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- - Ac not blowing cold (https://www.dieseltruckresource.com/forums/3rd-gen-engine-drivetrain-2003-2007-102/ac-not-blowing-cold-330294/)

03 5.9

05-15-2018 04:52 PM

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 I’m thinking it the office tube but not sure needed help

67HotRod

05-16-2018 08:12 PM

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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