Audi A6 Quattro Coolant Temperature Switch (Sensor) Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(246)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(246)

Coolant Temperature Switch (Sensor) Replacement Service

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

On average, the cost for a Audi A6 Quattro Coolant Temperature Switch (Sensor) Replacement is $109 with $14 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2002 Audi A6 QuattroV6-2.7L TurboService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$180.39Shop/Dealer Price$214.24 - $276.42
2010 Audi A6 QuattroV6-3.0L TurboService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$314.83Shop/Dealer Price$376.76 - $456.04
2007 Audi A6 QuattroV8-4.2LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$191.35Shop/Dealer Price$230.48 - $292.66
2002 Audi A6 QuattroV8-4.2LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$160.39Shop/Dealer Price$194.23 - $256.40
2008 Audi A6 QuattroV6-3.2LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$191.35Shop/Dealer Price$230.52 - $292.73
2001 Audi A6 QuattroV6-2.8LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$160.39Shop/Dealer Price$194.27 - $256.47
2000 Audi A6 QuattroV8-4.2LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$165.39Shop/Dealer Price$199.03 - $261.05
2005 Audi A6 QuattroV6-3.2LService typeCoolant Temperature Switch (Sensor) ReplacementEstimate$198.35Shop/Dealer Price$238.06 - $300.67
Show example Audi A6 Quattro 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.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Audi mechanics

Real customer reviews from Audi owners like you.

Excellent Rating

(246)

Rating Summary
224
15
2
1
4
224
15
2
1
4

Caz

13 years of experience
86 reviews
Caz
13 years of experience
A6 Quattro 2011 - Spark Plugs - Atlanta, GA
Very quick and convenient!

Ramiro

0 years of experience
76 reviews
Ramiro
0 years of experience
A6 Quattro 2013 - Oil Change - Sammamish, WA
Ramiro did a great job. He was timely, professional, didn't leave a mess for me to deal with. Highly recommend his services.

Collins

8 years of experience
362 reviews
Collins
8 years of experience
A6 Quattro 2007 - Car will not turn over - Atlanta, GA
Very helpful from start to finish.

Bryant

8 years of experience
568 reviews
Bryant
8 years of experience
A6 Quattro 2016 - AC Compressor - Indianapolis, IN
Professional and excellent mechanic.

Excellent Rating

(246)

Rating Summary
224
15
2
1
4
224
15
2
1
4
Number of Audi A6 Quattro services completed
2706+
services done by our mechanics
TOTAL NUMBER OF EXPERT Audi MECHANICS
700+
experts on our platform

Recent articles & questions

How to Read Tire Size From a Sidewall
You You call around, looking for a price on tires (https://www.goodyear.com/en-US/company/partner/yourmechanic?promoCode=YOURMECHANIC&utm_source=null&utm_medium=referral&partnerId=yourmechanic&partnerName=yourmechanic&retaggingLaunchUrl=%2F%2Fassets.adobedtm.com%2Flaunch-EN786b79de5697438cb1f8839bcd30487c.min.js&floodlightEnabled=true&liveChatEnabled=true&siteName=Goodyear+Tires), or maybe even brakes. The attendant on the phone asks you for your tire size. You have no idea. All you know about your tires is they are black...
How to Apply Rain-X to Your Windshield
Apply Rain-X to your car windshield so you can drive in the rain for better visibility and to drive more safely in the rain.
Symptoms of Bad or Failing Points & Condenser
If your vehicle runs rough, the engine will not fire, or the vehicle will not start at all, the points and condenser system may be failing.

How do I adjust the rearview mirror?

Having a clear, unobstructed view out the back window of your car is vital. You need to see behind you while you’re on the road, when you’re backing out of a parking space and more. Whether you have a manual...

I smell gas in my car! What can that be?

You should have the complete fuel system to include the vapor system checked for any leaks. You may have a leaking seal on top of the fuel tank that is leaking vapor that is getting into the passenger compartment.

Clutch engaged with pedal up or down issue? 2006 Mazda 3

Hi there - there are several possibilities (https://www.yourmechanic.com/services/loud-noises-when-car-is-put-in-gear-inspection) here - none of them pleasant, and all will require removal of the transmission to get to the failed bit. It is possible the pilot bearing has seized up - which would...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (844) 997-3624 · hi@yourmechanic.com