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Power Strokes
7.3 Tech
A/C issues
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[QUOTE="Lethalthreat7.3, post: 726247, member: 10651"] Measure your drop across the evaporator coil. Measure the temperature rise from the inlet to the a-coil and the return from it. Supply to is at the accumulator. Return from is the line returning to the compressor(cold one). Measure right at the firewall. This is the heat the refrigerant absorbs from the cab and can determine wether you have a charge condition issue or airflow. Spate123 is absolutely correct in making sure you have the proper airflow. Restricted airflow is one of the top three issues beside leaks/charge level and orifice restrictions. Electrical and compressor issues do arise but are more rare. [/QUOTE]
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