Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2019A5 QUATTRO PREMIUM PLUS, 2D CONVERTIBLEREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGAIR CONDITIONING [CONVERTIBLE]
2019 Audi A5 Quattro Premium Plus, 2D Convertible
Air Conditioning [Convertible]
2019 Audi A5 Quattro Premium Plus, 2D ConvertibleSECTION Air Conditioning [Convertible]
- 87 Air Conditioning
- Component Location Overview - A/C System
- Refrigerant Circuit
- System Overview - Refrigerant Circuit
- Overview - Refrigerant Lines
- Overview - Condenser
- High Pressure Sensor -G65-, REMOVING AND INSTALLING
- Refrigerant Lines, Disconnecting And Connecting
- Refrigerant Lines With Inner Heat EXCHANGER, Removing And Installing
- Refrigerant Lines In Plenum Chamber, Removing And Installing
- Expansion Valve, Removing And Installing
- Condenser, Removing And Installing
- Refrigerant Lines, Disconnecting And Connecting At Condenser
- Desiccant Bag/Dryer Cartridge, Removing And Installing
- Evacuating And Charging Valve, Removing And Installing, Low And High Pressure Side
- A/C System, Starting After Charging Refrigerant Circuit
- A/C Compressor
- Overview - A/C Compressor Power Unit
- Overview - Belt Pulley
- OVERVIEW - A/C COMPRESSOR BELT PULLEY, "Denso" VERSION "1"
- OVERVIEW - A/C COMPRESSOR BELT PULLEY, "Denso" VERSION "2"
- OVERVIEW - A/C COMPRESSOR BELT PULLEY WITH A/C Clutch -N25-, "Denso"
- OVERVIEW - BELT PULLEY, "Sanden" A/C COMPRESSOR
- OVERVIEW - A/C COMPRESSOR BELT PULLEY WITH A/C Clutch -N25-, "Sanden"
- A/C Compressor, Removing And Installing From Bracket
- Refrigerant Lines, Removing And Installing At A/C Compressor
- A/C Compressor, Removing And Installing
- Information On The Mechanically Driven A/C Compressor
- A/C Compressor, Removing And Installing, Vehicles With 4-Cylinder Engine
- A/C Compressor, Removing And Installing, Vehicles With 6-Cylinder Engine (Except 6-Cylinder 2.9L TFSI Engine)
- A/C Compressor, Removing And Installing, Vehicles With 6-Cylinder 2.9L TFSI Engine
- Preliminary Work For Replacing Belt Pulley
- Belt Pulley, Removing And Installing
- BELT PULLEY (WITHOUT A/C Clutch -N25-), REMOVING AND INSTALLING, A/C COMPRESSOR "Denso" MANUFACTURER VERSION "1"
- BELT PULLEY (WITHOUT A/C Clutch -N25-), REMOVING AND INSTALLING, A/C COMPRESSOR "Denso" MANUFACTURER VERSION "2"
- BELT PULLEY (WITHOUT A/C Clutch -N25-), REMOVING AND INSTALLING, A/C COMPRESSOR "Sanden" MANUFACTURER
- BELT PULLEY WITH A/C Clutch -N25- INFORMATION
- CLUTCH PLATE, REMOVING AND INSTALLING, A/C COMPRESSOR "Denso" (WITH A/C Clutch -N25-)
- CLUTCH PLATE, REMOVING AND INSTALLING, A/C COMPRESSOR "Sanden" (WITH A/C Clutch -N25-)
- BELT PULLEY, REMOVING, WITH A/C Clutch -N25-
- GAP DIMENSION BETWEEN BELT AND CLUTCH PLATE, CHECKING, "Denso" A/C COMPRESSOR, WITH A/C Clutch -N25-
- GAP DIMENSION BETWEEN BELT AND CLUTCH PLATE, CHECKING, "Sanden" A/C COMPRESSOR (WITH A/C Clutch -N25-)
- Adjustment Motors
- Component Location Overview - Front Adjustment Motors
- Overview - Front Adjustment Motors
- General Information And Procedures - Actuators, Removing And Installing
- Fresh Air Door Motor -V438- FUNCTION, REMOVING AND INSTALLING
- Defroster Door Motor -V107-, REMOVING AND INSTALLING
- Recirculation Door Motor -V113-, REMOVING AND INSTALLING
- Temperature Control Door Motor -V68-, REMOVING AND INSTALLING
- Rear Temperature Control Door Motor -V137-, REMOVING AND INSTALLING
- Left Temperature Control Door Motor -V158-, REMOVING AND INSTALLING
- Right Temperature Control Door Motor -V159-, REMOVING AND INSTALLING
- Rear Air Distribution Door Motor -V427-, REMOVING AND INSTALLING
- Air Distribution Door Motor -V428-, REMOVING AND INSTALLING
- Left Side Vent Motor -V299-, REMOVING AND INSTALLING
- Right Side Vent Motor -V300-, REMOVING AND INSTALLING
- Instrument Panel Vent Motor -V562-, REMOVING AND INSTALLING
- Bracket For Adjustment Motors On Heater And A/C Unit, Removing And Installing
- Rear Temperature Control Door Motor :V137 BRACKET, REMOVING AND INSTALLING
- LEFT ADJUSTMENT MOTOR BRACKET, REMOVING AND INSTALLING, "Low" A/C SYSTEM (OR A HEATHER WITHOUT A/C SYSTEM)
- LEFT ADJUSTMENT MOTOR BRACKET, REMOVING AND INSTALLING, "High" A/C SYSTEM
- RIGHT ACTUATOR BRACKET, REMOVING AND INSTALLING, "Low" A/C SYSTEM (OR A HEATHER WITHOUT A/C SYSTEM)
- RIGHT ADJUSTMENT MOTOR BRACKET, REMOVING AND INSTALLING, "High" A/C SYSTEM
- Rear Air Distribution Door Motor -V427- BRACKET, REMOVING AND INSTALLING
- Front Heater And A/C Unit
- Overview - Heater And A/C Unit
- Overview - Heater And A/C Unit Attachments, Air Distribution Housing, Heat EXCHANGER, Etc.
