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In this video I am going to show you how an Automotive AC system works, how you can diagnose issues with it using an AC manifold Gauge Set and how you can repair it.

Here are links to products which were used in this video:

AC Manifold Gauge Set:
Test Light:
Multimeter:
Aligator Wires:

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Disclaimer:
Due to factors beyond the control of Ratchets and Wrenches, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Ratchets and Wrenches assumes no liability for any property or personal damage that may arise from doing a repair on your vehicle after watching any of my repair video’s. Due to factors beyond the control of Ratchets and Wrenches, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Again Any injury, damage or loss that may result from improper use of tools, equipment, or the information contained in this video is the sole responsibility of the user and not Ratchets and Wrenches.

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Leave a Reply

  1. greenrogue07

    Hi, i was wondering if a bad receiver drier could cause a clog in the whole system. I am getting extremely low pressure on the low side port, and ok pressure on the high end. I think i might be on freon as well.

  2. The Outlier

    Thank you for taking the time to make this video and for your detailed explanation of how the system works. I had to open my system for the first time on Tuesday to replace my compressor, orifice and accumulator at which point I discovered that the orifice was installed backwards.

  3. Roddy Riddle

    Thanks! Great video and you sound very knowledgeable about AC auto systems!!

  4. Chuck Collins

    Didn't even make it to the 4 min mark before I was done with the rant. The rest may be worth watching but I will never find out.

  5. Han Skinslo

    Need to do this on my '94 Ranger!

  6. Ricardo Cruz Gonzaga

    Lemonade what????
    Good video thought, tons of good information.

  7. Michael Charbonneau

    The temperature of the discharge from the compressor is room temperature but after the condenser it is cold. I am assuming bad compressor. Correct?

  8. 65sohc

    I just installed a Vintage Air system on my 66 Mustang. Unfortunately once I reinstalled the battery box I realized it was covering the high pressure service port. Is it possible to evacuate the system using the low pressure port only?

  9. Mark Aumend

    Any chance you can do a theory of operation and troubleshooting video on an older expansion valve system using a trinary switch? I'm working on a 1989 Chevy P30 chassis for my Winnebago.

Comments are closed.