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Rear Differential Removal/Installation: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Oil and Chemical Type 

Sealant
Type: TB1217C or equivalent
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 PCM 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 PCM. (See COUPLING COMPONENT CALIBRATION DATA WRITING .)
  • Read out the characteristic value of the coupling component from the label or mark shown in the figure.
G16374113Courtesy of MAZDA MOTORS CORP.
  1. Switch the ignition ON (engine off).
  2. Release the electric parking brake.
  3. Switch the ignition off while pressing the electric parking brake switch.
  4. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  5. Drain the rear differential oil into a container. (See DIFFERENTIAL OIL REPLACEMENT .)
  6. Remove the TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION (VIN M) .)

    (See EXHAUST SYSTEM REMOVAL/INSTALLATION (VIN Y) .)

  7. Remove the propeller shaft. (See PROPELLER SHAFT REMOVAL/INSTALLATION .)
  8. Remove the rear drive shaft. (See REAR DRIVE SHAFT REMOVAL/INSTALLATION .)
  9. Disconnect the hose. (See HOSE INSTALLATION NOTE .)
  10. Disconnect the AWD solenoid connector and harness clip.
    G16374114Courtesy of MAZDA MOTORS CORP.
  11. Support the rear differential component using a jack.
    G16374115Courtesy of MAZDA MOTORS CORP.
    WARNING:
    • Always verify that the rear differential component is securely supported by a jack. If the rear differential component falls off, it can cause serious injury or death, and damage to the vehicle.
  12. Remove in the order indicated in the table.
  13. Install in the reverse order of removal.
  14. Add the specified rear differential oil. (See DIFFERENTIAL OIL REPLACEMENT .)
Fig 1: Rear Differential Components Location With Torque Specification (1 Of 2)
G16374116Courtesy of MAZDA MOTORS CORP.
REAR DIFFERENTIAL COMPONENT OPERATION

Component No. Refer to
1 Nut
2 Washer
3 Stud bolt
4 Rear differential component
5 Rear differential member
(See REAR DIFFERENTIAL MEMBER REMOVAL NOTE .)
(See REAR DIFFERENTIAL MEMBER INSTALLATION NOTE .)
Fig 2: Rear Differential Components Location With Torque Specification (2 Of 2)
G16374117Courtesy of MAZDA MOTORS CORP.
REAR DIFFERENTIAL COMPONENT OPERATION

Component No. Refer to
1 Harness clip
2 AWD solenoid connector
3 Differential oil temperature sensor connector
4 Differential oil temperature sensor
5 Coupling component
(See COUPLING COMPONENT REMOVAL NOTE .)
(See COUPLING COMPONENT INSTALLATION NOTE .)
6 Washer
7 Pipe
8 Breather
9 Rear differential
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