How To Vacuum Car Ac System Without Pump

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How to empty a car ac system without a pump. You can also empty a car ac system without a vacuum pump. The steps to do so include: Depress the system’s access valves;

It will be necessary to install access valves on both the high and low sides of the compressor to allow proper operation. The next task is to. First, pull the system down into a vacuum, shut off the valves on the gauges and shut the vacuum pump off. Check to see if you have less than 1″ of vacuum in 10 minutes. Fill the pump with vacuum oil. Before you use your vacuum pump, make sure it is full of clean vacuum pump oil. Unscrew the oil fill cap, typically located on the top of the pump,. Vacuuming your car’s ac system can be a daunting task, but with the help of a vacuum pump, it can be done quickly and easily. Here is a guide on how to vacuum your car’s.