AUDI 2015 A3 Premium, 4D Sedan

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Repair and Diagnosis

Quick Lookups
- Common Specs & Procedures
- DTC Index
- Electrical Component Locations
- Fluids
- Technical Bulletins
- Tire Fitment
- Wiring Diagrams
Accessories & Equipment
- Anti-Theft Systems
- Body Interior
- Collision/Avoidance
- Cruise Control Systems
- Drivers Assistance Systems - ADAS
- Entertainment Systems
- Exterior Lights
- Gauges & Instrument Panels
- Infotainment
- Interior/Exterior Trim
- Interior/Illumination Lights
- Mirrors
- Seats
- Warning Systems
- Window Motors & Regulators
- Wiper/Washer Systems
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
Body & Frame
- Body, Cab Control Systems
- Door Locks
- Exterior Body Panels
- Exterior/Interior Trim
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Windows
Brakes
- Anti-Lock Brakes
- Brakes Control Systems
- Mechanical - Hydraulic
- Parking Brake System
- Traction Control
Drivelines & Axles
- Axle Shafts
- Differentials & Drive Axles
- Driveshaft & Universal Joints
Electrical
- Body Electrical
- Charging Systems
- Component Locations
- Fuses & Circuit Breakers
- Gauges
- Motors, Switches, Relays
- Starter
- Wiring Diagrams
Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Lubrication System
- Mechanical
- Starter
Engine Performance
- Emissions
- Engine Control Systems
- Fuel Delivery
- Ignition System
- Remove, Overhaul & Install
- Specifications
- System
- Testing & Diagnosis
- Tune-Up
General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Identification
- Metric Conversions
- OEM General Information
- Reset Procedures
- Specifications Index
- Steering
- Towing
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- HVAC Control Systems
  - Air Conditioning (Front Heater & A/C Unit)
  - Air Conditioning (Front Heater & A/C Unit) -- (Sedan)
  - Air Conditioning (Overview)
  - Air Conditioning (Overview) -- (Sedan)
  - AIR CONDITIONING R1234yf (A/C SERVICE STATION) -- (SEDAN)
  - AIR CONDITIONING R1234yf (REFRIGERANT CIRCUIT) -- (SEDAN)
    - Air Conditioning
      - Refrigerant Circuit
        System Overview - Refrigerant Circuit
        General Description - Refrigerant Circuit Components
        Refrigerant Circuit Layout And Function
        Mechanically Driven A/C Compressor
        Electrically-Driven A/C Compressor
        Condenser
        Evaporator
        Reservoir
        Heat Pump Operation Heater Core
        Fluid Collector
        RESTRICTOR
        Receiver/Dryer
        Expansion Valve With And Without Shut-Off Valve
        Refrigerant Shut-Off Valves
        Refrigerant Line With Inner Heat EXCHANGER
        Quick-Release Coupling Connections On Refrigerant Lines
        Seals
        Refrigerant Circuit Pipes And Hoses
        Pressure Relief Valve
        Check Valves
        Quick-Release Coupling Connections On Refrigerant Circuit
        Refrigerant Circuit Connections With Valve For Switches
        Pressure Sensor And Switch On Refrigerant Circuit
        A/C Pressure/Temperature Sensor
        A/C Compressor Regulator Valve -N280-
        Refrigerant Temperature Sensor
        Possible Concerns
        Leaks, Finding
        Components, Replacing
        Refrigerant Circuit, Cleaning
      - Tools And Testing Equipment
  - AIR CONDITIONING R1234yf (TOOLS & TESTING EQUIPMENT) -- (SEDAN)
  - AIR CONDITIONING R134a (GENERAL INFORMATION) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CAPACITIES) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CIRCUIT COMPONENTS) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CIRCUIT) -- (SEDAN)
  - AIR CONDITIONING R134a (WARNINGS) -- (SEDAN)
  - Air Conditioning Refrigerant R1234YF Servicing (Refrigerant Circuit)
  - Air Conditioning Refrigerant R1234YF Servicing (Tools & Testing Equipment)
  - Air Conditioning Refrigerant R134A Servicing (General Information)
  - Air Conditioning Refrigerant R134A Servicing (Refrigerant Circuit Components)
  - Air Conditioning Refrigerant R134A Servicing (Refrigerant Circuit)
  - General, Technical Data (HVAC) -- (A3 Sedan)
  - GENERAL, TECHNICAL DATA (R1234yf) -- (A3 SEDAN)
  - General, Technical Data Heating, Ventilation And Air Conditioning
  - General, Technical Data Refrigerant R1234YF Servicing
  - Heating, Ventilation
  - Heating, Ventilation -- (Sedan)
Maintenance
- Procedures
- Schedule
Restraints
- Air Bag, SRS
- Passive Restraints
- Restraints Control Systems
- Seat Belts
Steering
- Manual Steering
- Power Steering
- Steering Column
- Steering Gear
- Steering Linkage
Suspension
- Electronic Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Wheels & Tire System
Transmission
- Automatic Trans
- Clutch
- Manual Trans
- Transmission Control Systems
External Pages

Manual:AUDI A3 Premium, 4D Sedan 2015Page:50207 / 92758

Heat Pump Operation Heater Core — 2015 Audi A3 Premium, 4D Sedan Service Manual

Heat Pump Operation Heater Core

The gaseous or vaporous refrigerant that is compressed by the A/C compressor is liquefied in the A/C compressor -A- and at the same time released heat is transferred to the coolant flowing by. Refer to REFRIGERANT CIRCUIT / REFRIGERANT CIRCUIT (R1234yf) .

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