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 MANUALSAUDI2005A6 3.2 TREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING, VENTILATION & AIR CONDITIONING
2005 Audi A6 3.2 T
Heating, Ventilation & Air Conditioning
2005 Audi A6 3.2 TSECTION Heating, Ventilation & Air Conditioning
- 87 Air Conditioning
- General Information
- A/C And Refrigerant Safety Precautions
- A/C System Repair Information
- A/C Control And Regulation Components Outside Passenger Compartment
- A/C System Control And Regulation Components Inside Passenger Compartment
- A/C Unit Electrical Components
- CLIMATRONIC Control Module A/C Control Head
- CLIMATRONIC Control Module A/C Control Head Comfort Version
- CLIMATRONIC Control Module A/C Control Head Basic Version
- Description And Operation
- Refrigerant Circuit Component Overview
- A/C Compressor Regulator Valve, Checking Activation Signal
- Air Intake Components, Allocating
- Air Quality Sensor Function
- Air Quality Sensor, Checking
- Vent Frame, Checking
- Preparing Adapter Cables For Control Motor Actuation
- Solar Sunroof Function
- Components Outside Passenger Compartment
- Air Intake Unit Components
- Left Side A/C System Control And Regulation Components
- Right Side A/C System Control And Regulation Components
- A/C Components
- Dust And Pollen Filter With Activated Charcoal Filter Unit
- A/C System Evaporator, Cleaning With Vas 6189
- Characteristics Of Air Intake Unit Versions 1 And 2
- A/C Unit, Integration In Engine Coolant Circuit
- Heated Windshield
- Air Distribution In A/C And Air Intake Units, Block Diagram
- Heated Seats, Checking
- Heated Windshield, Checking Activation
- Solar Sunroof Operation, Checking
- A/C Unit, Checking Cooling Output
- Ventilation System Heat Output And Pump Valve Unit Function, Checking
- Refrigerant Lines, Disconnecting And Connecting At Compressor
- Compressor Drive Shaft, Loosening And Tightening
- Drive Plate With Overload Protection, Checking Run-Out And Adjusting
- A/C System, Operating After Filling Refrigerant Circuit
- Specifications
- Diagnosis And Testing
- Removal And Installation
- A/C Pressure/Temperature Sensor
- Refrigerant Circuit O-Ring Seals
- Compressor With Pulley, Removing And Installing At Bracket
- Compressor Belt Pulley
- Compressor Belt Pulley, Removing And Installing From Compressor
- Fresh Air Intake Duct Temperature Sensor
- Fresh Air Blower Control Module
- Fresh Air Blower
- RECIRCULATION Door Motor
- Cover With Air Intake Unit Door
- Fresh Air Intake Grille
- Air Intake Unit
- Plenum Chamber Water Drain, Checking, Cleaning
- Air Intake Unit Upper Cover
- Air Flow Door Motor With Back Pressure Door Motor Position Sensor
- Air Quality Sensor
- Air Intake Unit Air Doors
- Pump/Valve Unit
- A/C Unit, Connecting In Coolant Circuit
- Sunlight Photo Sensor
- Interior Temperature Sensor Fan
- CLIMATRONIC Control Module A/C Control Head
- Dust And Pollen Filter
- Condensation Drain Hose
- Center Vent Adjustment Motor
- Defroster Door Motor
- Left FOOTWELL Door Motor
- FOOTWELL Door Motors
- Rear FOOTWELL Vent Motor
- Front Cold Air Door Motor
- Indirect Ventilation Flap Motor
- Left Front Upper Body Outlet Motor, Comfort
- Front Upper Body Outlet Motors
- Left Vent Temperature Sensor
- Right Vent Temperature Sensor
- Center Vent Temperature Sensor
- Evaporator Vent Temperature Sensor
- A/C Unit Heat EXCHANGER
- Refrigerant Lines, Disconnecting From Condenser And Connecting
- Condenser
- RESTRICTOR
- Refrigerant Lines
- Reservoir
- Refrigerant Lines At A/C Unit
- Evaporator
- Drive Plate, From Compressor
- Drive Plate With Roller Bearing
- Compressor Drive Shaft
- Drive Plate With Overload Protection
- Compressor, 6-Cylinder
- Compressor, 8-Cylinder
- Compressor, 10-Cylinder
- Compressor Drive Unit
- Refrigerant Circuit
- A/C Unit
- Air Intake Unit Electrical Components And Connecting Elements
- Connecting Elements To A/C Unit Doors
- Disassembly And Assembly
- General Information
RENDER: 1.0x
NO RELATED
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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.