Repairing A Contaminated A/C System

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Once the contaminated refrigerant is removed from the system it will be necessary to repair the system. Ford recommends that you do the following to be sure a quality repair is made:

1. Determine the cause of the failure.

2. Determine which parts will need to be replaced.

3. Flush the heat exchangers to remove any oil that may be degraded due to the contaminated refrigerant.

4. Install a new suction/accumulator.

5. Properly oil match the system to verify that the correct amount of clean refrigerant oil is present in the system.

6. Evacuate the system for 45 minutes.

7. Recharge the system, verify proper operation, and leak test.