2012 Acura MDXFACTORY OEM SERVICE PROCEDURE

Transfer Assembly Fluid Replacement

  1. Warm up the engine to normal operating temperature (the radiator fan comes on).
  2. Park the vehicle on level ground, and turn the engine off.
  3. Raise the vehicle on a lift, and make sure it is supported securely.
  4. Remove the front undercover.
    Fig 1: Locating Front Undercover And Bolts With Torque Specifications
    G08057767Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the drain plug (A), and drain the transfer fluid (hypoid gear oil).
    Fig 2: Locating Drain Plug And Sealing Washer With Torque Specifications
    G08057768Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Reinstall the drain plug with a new sealing washer (B).
  7. Remove the filler plug (A) and the sealing washer (B).
    Fig 3: Locating Filler Plug And Sealing Washer With Torque Specifications
    G08057769Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Refill the transfer assembly with the recommended fluid (hypoid gear oil) through the filler hole (C) until the fluid flows out. Use an SAE 90 viscosity hypoid gear oil, API classified GL4 or GL5 only.

    Viscosity: 

    SAE 90: Above 0°F (-18°C) 

    Transfer Fluid (Hypoid Gear Oil) Capacity: 

    0.43 L (0.45 US qt) at fluid change 

    0.45 L (0.48 US qt) at overhaul 

  9. Install the filler plug with a new sealing washer.
  10. Install the front undercover.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.