A/C not working!! - Ford Powerstroke Diesel Forum
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Old 05-14-2013, 01:56 PM
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A/C not working!!

My A/C is not working... went out the other day. It still blows air but just not any cold air. Could it be freon? If so where is that located on these trucks?
Any ideas of what it could be?
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Old 05-14-2013, 06:04 PM
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Did you check to see that the clutch on the compressor is engaging? If so, you can check the pressures on both the high and low side of the system. The high pressure port is the larger of the 2 and its located on the passenger side of the truck up front. The low pressure port is a PITA to get to, it is located behind the air cleaner towards the the firewall. Easiest way to access it is to remove the air filter and top half so you can fully get the gauge on to the port. Depending on temperature where you are at, the pressures will change.
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