Note

Removal Note

NOTE:
  • When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle re-learns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts either soft or firm and this is a temporary condition and will eventually return to normal operating condition.
  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle.
  3. Disconnect vehicle harness from transmission case (16 pin) connector.
  4. Drain the transmission fluid; see AUTOMATIC TRANSMISSION OIL PAN (GASKET AND OIL STRAINER) REMOVAL/INSTALLATION  .
    NOTE:
    • The control assembly does not need to be removed.
  5. Remove the transmission oil strainer.
    1. Remove the transmission oil strainer bolt.
    2. Remove the transmission oil strainer.
    Fig 1: Removing Transmission Oil Strainer
    G01938389Courtesy of MAZDA MOTORS CORP.
  6. Remove main control valve body wire loom.
    • Carefully lift up on wire loom guide and protector and disengage the retaining pins from the solenoid clamps.
    Fig 2: Removing Main Control Valve Body Wire Loom
    G01938390Courtesy of MAZDA MOTORS CORP.
  7. Disconnect the solenoid electrical connectors.
    1. Disconnect the SS1, SS2, SS3 and the CCS/SS4 electrical connectors.
    2. Disconnect the torque converter clutch (TCC) solenoid electrical connector.
    3. Disconnect the electronic pressure control (EPC) solenoid electrical connector.
    Fig 3: Disconnecting Solenoid Electrical Connectors
    G01938391Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • The TCC solenoid and converter modulator valve may pop out of its bore. This may damage the solenoid or converter modulator valve.

      Shift solenoids may pop out of their bore. This may damage the solenoids.

  8. Remove the EPC and SS2 solenoids.
    1. Remove the solenoid clamp bolts.
    2. Remove the solenoid clamp.
    3. Remove the EPC and SS2 solenoids.
    Fig 4: Removing EPC & SS2 Solenoids
    G01938392Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not pry on the other wires or damage the connector case surface.
  9. Disconnect the turbine shaft speed (TSS) sensor electrical connector from the transmission case (16 pin) electrical connector.
    1. Disconnect the TSS sensor electrical connector.
    2. Remove from the TSS sensor wire locator.
    Fig 5: Disconnecting Turbine Shaft Speed (TSS) Sensor Electrical Connector
    G01938393Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not overstretch the retaining spring.
  10. Remove the transmission case (16 pin) electrical connector retaining spring.
    Fig 6: Removing Transmission Case Electrical Connector Retaining Spring
    G01938394Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not damage the connector or harness.
  11. Remove the transmission case (16 pin) electrical connector.
    1. Compress the tabs on the transmission case (16 pin) electrical connector.
    Fig 7: Removing Transmission Case Electrical Connector
    G01938395Courtesy of MAZDA MOTORS CORP.
  12. Push the transmission case (16 pin) electrical connector out of transmission case.
    Fig 8: Removing Transmission Case Electrical Connector From Transmission
    G01938396Courtesy of MAZDA MOTORS CORP.
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