Q: My car over heats when the a/c is on

asked by on

My car over heats when the a/c is on

Hello, What you are describing sounds like you may have a fan clutch that is not working properly. As you may know, when you turn the A/C on, this causes the engine to work a bit harder due to the added power required to power your A/C system. As this happens, the cooling fans have what is known as a cooling fan clutch, which creates a variable speed for the fans to cool the radiator on an as needed basis. I would suggest having a professional from YourMechanic come to your location to diagnose and inspect your car.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. My car over heats when the a/c is on

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: During spirited driving, power cuts out on hard left turns

Hello. The symptoms you are experiencing can commonly be caused by a weak fuel pump, or a fuel pump strainer. If the fuel pump is the original it may have weakened over time, and has become unable to provide the...

Q: Evaporator Temperature Sensor (Switch)

Hello. It is possible that the problem is with the evaporator temperature sensor. If this fails, it can affect the efficiency of the AC system. Most of the time though, when the compressor continually works on this car it is...

Q: 2000 Xterra

Code P1320 is an ignition fault. Its is likely caused by a failed ignition coil or power transistor. The transistor receives a 12 volt signal when the key is on, then signals the ignition coil to fire each cylinder. If...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...