Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Acura MDXFACTORY OEM SERVICE PROCEDURE
ATF Temperature Sensor Replacement
- Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.
- Remove the front undercover (A) and the splash shield (B).
- Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
- Reinstall the drain plug with a new sealing washer (B).
- Disconnect the ATF temperature sensor connector (A), then remove the ATF temperature sensor (B).
- Apply ATF to a new O-ring (C), and install the O-ring over the ATF temperature sensor. Then install the ATF temperature sensor.
- Check the connector for corrosion, dirt, or oil, and clean or repair if necessary, then connect the ATF temperature sensor connector securely.
- Refill the transmission with ATF (see step Β 8 under ATF ReplacementΒ ).
- Install the splash shield and the front undercover.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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