How can I charge a car’s AC without a vacuum pump?

I need to charge my car’s AC but I’ve heard that people usually do it with a vacuum pump. I don’t really want to spend the money for it. How can I charge a car AC without a vacuum pump?

Answer
Charging your air conditioner without a pump is possible! Follow these steps to get it done:
  • Relieve the pressure in the air conditioner system’s access valves.
  • Turn the low-pressure side of the air conditioner to 14 psi.
  • Remove the pressure from the higher valve.
  • Continuously adjust the pressure to 14 psi. Then, equalize it on either side for four minutes.
  • Add the suggested amount of refrigerant to your air conditioning system and switch off the compressor.
Your AC should now be recharged!
If these steps are more than what you’re comfortable with, seek the help of a mechanic. While this will cost more money, it will ensure the work is correct and avoid any future damage.
If you’re looking for a way to offset the cost of repairs, consider using the Jerry app! Jerry gathers personalized quotes from top insurance providers, like Allstate and Travelers, to find you the best rates and coverage. The average Jerry user saves an average of $879 a year!
Chloe Jenkins
Answered on Nov 25, 2021
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