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Oil Seal (Control Valve Body) Replacement

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Remove the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  3. Disconnect the control valve body connector.
    Fig 1: Control Valve Body Connector
    G11637807Courtesy of MAZDA
    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.
  4. Remove the hose clamp.
    Fig 2: Removing Hose Clamp
    G11637808Courtesy of MAZDA
  5. Cut the oil seal using a utility knife as shown in the following illustration.
    Fig 3: Cutting Oil Seal Using Utility Knife
    G11637809Courtesy of MAZDA
    CAUTION:
    • Do not damage the transaxle case.
    • Do not damage the control valve body coupler connector.
    • To prevent foreign matter penetration, clean the oil seal area thoroughly and cut the oil seal so as not to leave cutting fragments.
  6. Using a tape-wrapped flathead screwdriver, remove the oil seal from the transaxle case.
    Fig 4: Removing Oil Seal From Transaxle Case Using Flathead Screwdriver
    G11637810Courtesy of MAZDA
    NOTE:
    • Remove the oil seal by tapping the tip of a tape-wrapped flathead screwdriver on the inner circumference surface A area of the oil seal.
    Fig 5: Oil Seal And Cut Line
    G11637811Courtesy of MAZDA
  7. Temporarily install the oil seal (control valve body) by hand.
  8. Using the SSTs and a hammer, install the oil seal (control valve body) so that it is not tilted and there is no height difference between the transaxle case surface and the end surface of the oil seal.
    Fig 6: Installing Oil Seal Using SSTs And Hammer
    G11637812Courtesy of MAZDA
    CAUTION:
    • When installing the oil seal (control valve body), do not mistakenly hit the control valve body connector with the hammer. Otherwise the control valve body connector could be damaged making it no longer waterproof.
  9. 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.
    Fig 7: Hose Clamp Installation Position
    G11637813Courtesy of MAZDA

    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.
    Fig 8: Hose Clamp Installation Range
    G11637814Courtesy of MAZDA
  10. Connect the control valve body connector.
    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.
    Fig 9: Control Valve Body Connector
    G11637815Courtesy of MAZDA
  11. Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  12. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
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