Rear Differential Fluid Inspection and Replacement: Replacement

2008 Acura RDXSECTION Replacement
  1. Park the vehicle on level ground, and turn the ignition switch to LOCK (0).
  2. Remove the filler plug (A) and the sealing washer (B).

    Fluid Capacity: 

    2.53 L (2.67 US qt, 2.23 lmp qt) at fluid change 

    2.77 L (2.93 US qt, 2.44 lmp qt) at overhaul 

    Recommended fluid: Honda ATF-Z1 

    Fig 1: Filler Plug And Sealing Washer With Torque Specifications
    G05447147Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the drain plug (C) and the sealing washer (D), and drain the fluid.
  4. Reinstall the drain plug with a new sealing washer.
  5. Add fluid until it reaches the bottom of the filler plug hole.
  6. Reinstall the filler plug with a new sealing washer.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.