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3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Ac not blowing cold

Old 05-15-2018, 05:52 PM
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Ac not blowing cold

03 5.9 cummins a/c is blowing hot hooked gauges up and got 40 on low side and 150 on high start the truck turn a/c on clutch engages low side draws down to 0 and high side goes to 300 quick Iím thinking it the office tube but not sure needed help
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Old 05-16-2018, 09:12 PM
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Truck on startup without the fan fulling enough air your going to get higher temps on the high side till air cools the condenser. Did you do a compressor replacement, just add 134?
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