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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 >> High Pressure Relief Valves (HPRV)

High Pressure Relief Valves (HPRV)

Condition Code Procedure
Inoperative A Require repair or replacement
NOTE: Inoperative includes intermittent operation.
Leaking A Require repair or replacement
Missing C Require replacement
Threads damaged A Require repair or replacement
Threads stripped (threads missing) A Require replacement
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