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Ac working intermittently

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Old Jul 17, 2018 | 04:53 PM
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Bangbang1978's Avatar
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Ac working intermittently

I have a 2007 F350 Diesel Superduty Lariat 4x4. AC works, but once in awhile it starts blowing like luke warm air. Almost like it's just blowing air from the outside. If I press down the accelerator a little, the air goes back cold again. At first, it only did this as I was sitting at a traffic light or a stop sign, but its started doing it now traveling down the road. Thanks in advance for anyone who can help me diagnose this problem.
 
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Old Jul 17, 2018 | 05:58 PM
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Check 1) compressor clutch gap and 2) temperature blend door if the gap is in tolerance.
 
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Old Jul 17, 2018 | 06:18 PM
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Compressor clutch.
 
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