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To diagnose the AC system on Peterbilt trucks, start by checking the refrigerant levels and inspecting for any visible leaks in the components, such as hoses and connections. Next, test the electrical system, including the compressor clutch, fuses, and relay, ensuring they function properly. Additionally, examine the AC control panel for any faults and use a pressure gauge to measure the high and low-side pressures. Finally, check the cabin air filter to ensure proper airflow and assess the temperature output from the vents.

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3w ago

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Well, it's only Freon if it was manufactured by DuPont and sold under that name - Freon is a trademark of A.I. DuPont Corp. and applied to a line of CFC and HFC refrigerants manufactured by them.But, on to what's important... a 2007 Peterbilt WHAT??? You have to understand that Peterbilt manufactured (and continues to manufacture) trucks from Class 5 to Class 8, and refrigerant capacities will vary between, say, a Peterbilt 330 day cab and a Peterbilt 379 with a sleeper berth and dual AC systems.


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