- Overview - Heater And A/C Unit Air Intake Housing
- Overview - Evaporator Housing
- Evaporator, Removing And Installing
- Evaporator, Cleaning
- Auxiliary Heater Heating Element -Z35-, REMOVING AND INSTALLING
- Heater And A/C Unit, Removing And Installing
- Air Intake Manifold From Heater And A/C Unit, Removing And Installing
- Dust And Pollen Filter, Removing And Installing
- Fresh Air Blower -V2- WITH Fresh Air Blower Control Module -J126-, REMOVING AND INSTALLING
- Heater Core, Removing And Installing
- Condensation Water Drain, Removing And Installing
- Condensation Water Drain, Checking
- Air Routing
- Overview - Air Routing And Air Distribution In Vehicle Interior
- Overview - Air Routing And Air Distribution In Vehicle Interior Front
- AIR DUCTS AND VENTS IN THE REAR VEHICLE INTERIOR, "Low" A/C SYSTEM (WITHOUT A/C SYSTEM)
- AIR DUCTS, TEMPERATURE SENSOR AND VENTS IN THE REAR VEHICLE INTERIOR, "High" A/C SYSTEM, A4 AND A5
- AIR DUCTS, TEMPERATURE SENSOR AND VENTS IN THE REAR VEHICLE INTERIOR, "High" A/C SYSTEM, Q5
- Air Intake And Outlet Openings
- Driver Side FOOTWELL Vent, Removing And Installing
- Front Passenger Side FOOTWELL Vent, Removing And Installing
- Air Duct For Glove Compartment Cooling, Removing And Installing
- Vehicle Interior Forced Air Extraction, Removing And Installing
- Vehicle Interior Forced Air Extraction, Checking
- Fresh Air Intake, Removing And Installing
- Plenum Chamber Water Drain, Checking
- Plenum Chamber Water Drain, Cleaning
- Overview - Air Routing And Air Distribution In Vehicle Interior
- Coolant Circuit
- Display Control Head
- Component Location Overview - Display Control Head
- Display Control Head, Removing And Installing
- Front A/C Display Control Head -E87-, REMOVING AND INSTALLING, A4 AND A5
- Front A/C Display Control Head -E87-, REMOVING AND INSTALLING, Q5
- Rear A/C Display Control Head -E265-, REMOVING AND INSTALLING, "High" A/C SYSTEM, A4 AND A5
- Rear A/C Display Control Head -E265-, REMOVING AND INSTALLING, "High" A/C SYSTEM, Q5
- Additional Components For Control And Regulation
- Rear Upper Body Vent Temperature Sensor -G537-, REMOVING AND INSTALLING
- Left Rear Footwell Vent Temperature Sensor -G637-, REMOVING AND INSTALLING
- Sunlight Photo Sensor -G107-, REMOVING AND INSTALLING
- Humidity Sensor in Fresh Air Intake Duct -G657- /Air Quality Sensor -G238-, REMOVING AND INSTALLING
- Outside Air Temperature Sensor -G17-, REMOVING AND INSTALLING
- Left and Right Front Upper Body Vent Temperature Sensor -G385- / :G386, REMOVING AND INSTALLING
- Left Footwell Vent Temperature Sensor -G261-, REMOVING AND INSTALLING
- Right Footwell Vent Temperature Sensor -G262-, REMOVING AND INSTALLING
- Evaporator Vent Temperature Sensor -G263-, REMOVING AND INSTALLING
- Humidity Sensor -G355-, Rain/Light Recognition Sensor -G397-, AND Sunlight Photo Sensor -G107-, REMOVING AND INSTALLING
- Special Tools
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.