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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1308 (HVAC - Climate Control System - General Information And Diagnostics - (Except Hybrid)) >> Diagnosis And Testing >> Climate Control System >> Component Tests >> A/C Compressor - External Leak Test

A/C Compressor - External Leak Test

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the appropriate adapter from the A/C Flush Adapter Kit on the port of the A/C compressor, using the existing manifold retaining bolt.
  2. Connect the high and low pressure lines of a manifold gauge set or a refrigerant recovery/recycling station such as the R-134a A/C service center to the corresponding fittings on the A/C Pressure Test Adapter.
  3. Attach the center hose of a manifold gauge set to a refrigerant container standing in an upright position.
  4. Hand-rotate the compressor shaft 10 complete revolutions to distribute the oil inside the A/C compressor.
  5. Open the low pressure gauge valve, the high pressure gauge valve and the valve on the refrigerant container to allow the refrigerant vapor to flow into the A/C compressor.
  6. Using the Refrigerant Leak Detector, check for leaks at the compressor shaft.
  7. If a shaft seal or external leak is found, install a new A/C compressor. Refer to CLIMATE CONTROL .
  8. When the leak test is complete, recover the refrigerant from the compressor.
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