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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> General Information >> Heating, Ventilation & A/C (HVAC) >> Map - Heating, Ventilation, & Air Conditioning >> Heating, Ventilation & Air Conditioning Systems >> Compressors

Heating, Ventilation & Air Conditioning Systems: Compressors

NOTE: When replacing this component it is suggested to install or replace high and low side inline filters to prevent future component damage (see Code 5).
Condition Code Procedure
Attaching hardware broken A Require repair or replacement of hardware
Attaching hardware missing C Require replacement of hardware
Attaching hardware not functioning A Require repair or replacement of hardware
Bracket bent, affecting performance A Require repair or replacement
Bracket bent, not affecting performance   No service suggested or required
Bracket broken, affecting performance A Require replacement
Bracket broken, not affecting performance   No service suggested or required
Bracket corroded, affecting performance A Require repair or replacement
Bracket corroded, not affecting performance 2 Suggest repair or replacement
Bracket cracked, affecting performance A Require repair or replacement
Bracket cracked, not affecting performance 1 Suggest repair or replacement
Bracket holes elongated, affecting performance A Require repair or replacement
Bracket holes elongated, not affecting performance   No service suggested or required
Bracket loose, affecting performance A Require repair or replacement
Bracket loose, not affecting performance 1 Suggest repair or replacement
Bracket missing C Require replacement
Connector (Weatherpack type) leaking A Require repair or replacement
Connector broken A Require repair or replacement
Connector melted, affecting performance A Require repair or replacement
NOTE: Determine cause and correct prior to repair or replacement of part.
Connector melted, not affecting performance 2 Suggest repair or replacement
NOTE: Determine cause and correct prior to repair or replacement of part.
Connector missing C Require replacement
Housing broken, affecting performance A Require repair or replacement
Housing broken, not affecting performance   No service suggested or required
Housing cracked, affecting performance A Require repair or replacement
Housing cracked, not affecting performance 1 Suggest repair or replacement
Inoperative A Require repair or replacement
NOTE: Inoperative includes intermittent operation.
Leaking B Require repair or replacement
Missing C Require replacement
Noisy 2 Suggest repair or replacement
NOTE: Compressor noise can also be caused by low oil level, state of charge, air contamination, or type of refrigerant.
Terminal broken A Require repair or replacement
Terminal burned, affecting performance A Require repair or replacement
NOTE: Determine cause and correct prior to repair or replacement of part.
Terminal burned, not affecting performance 2 Suggest repair or replacement
Terminal corroded, affecting performance A Require repair or replacement
Terminal corroded, not affecting performance 2 Suggest repair or replacement
Terminal loose, affecting performance B Require repair or replacement
Terminal loose, not affecting performance 1 Suggest repair or replacement
Threads damaged A Require repair or replacement
Threads stripped (threads missing) A Require replacement
Tubing connection leaking A Require repair or replacement
Vibration 1 Suggest replacement
Wire lead conductors exposed B Require repair or replacement
Wire lead corroded A Require repair or replacement
Wire lead open A Require repair or replacement
Wire lead shorted A Require repair or replacement