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.

1
Open the hood and locate the vehicle's A/C lines or hoses.
6810Photo may not be specific to your vehicle
2
Disconnect the negative battery cable using an open ended wrench.
7030Photo may not be specific to your vehicle
3
Recover any refrigerant (discharge A/C system) with an A/C machine.
4
Remove damaged A/C lines or hoses.
6808Photo may not be specific to your vehicle
5
Install the new o-rings, A/C line, and hose.
6
Reconnect negative battery cable.
7
Evacuate all remaining A/C refrigerant using an A/C machine to pull a vacuum on the system.
8
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.
9
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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