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Rear Differential Removal/Installation: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Performing the following procedures could cause an open circuit in the rear ABS wheel - speed sensor wiring harness if it is pulled by mistake. Before servicing, disconnect the rear ABS wheel - speed sensor and set it aside so that the wiring harness will not be pulled by mistake.
  • If the characteristic value of a new coupling component is not input to the AWD control module or the characteristic value is input incorrectly after replacing the coupling component, it could result in the following conditions:
    • The system does not operate normally.
    • A problem with durability of the coupling component occurs.
  • After replacing the coupling component, read out the characteristic value of a new coupling component and write it to the AWD control module. (See COUPLING COMPONENT CALIBRATION DATA WRITING .)
  • Read out the characteristic value of the coupling component from the label or mark shown in the figure.
Fig 1: Label Or Mark On Coupling Component
G09075120Courtesy of MAZDA MOTORS CORP.
NOTE:
  • The AWD control module stores the characteristic value of the coupling component before replacement.
  • If the characteristic value of a new coupling component is not written, the AWD control module does not store the value.
  1. Switch the ignition ON (engine off).
  2. Release the electric parking brake.
  3. Switch the ignition off.
  4. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  5. Remove the wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
  6. Drain the rear differential oil into a container. (See DIFFERENTIAL OIL REPLACEMENT .)
  7. Remove the following parts:
    1. Floor under cover No. 2 (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    2. Floor under cover No. 1 (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    3. Brace bar
      Fig 2: Tunnel Member, Brace Bar, Strut Bar And Bolts With Torque Specification
      G11435791Courtesy of MAZDA MOTORS CORP.
    4. Tunnel member
    5. Strut bar
    6. HO2S harness bracket
    Fig 3: HO2S Harness Bracket And Nut With Torque Specification
    G11435792Courtesy of MAZDA MOTORS CORP.
  8. Remove the TWC from the mount rubber.
    Fig 4: TWC And Mount Rubber
    G11435793Courtesy of MAZDA MOTORS CORP.
  9. Disconnect the TWC from the main silencer. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
  10. Suspend the TWC using a cable as shown in the figure.
    Fig 5: Suspending TWC Using Cable
    G11435794Courtesy of MAZDA MOTORS CORP.
  11. Remove the propeller shaft. (See PROPELLER SHAFT REMOVAL/INSTALLATION .)
  12. Disconnect the rear auto leveling sensor link.
    Fig 6: Rear Auto Leveling Sensor Link Bolt With Torque Specification
    G11435795Courtesy of MAZDA MOTORS CORP.
  13. Disconnect the rear ABS wheel-speed sensor wiring harness and the electric parking brake motor gear unit connector and set it aside so that it does not interfere with the servicing.
    Fig 7: Rear ABS Wheel-Speed Sensor, Electric Parking Brake Motor Gear Unit Connector And Bolts With Torque Specification
    G11435796Courtesy of MAZDA MOTORS CORP.
  14. Remove the wheel hub component. (See WHEEL HUB COMPONENT REMOVAL/INSTALLATION [AWD] .)
  15. Remove the dust cover. (See WHEEL HUB COMPONENT REMOVAL/INSTALLATION [AWD] .)
  16. Disconnect the rear stabilizer control link from the rear lower arm.
    Fig 8: Rear Stabilizer Control Link Nut With Torque Specification
    G11435797Courtesy of MAZDA MOTORS CORP.
  17. Disconnect the rear trailing link from the hub support. (See REAR TRAILING LINK REMOVAL/INSTALLATION .)
  18. Remove the rear coil spring. (See REAR COIL SPRING REMOVAL/INSTALLATION .)
  19. Disconnect the rear shock absorber from the hub support. (See REAR SHOCK ABSORBER REMOVAL/INSTALLATION .)
  20. Disconnect the rear lateral link from the hub support. (See REAR LATERAL LINK REMOVAL/INSTALLATION .)
  21. Disconnect the rear upper arm from the hub support. (See REAR UPPER ARM REMOVAL/INSTALLATION [AWD] .)
  22. Remove the hub support. (See WHEEL HUB COMPONENT REMOVAL/INSTALLATION [AWD] .)
  23. Remove the rear drive shaft. (See REAR DRIVE SHAFT REMOVAL/INSTALLATION .)
  24. Remove in the order indicated in the table.
  25. Install in the reverse order of removal. (See SUSPENSION LINKS INSTALLATION NOTE .)
  26. Add the specified rear differential oil. (See DIFFERENTIAL OIL REPLACEMENT .)
  27. Perform the headlight auto leveling system initial setting. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION .)
Fig 9: Rear Differential Related Components With Torque Specification
G11435798Courtesy of MAZDA MOTORS CORP.
COMPONENT DESCRIPTION

1 Hose
2 Connector (AWD solenoid)
3 Connector (differential oil temperature sensor)
4 Rear differential component
(See Rear Differential Component Removal Note .)
5 Coupling component
6 Washer
7 Rear differential mounting bracket
(See Rear Differential Mounting Bracket Installation Note .)
8 Breather
9 Rear differential
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