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Q: a/c issues on 1999 Ford F-250

Doesn't blow cold. Had system checked...'appears to not have leak'by draw down test. system charged(33oz added, compressor kicks on and off at 3-5 second intervals. still no cold air.....We (shop, not dealer, and I)can't find low end to hook up for pressure check. Where should I start and once fixed, will it actually blow COLD air? Hearing horror stories.
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3-5 seconds is too fast of a cycling time. the compressor is not even working long enough to get any air cold ( as you know ) check all the pressure shut off switches.
did you completely evacuate the system for at least 1/2 hour before filling it? Good Luck!

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