How to Replace an A/C Line or Hose

Below guide will teach you How to Replace an A/C Line or Hose . Please follow the instructions carefully.

Things You’ll Need:

  • A/C Hose
  • O-Ring
  • Combination Wrench Set
  • A/C Machine
  • Socket and Ratchet Set
  • Flare Nut Wrench
  • 3/8 in. Drive Ratchet

Estimated Costs:

  • DIY Costs: Est. $80.11 parts only
  • Shop Costs: Est. $252.63 parts and labor

Image may not be specific to your car


  • Lift the hood and remove the negative battery cable from the terminal with the help of wrench.
  • Find the a/c lines and hoses. Take an a/c recovery machine and evacuate the a/c system.
  • Disconnect the torn or damaged hoses and lines.
  • Take new O-rings, lines and hoses and replace them with the old torn ones.
  • Reattach the negative battery cable to the terminal.
  • Using the a/c recovery machine, pull the vacuum on the system to check any leaks.
  • Take an appropriate refrigerant and recharge you’re a/c system with it. Don’t use any other refrigerant than recommended.
  • Start the engine and turn on a/c. check whether the system is blowing a cold air or not. Cold air means the replaced lines and hoses are working fine.

Further Reading

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