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Home >> Mazda >> 2014 >> CX-9 Touring, 3.7L Eng VIN A, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System >> Control Valve Body Cover Replacement

Control Valve Body Cover Replacement

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.
  1. Disconnect the negative battery cable.
  2. Remove the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  3. Remove the air cleaner bracket. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  4. Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents.
  5. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
  6. Disconnect the oil hose from the oil cooler. (See OIL COOLER REMOVAL/INSTALLATION .)
  7. Disconnect the oil cooler from the transaxle with the water hose connected, and set it out of the way. (See OIL COOLER REMOVAL/INSTALLATION .)
  8. Disconnect the oil hose from the oil pipe component (transaxle side). (See OIL COOLER REMOVAL/INSTALLATION .)
  9. Remove the oil pipe component (transaxle side). (See OIL COOLER REMOVAL/INSTALLATION .)
  10. Remove the control valve body cover installation bolt.
    Fig 1: Locating Control Valve Body Cover Installation Bolts
    G07626056Courtesy of MAZDA MOTORS CORP.
  11. Using a plastic hammer, tap the control valve body cover to remove it.
    CAUTION:
    • Do not damage the fitting surface of the transaxle case and the control valve body cover.
    • Do not deform the control valve body cover.
      Fig 2: Tapping Control Valve Body Cover
      G07822957Courtesy of MAZDA MOTORS CORP.
  12. Clean sealant and oil off the contact surface of the transaxle case with the control valve body cover and the bolt holes.
    NOTE:
    • Completely remove sealant and oil with white gasoline or similar.
  13. Clean oil off the contact surface of the new control valve body cover with the transaxle case.
    Fig 3: Locating Control Valve Body Cover Bolt Holes
    G07822958Courtesy of MAZDA MOTORS CORP.
  14. Apply sealant to the new control valve body cover as shown in the illustration.
    Fig 4: Control Valve Body Cover Sealant Application Area
    G07822779Courtesy of MAZDA MOTORS CORP.
  15. Install the new control valve body cover with new seal bolts before the applied sealant starts to harden.
    CAUTION:
    • Be careful that the coupler component will not become caught between the control valve body cover and transaxle case.

    Tightening Torque: 10-15 N.m {102-152 kgf.cm, 89-132 in.lbf} 

    Fig 5: Locating Control Valve Body Cover Bolts
    G07626056Courtesy of MAZDA MOTORS CORP.
  16. Install the oil pipe component (transaxle side). (See OIL COOLER REMOVAL/INSTALLATION .)
  17. Connect the oil hose to the oil pipe component (transaxle side). (See OIL COOLER REMOVAL/INSTALLATION .)
  18. Install the oil cooler to the transaxle. (See OIL COOLER REMOVAL/INSTALLATION .)
  19. Connect the oil hose to the oil cooler. (See OIL COOLER REMOVAL/INSTALLATION .)
  20. Install the air cleaner bracket. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  21. Add ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT .)
  22. Install the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  23. Connect the negative battery cable.
  24. Adjust the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) LEVEL ADJUSTMENT .)
  25. Perform the "Mechanical System Test". (See MECHANICAL SYSTEM TEST .)
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