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1999 F150 A/C Blowing Warm Air..just stopped working

y2k600f4 on Sat July 25, 2009 4:03 PM User is offline

Year: 1999
Make: Ford
Model: F150
Refrigerant Type: R134A
Ambient Temp: 90
Pressure Low: 15,45
Pressure High: 100,50
Country of Origin: United States

My F150 just started to blow cold air. I have just started to troubleshoot what is going on and was hoping for an expert opinion.

At idle and ambient ~90F the compressor cycles on and off from 15 on the low side and 100 on high side to 45 on low and 100 on the high side. Does this sound like a leak in the system ? If so I would like to temporarily recharge before I get a chance to chase down the leak. Any suggestions on what pressures to charge at ? The system is listed as 33oz of R134a and 9 oz of oil. Thanks.

Chick on Sat July 25, 2009 6:42 PM User is offlineView users profile

Best way to do it is evacuate add some UV dye and recharge into a deep vacuum the system amount.. Hope this helps.

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Chick
Email: Chick

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