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.
2003 Acura MDX BaseFACTORY OEM SERVICE PROCEDURE
ATF Temperature Sensor Replacement
- Remove the splash shield.
- Disconnect the ATF temperature sensor connector (A), then remove the connector from the connector bracket (B).
- Remove the harness clamp (C) from its bracket (D).
- Remove the ATF temperature sensor, and replace with new one.
- Install the new ATF temperature sensor (E) and a new O-ring (F).
- Install the ATF temperature sensor connector to the connector bracket, then connect the connector.
- Install the harness clamp on its bracket.
- Install the splash shield.
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.