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A/C blowing warm air?

Tiny
JP15
  • MEMBER
  • 2014 FORD MUSTANG
  • 5.0L
  • V8
  • 2WD
  • MANUAL
  • 120,000 MILES
The air still blows and blows hot air when the dial is switched to it. But it's not cold at all.

I believe the compressor might need to be changed. But this is my first time DYI on HVAC.

The compressor has made some weird squealing noise before while the A/C was turned on. But not anymore.

A local mechanic did connect an A/C kit to it and told me my low pressure was high from my system and said I might have a clog. But I want to make sure myself rather than spending a lot of money when I don't have to.
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Wednesday, April 17th, 2024 AT 5:24 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,665 POSTS
Yep, good call. The first thing we need to do is see if the compressor clicks on when the A/C system is activated. If so then we need to get a set of pressure gauges hooked up to read the pressures. I can help you fix the problem but please go over these guides first:

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

and

https://www.2carpros.com/articles/how-a-car-air-conditioner-works

If you turn the system on and feel the outlet tube from the firewall to the compressor it should be cold. Please go over these guides and get back to us.
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Wednesday, April 17th, 2024 AT 10:46 AM

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