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HOMESERVICE MANUALSACURA2015RDX AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESDIFFERENTIAL - TESTING & TROUBLESHOOTINGAWD SERVICEREAR DIFFERENTIAL FLUID INSPECTION AND REPLACEMENT (AWD) (2013-18)REPLACEMENT
2015 Acura RDX AWD

Rear Differential Fluid Inspection and Replacement (AWD) (2013-18): Replacement

2015 Acura RDX AWDSECTION Replacement
NOTE:

Check that the AWD system indicator does not come on. If it does, check for AWD with intelligent control system DTC's .

  1. Vehicle - Lift
      1. Raise and support the vehicle .
  2. Rear Differential Fluid - Replace
    GHH70265Courtesy of HONDA, U.S.A., INC.
    		 1. Remove the oil filler plug (A) and the sealing washer (B).
    GHH70266Courtesy of HONDA, U.S.A., INC.
    		 2. Remove the drain plug (A) and the sealing washer (B), then drain the rear differential fluid.
    GHH70267Courtesy of HONDA, U.S.A., INC.
    		 3. Remove the metal particles from the magnetic surface of the drain plug (A)

    4. Install the drain plug with a new sealing washer (B)

    5. Refill the rear differential with rear differential fluid to the proper level.

    NOTE: If you disassemble the differential, check the rear differential fluid level again after the AWD with intelligent control system check is finished. Add fluid if necessary.
    Fluid Capacity: 
      1.2 L (1.3 US qt) at fluid change 
      1.5 L (1.6 US qt) at overhaul 
    Recommended fluid: 
      Acura All-Wheel Drive Fluid (DPSF) 
    GHH70268Courtesy of HONDA, U.S.A., INC.
    		 6. Install the oil filler plug (A) with a new sealing washer (B).
  3. Rear Differential Fluid After Replacement - Check
      1. Apply the parking brake, and block all four wheels.
    2. Start the engine, and let it idle more than 6 seconds, then turn the engine off. Repeat this step three more times.
    3. Shift to D while pressing the brake pedal firmly. Press the accelerator pedal for 2 seconds, then let it idle. Repeat this step three more times.
    4. Check that the AWD system indicator does not come on. If it does, check for AWD with intelligent control system DTC's .
  4. HDS - Connect
    GHH70269Courtesy of HONDA, U.S.A., INC.
    		 1. Connect the HDS to the DLC (A) located under the driver's side of the dashboard.
    2. Press the engine start/stop button to select the ON mode.
    3. Make sure the HDS communicates with the vehicle and the AWD control unit. If it does not, go to the symptom troubleshooting for HDS does not communicate with AWD control unit - Refer to: AWD System Symptom Troubleshooting - HDS does not communicate(AWD) (2013-15),  or AWD System Symptom Troubleshooting - HDS does not communicate(AWD) (2016-18), .
  5. Maintenance Minder - Reset
      1. After doing all procedures, select the individual maintenance item you wish to reset with the HDS .
RENDER: 1.0x

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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.