Wednesday, 15 April 2015

How to Replace an A/C Line or Hose

A/C Line or Hose Replacement

This guide requires the following supplies:
  • Refrigerant oil

Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.

Open the hood and locate the vehicle's A/C lines or hoses.
6810Photo may not be specific to your vehicle
Disconnect the negative battery cable using an open ended wrench.
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Recover any refrigerant (discharge A/C system) with an A/C machine.
Remove damaged A/C lines or hoses.
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Install the new o-rings, A/C line, and hose.
Reconnect negative battery cable.
Evacuate all remaining A/C refrigerant using an A/C machine to pull a vacuum on the system.
Recharge the A/C system with the A/C refrigerant and have the A/C system leak tested. Each vehicle takes a different amount of A/C refrigerant which is measured in pounds.
Turn on the A/C system with the engine running and check to see if cold air is now coming out of the air duct.

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