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Home >> Mazda >> 2016 >> CX-9 Touring, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Service Information) >> Oil Pressure Switch Removal/Installation >> Oil Pressure Switch B

Oil Pressure Switch B

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the front under cover No. 2. (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  3. Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents.
  4. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [GW6A-EL, GW6AX-EL] .)
  5. Remove the oil pan.
    CAUTION:
    • To avoid damaging the control valve body, if there is a large amount of foreign material at the bottom of the oil pan when the oil pan is removed, replace the oil strainer with a new one.
    • If there is not a large amount of foreign material at the bottom of the oil pan, the oil strainer does not have to be replaced.
    NOTE:
    • Always use new oil pan installation bolts when reinstalling the oil pan because the oil pan installation bolts cannot be reused.
  6. Remove the oil strainer. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL] .)
  7. Remove the oil strainer O-ring. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL] .)
  8. Insert a precision flathead screwdriver and move it in the direction of the arrow to disconnect the oil pressure switch B connector as shown in the figure.
    Fig 1: Disconnecting Oil Pressure Switch B Connector Using Precision Flathead Screwdriver
    G10947892Courtesy of MAZDA
    CAUTION:
    • Do not scratch the oil pressure switch B and oil pressure switch connector B with the precision flathead screwdriver.
    • When disconnecting connectors, grasp the connectors, not the wiring harnesses. Otherwise, the wiring harnesses may be pulled out of the connector causing poor contact.
  9. Remove the oil pressure switch B.
    Fig 2: Identifying Oil Pressure Switch B And Bolts
    G10947893Courtesy of MAZDA
  10. Install the oil pressure switch B.
    Fig 3: Identifying Oil Pressure Switch B And Bolts
    G10947894Courtesy of MAZDA

    Tightening torque 

    • 9-10 N.m {92-101 kgf.cm, 80-88 in.lbf}
  11. Connect the oil pressure switch B connector.
    Fig 4: Locating Oil Pressure Switch B Connector
    G10947895Courtesy of MAZDA
  12. Install the oil strainer O-ring. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL] .)
    NOTE:
    • If there is a large amount of foreign material at the bottom of the oil pan, replace the oil strainer with a new one.
  13. Install the oil strainer. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL] .)
  14. Apply a light coat of silicon sealant (TB1217E or equivalent) to the contact surfaces of the oil pan and transaxle case.
    Fig 5: Applying Light Coat Of Silicon Sealant (TB1217E Or Equivalent) To Contact Surfaces Of Oil Pan And Transaxle Case
    G10947896Courtesy of MAZDA
    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.
  15. Install the oil pan with new bolts before the applied sealant starts to harden.
    Fig 6: Identifying Oil Pan Bolt
    G10947897Courtesy of MAZDA

    Tightening torque 

    • 8-10 N.m {82-101 kgf.cm, 71-88 in.lbf}
  16. Install the front under cover No. 2. (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  17. Add the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT [GW6A-EL, GW6AX-EL] .)
  18. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  19. Perform the "Initial Learning" (oil pressure switch B replacement). (See INITIAL LEARNING [GW6A-EL, GW6AX-EL] .)
  20. Perform the "Mechanical System Test". (See MECHANICAL SYSTEM TEST [GW6A-EL, GW6AX-EL] .)
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