Why does the A/C not blow cold air while the car is idling, either in park or at a stop light?

Asked by Jun 15, 2017 at 09:16 PM about the 2007 Toyota 4Runner V8 4x4 SR5

Question type: Maintenance & Repair

I recently had new freon put in my vehicle for the first time since I bought it
brand new in 2006. My A/C had totally quit cooling at that time. I hadn't used
the A/C for 3-4 months because it was winter & I didn't need it. Always before,
the A/C would quit cooling after sitting for 10 minutes of non driving, just
idling. Now it happens within 1-2 minutes.

2 Answers

875

You may have a slow leak. Many times the compressor O-rings start to fail and slowly leak out freon or the internal read valves wear. If you don't have a/c manifold gauges you might want to get a set and have a look at your pressure readings. Your proper high and low pressures will vary due to ambient temperature. There are charts for this available online.

1 of 1 people found this helpful.

Thank you. I guess I will need to take it in since I have a trip planned in a few weeks.

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