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Home › Mazda › 2021 › 3 Base › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transaxle (Service Information) (ET6A-El) › Control Valve Body Removal/Installation › On-Vehicle Installation

On-Vehicle Installation

  1. Install the gasket to the transaxle case.
    G09075563Courtesy of MAZDA MOTORS CORP.
  2. Install the dowel pin to the control valve body.
    G11547955Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • Oil with a color different from the genuine ATF may be adhered to a new control valve body.
    • If the dowel pin remains in the transaxle case, remove the dowel pin from the transaxle case and install the dowel pin to the control valve body.
  3. Install the control valve body so that the parking assist lever component is engaged in the gap between the two surfaces of the spool part of the manual valve.
    CAUTION:
    • Install the control valve body so that the turbine/input shaft speed sensor, output shaft speed sensor, and control valve body connector do not contact the transaxle case.
    G13558555Courtesy of MAZDA MOTORS CORP.
    Fig 1: Control Valve Body Bolts With Torque Specification
    G13176599Courtesy of MAZDA MOTORS CORP.
  4. Move the manual valve in both directions of the arrow and verify that the manual valve is correctly connected to the parking assist lever component and the slider pin for the range sensor.
    G13558557Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • If the manual valve only moves in the gap between the parking assist lever component surface and the manual valve surface, the manual valve and the parking assist lever component are correctly engaged.
  5. Install the new oil strainer O-rings.
    G13558558Courtesy of MAZDA MOTORS CORP.
  6. Install the new oil strainer.
    Fig 2: Oil Strainer Bolts With Torque Specification
    G13176602Courtesy of MAZDA MOTORS CORP.
  7. Apply a light coat of silicone sealant (TB1217E or equivalent) to the contact surfaces of the oil pan and transaxle case.
    G11441195Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Clean any remaining silicone sealant on the contact surface of the transaxle case and oil pan, and degrease the sealant area. Otherwise, oil could leak.
  8. Install the oil pan with new bolts before the applied sealant starts to harden.
    Fig 3: Oil Pan Bolts With Torque Specification
    G13715703Courtesy of MAZDA MOTORS CORP.
  9. Install the oil seal (control valve body). (See OIL SEAL (CONTROL VALVE BODY) REPLACEMENT .)
  10. Install a new hose clamp to the position shown in the figure.
    CAUTION:
    • If the hose clamp is reused it could cause ATF leakage, therefore use a new hose clamp.
    • Install the hose clamp tab to within the range shown in the figure.
    G13112310Courtesy of MAZDA MOTORS CORP.

    A: 210° 

    • Install the hose clamp so that it does not interfere with the top and bottom flanges of the oil seal to maintain the waterproofing integrity.
    G13112311Courtesy of MAZDA MOTORS CORP.
  11. Connect the control valve body connector.
    G13558547Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Make sure that your hand does not touch the terminal as the connector terminal could be damaged.
    • Verify that there is no fluid or foreign matter adhering to the connector before connecting the connector.
    • Insert the connector straight as the connector terminal could be damaged.
    • Rotate the connector lever until a click is heard.
  12. Add the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
  13. Install the front under cover No. 2. (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  14. Install the front under cover No. 1. (See FRONT UNDER COVER No. 1 REMOVAL/INSTALLATION .)
  15. Install the following parts as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [(VIN 7 & VIN L) (US)] .)
    • Air cleaner cover
    • Air cleaner element
    • Fresh-air duct
    • Air cleaner case
    • Air hose
    • Resonance chamber
  16. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  17. If the control valve body is replaced, perform the following procedure.
    1. Perform the "TCM configuration". (See TCM CONFIGURATION .)
    2. Perform the "Initial Learning" (See INITIAL LEARNING .)
  18. Perform the "Mechanical System Test". (See MECHANICAL SYSTEM TEST .)
  19. Perform the "Road Test". (See ROAD TEST .)
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