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Home >> Mazda >> 2020 >> CX-3 AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Service Information) >> Control Valve Body Removal/Installation >> On-Vehicle Removal

On-Vehicle Removal

WARNING:
  • A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool.
  • Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses whenever using compressed air.
CAUTION:
  • If the control valve body has been replaced, perform initial learning. (See INITIAL LEARNING .)
  • If the control valve body has been replaced, perform TCM configuration. (See TCM CONFIGURATION .)
  • Placing the control valve body connector side pointed downward could damage the control valve body connector part or sensor. If the servicing can only be performed by pointing the control valve body connector side downward, spread shock-absorbing material, which does not produce dust or foreign matter, and place the control valve body connector part and sensor on the table so that they do not directly contact the table.
G13150561Courtesy of MAZDA MOTORS CORP.
  1. Select the selector lever to P position.
  2. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  3. Remove the front under cover No. 2. (See FRONT UNDER COVER NO. 2 REMOVAL/INSTALLATION .)
  4. Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents.
  5. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  6. Disconnect the control valve body connector.
    G13112295Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Make sure that your hand does not touch the terminal as the connector terminal could be damaged.
    • 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.
  7. Remove the hose clamp.
    G13112296Courtesy of MAZDA MOTORS CORP.
  8. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
  9. Remove the oil pan.
    NOTE:
    • Always use new oil pan installation bolts when re-installing the oil pan because the oil pan installation bolts cannot be reused.
  10. Remove the oil strainer.
    G11547960Courtesy of MAZDA MOTORS CORP.
  11. Remove the oil strainer O-rings.
    G13112298Courtesy of MAZDA MOTORS CORP.
  12. Remove the control valve body.
    CAUTION:
    • Remove the control valve body directly from underneath so that force is not applied to the control valve body connector in the lateral direction.
    G13112299Courtesy of MAZDA MOTORS CORP.
  13. Remove the oil seal (control valve body). (See OIL SEAL (CONTROL VALVE BODY) REPLACEMENT .)
  14. Remove the gasket from the transaxle case.
    G13112300Courtesy of MAZDA MOTORS CORP.
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