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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (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 variant/trim than selected.
  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 to the corresponding fittings on the adapter.
  3. Attach the center hose of a manifold gauge set to a refrigerant container standing in an upright position.
  4. 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.
  5. Using the Refrigerant Leak Detector, check for leaks at the compressor shaft.
  6. If a shaft seal leak is found, install a new compressor shaft seal. If an external leak is found, install a new A/C compressor.
  7. When the leak test is complete, recover the refrigerant from the compressor.
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