A/C not working properly

2012 RAM 1500
94,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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MIKE WILSON6
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  • 2 POSTS
A/C blows cool in cool weather. When the weather outside reaches temperatures in the 80's and above, the A/C blows lukewarm air.
Mar 30, 2021 at 11:17 AM
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KASEKENNY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 18,907 POSTS
More than likely this is low on Freon. We need to check the pressures to be sure. You can rent a set of gauges from a parts store.

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

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

The is probably a leak but you may be able to just fill the system if the leak just started and that will buy you some time. Here is a guide that shows how to do that:

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

However, I would strongly suggest we start with the pressures just to make sure the compressor is not damaged.

Below is a chart of proper pressures based on ambient temp. Let me know if you have questions. Thanks
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Apr 1, 2021 at 10:29 AM
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MIKE WILSON6
  • MEMBER
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Thanks for the information; very helpful.
Apr 1, 2021 at 3:06 PM
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KASEKENNY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 18,907 POSTS
You are welcome. Let us know what happens and we can go from there. Thanks
Apr 2, 2021 at 5:06 PM