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Home >> Mazda >> 2020 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Service Information) >> Transmission Fluid Temperature (TFT) Sensor Removal/Installation

Transmission Fluid Temperature (TFT) Sensor Removal/Installation

WARNING:
  • A hot transmission and ATF can cause severe burns. Turn off the engine and wait until they are cool before replacing ATF.
CAUTION:
  • Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Drain the ATF. (See AUTOMATIC TRANSMISSION FLUID (ATF) REPLACEMENT .)
    CAUTION:
    • Do not damage the installation surface of the transmission case and the oil pan.
    • Do not deform the oil pan.
  3. Remove the oil pan and gasket.
  4. Remove the oil strainer from the control valve body component.
    G11279161Courtesy of MAZDA MOTORS CORP.
  5. Remove the O-ring from the oil strainer.
  6. Disconnect the connectors from the solenoids.
    G11279160Courtesy of MAZDA MOTORS CORP.
  7. Disconnect the coupler component from the clamps.
  8. Remove the lock plate from the control valve body component.
    G11279159Courtesy of MAZDA MOTORS CORP.
  9. Pull the TFT sensor from the control valve body component.
  10. Remove the coupler component mounting bolt from the transmission case.
  11. Remove the coupler component from the transmission case.
  12. Remove the O-ring from the coupler component.
  13. Install a new O-ring to the coupler component.
  14. Tighten the coupler component mounting bolt to the transmission case.

    Tightening torque 

    3.9-6.9 N.m {40-49 kgf.cm, 35-42 in.lbf}

  15. Install the TFT sensor and the lock plate with the bolt to the control valve body component.
    G11279159Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    8.0-12.0 N.m {82-122 kgf.cm, 26-42 in.lbf}

  16. Connect the coupler component to the clamps.
    G11279160Courtesy of MAZDA MOTORS CORP.
    G11279156Courtesy of MAZDA MOTORS CORP.
  17. Connect the connectors to the solenoids.
  18. Coat a new O-ring with ATF and install it to the oil strainer.
  19. Install the oil strainer to the control valve body component with the bolts.
    G11279161Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Be careful not to allow foreign matter to penetrate the interior of the transmission.
  20. Clean the contact surface of the oil pan and transmission case.
    G13489447Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not damage the fitting surface of the transmission case and the oil pan.
    • Do not deform the oil pan.
  21. Install a new oil pan gasket and the oil pan to the transmission case.
    G11279163Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Be careful not to tighten the bolts excessively because the oil pan gasket is made of cork.
  22. Tighten the oil pan installation bolts.

    Tightening torque 

    6.0-7.9 N.m {62-80 kgf.cm, 54-69 in.lbf}

  23. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  24. Add ATF and, with the engine idling, inspect the ATF level and inspect for leakage. (See AUTOMATIC TRANSMISSION FLUID (ATF) LEVEL ADJUSTMENT .)
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