Acura MDX Coolant Temperature Switch (Sensor) Replacement at your home or office.

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Coolant Temperature Switch (Sensor) Replacement Service

How much does a Coolant Temperature Switch (Sensor) Replacement cost?

On average, the cost for a Acura MDX Coolant Temperature Switch (Sensor) Replacement is $124 with $29 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2012 Acura MDXV6-3.7LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$332.44Shop/Dealer Price$397.56 - $529.91
2002 Acura MDXV6-3.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$214.27Shop/Dealer Price$261.62 - $364.23
2001 Acura MDXV6-3.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$214.27Shop/Dealer Price$261.62 - $364.23
2004 Acura MDXV6-3.5LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$196.95Shop/Dealer Price$239.93 - $329.52
2009 Acura MDXV6-3.7LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$264.14Shop/Dealer Price$320.28 - $425.47
2008 Acura MDXV6-3.7LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$264.14Shop/Dealer Price$320.23 - $425.39
2018 Acura MDXV6-3.0L HybridService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$168.47Shop/Dealer Price$193.96 - $245.97
2011 Acura MDXV6-3.7LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$308.44Shop/Dealer Price$374.27 - $507.15
Show example Acura MDX Coolant Temperature Switch (Sensor) Replacement prices

What is the Coolant Temperature Switch (Sensor) all about?

The coolant temperature switch, also called the coolant temperature sensor, is a switch that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other functions of engine operation such as the air-fuel ratio.

It is also called a switch because on some cars, it is used to turn on the engine cooling fan at a specific temperature. This aids in the engine warm-up process as well as keeping the engine at a safe operating temperature.

Keep in mind:

  • The coolant temperature switch is a crucial part of the cooling system. If faulty, it can cause severe internal engine damage due to overheating, incorrect air-fuel ratio, or incorrect ignition timing. It can also cause shorter life to the cooling fan motor or other electrical components of the cooling system.
  • Some vehicles are equipped with a separate sensor to display the engine temperature to the driver via the temperature gauge.

How it's done:

  • The Coolant Temperature Switch is verified that it needs to be replaced. The coolant is drained until the switch is exposed.

  • The defective Coolant Temperature Switch is removed by disconnecting the connector and removing it from the manifold.

  • The new Coolant Temperature Switch is installed into the mounting hole in the manifold and the electrical connector is reconnected. The coolant is then refilled.

  • The Coolant Temperature Switch is tested for operation, codes cleared, and retested to ensure all codes have been resolved.

  • The vehicle is road tested to ensure proper operation of the Cooling System.

Our recommendation:

If you suspect that your coolant temperature switch has failed, have one of our licensed mechanics come out immediately to diagnose the problem.

What common symptoms indicate you may need to replace the Coolant Temperature Switch (Sensor)?

  • Check Engine light on
  • Engine overheating
  • Cooling fan runs intermittently
  • Engine misfires, stalls, or idles roughly
  • Erratic coolant temperature

How important is this service?

This part, when faulty, could cause the fan to run intermittently or not at all, which in turns causes overheating or overuse of the cooling fan motor. Whenever overheating occurs, severe engine damage is a possibility.

The engine air-fuel ratio is what keeps it running smoothly. If the ratio gets skewed, the engine will have poor fuel economy and run poorly or not at all. The coolant temperature switch is important because it gives the ECM the information it needs to make this calculation and run the engine optimally. YourMechanic will be able to tell you if this part is performing correctly.

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Meet some of our expert Acura mechanics

Real customer reviews from Acura owners like you.

Excellent Rating

(828)

Rating Summary
779
22
3
9
15
779
22
3
9
15

Walter

46 years of experience
341 reviews
Walter
46 years of experience
Acura MDX V6-3.7L - Coolant Temperature Switch (Sensor) - Tulsa, Oklahoma
Very thorough. Diagnosed problem just by,listening to what I said. Very friendly. Knows his stuff.

Clarissa

27 years of experience
234 reviews
Clarissa
27 years of experience
Acura MDX V6-3.5L - Strut Assembly Replacement (Front) - Huntingdon Valley, Pennsylvania
Awesome service and replacement of shocks and control arms.

Tung

16 years of experience
310 reviews
Tung
16 years of experience
Acura MDX V6-3.5L - Water Pump - Clarkston, Georgia
Awesome did not take long at all! He even reccommended things I should do to my car. He was awesome overall. I even recommended him to my family.

Milenko

17 years of experience
87 reviews
Milenko
17 years of experience
Acura MDX V6-3.7L - Transmission Fluid Service - Indianapolis, Indiana
Very friendly & professional. He explained what he performed on vehicle, showed me the parts he told out. He was very concerned about my brake pads being worn out and suggested getting that done soon.

Excellent Rating

(828)

Rating Summary
779
22
3
9
15
779
22
3
9
15
Number of Acura MDX services completed
9108+
services done by our mechanics
TOTAL NUMBER OF EXPERT Acura MECHANICS
900+
experts on our platform

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