Air conditioning intermittently not working?

83,000 MILES
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TRACEY BRADLEY
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  • 1 POST
My car has coolant in it, the car runs fine, sometimes the air conditioner works and sometimes it doesn’t. I’m thinking it’s my blower resistor, but I’m not sure.
Apr 20, 2023 at 8:04 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,456 POSTS
If the air stops blowing from inside the car out through the vents, then it is a blower motor going out. But to be sure we can use this guide and I have included the blower motor location and how to change it out in the images below:

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

This guide will show you how to check the power and ground of the blower motor to help confirm the failure. The blower motor is under the right side of the dash.

This guide may help as well:

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.


Apr 21, 2023 at 6:02 AM
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