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Home >> Acura >> 2013 >> TL Base >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Differential >> Center Case Replacement

Center Case Replacement

  1. Remove the rear differential (see REAR DIFFERENTIAL REMOVAL  ).
  2. Remove the rear differential front mounting brackets (A) from the rear differential (B).
    Fig 1: Identifying Rear Differential Front Mounting Brackets And Rear Differential
    G08067395Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Disconnect the rear differential fluid temperature sensor 2P connector (A), then remove the rear differential fluid temperature sensor cover (B), the rear differential fluid temperature sensor (C), and the O-ring (D).
    Fig 2: Identifying Rear Differential Fluid Temperature Sensor, 2P Connector, Cover And O-Ring
    G08067396Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the left and right solenoid 4P connectors (A).
    Fig 3: Identifying Solenoid 4P Connectors, Rear Differential Harness Bracket, Subharness And Ground Cable Bolt
    G08067397Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the ground cable bolt (B) and rear differential harness bracket D, then remove the rear differential subharness (C).
  6. Remove the rear differential left side case (A), the rear differential right side case (B), and the 10 x 12 mm dowel pins (C) from the rear differential center case (D).
    Fig 4: Identifying Dowel Pins, Rear Differential Center, Left And Right Side Case
    G08067398Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Replace the rear differential center case.
  8. Remove the dirt and oil from the sealing surfaces. Apply liquid gasket (P/N 08717-0004, 08718-0001, 08718-0003, 08718-0004 or 08718-0009) to the sealing surface. Make sure you seal up to the inside edge of the bolt holes to prevent oil leakage.
    NOTE:
    • You must assemble the housings within 5 minutes after applying the liquid gasket. If you applied liquid gasket P/N 08718-0012, the component must be installed within 4 minutes. If not, the sealing surface must be cleaned, and the liquid gasket reapplied.
    • Allow the liquid gasket to cure at least 30 minutes after assembly before filling the differential with fluid.

    Left side case/Right side case 

    Fig 5: Identifying Sealing Surface
    G08067399Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the 10x12 mm dowel pins (A), the rear differential right side case (B), the rear differential left side case (C), and the mounting bolts (D) onto the rear differential center case (E).
    Fig 6: Dowel Pins, Mounting Bolts, Rear Differential Center, Left And Right Side Case With Torque Specifications
    G08067400Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Tighten the mounting bolts in a crisscross pattern in several steps, then tighten the bolts to the specified torque.
  11. Install the rear differential subharness (A) and rear differential harness bracket D, and install the ground cable (B).
    Fig 7: Solenoid 4P Connectors, Rear Differential Harness Bracket, Subharness And Ground Cable With Torque Specifications
    G08067401Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Connect the left and right solenoid 4P connectors (C).
  13. Install the rear differential fluid temperature sensor (A) with a new O-ring (B), and install the rear differential fluid temperature sensor cover (C).
    Fig 8: Rear Differential Fluid Temperature Sensor, Sensor Cover, 2P Connector And O-Ring With Torque Specifications
    G08067402Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Connect the rear differential fluid temperature sensor 2P connector (D).
  15. Install the rear differential front mounting brackets (A) with new bolts (B) on the rear differential (C).
    Fig 9: Rear Differential, Front Mounting Brackets And Bolts With Torque Specifications
    G08067403Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. Install the rear differential (see REAR DIFFERENTIAL INSTALLATION  ).
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