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.
2021 Audi S6 PrestigeFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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- Quick Lookups
- Accessories & Equipment
- Accessories Control Systems
- Anti-Theft Systems
- Collision/Avoidance
- Communication Devices
- Cruise Control Systems
- Charging System (Battery, Starter, Generator) & Cruise Control (1 Of 3)
- Charging System (Battery, Starter, Generator) & Cruise Control (2 Of 3)
- Charging System (Battery, Starter, Generator) & Cruise Control (3 Of 3)
- Driver Assistance Systems
- Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering) (1 Of 3)
- 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
- Door Locks
- Exterior Body Panels
- Body Front (1 Of 2)
- Body Front (2 Of 2)
- Bumpers (1 Of 2)
- Bumpers (2 Of 2)
- Exterior Equipment (1 Of 2)
- Exterior Equipment (2 Of 2)
- Front Doors, Central Locking System (1 Of 2)
- Front Doors, Central Locking System (2 Of 2)
- General, Technical Data (Body Exterior)
- Hood, Lids (1 Of 2)
- Hood, Lids (2 Of 2)
- Rear Doors (1 Of 2)
- Rear Doors (2 Of 2)
- Exterior/Interior Trim
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Windows
- Brakes
- Anti-Lock Brakes
- Brakes Control Systems
- Mechanical - Hydraulic
- General, Technical Data (Brake System)
- Hydraulic Components (Brake System) (1 Of 3)
- Hydraulic Components (Brake System) (2 Of 3)
- Hydraulic Components (Brake System) (3 Of 3)
- Mechanical Components (Brake System) (1 Of 3)
- Mechanical Components (Brake System) (2 Of 3)
- Mechanical Components (Brake System) (3 Of 3)
- On Board Diagnostic (Suspension, Wheels, Steering) (1 Of 2)
- On Board Diagnostic (Suspension, Wheels, Steering) (2 Of 2)
- Parking Brake System
- Traction Control
- Drivelines & Axles
- Electrical
- Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Lubrication System
- Mechanical
- Crankshaft, Cylinder Block [CWGD,DECA,CZSE,DLZA,DKMB,CZSA,DCBD,DCBE]
- Crankshaft, Cylinder Block [DLZA,DKMB]
- Cylinder Head, VALVETRAIN [CWGD,DECA,CZSE,DLZA,DKMB,CZSA,DCBD,DCBE]
- Cylinder Head, VALVETRAIN [DLZA,DKMB]
- Engine Assembly [DLZA,DKMB]
- General, Technical Data [CWGD,DECA,CZSE,DLZA,DKMB,CZSA,DCBD,DCBE]
- General, Technical Data [DLZA,DKMB]
- Starter
- Engine Performance
- General Information
- Abbreviations
- Accessories & Equipment
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Hoist/Jack
- Identification
- Metric Conversions
- OEM General Information
- Reset Procedures
- Restraints
- Specifications Index
- Steering
- Towing
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- General Servicing
- HVAC Control Systems
- Air Conditioning (1 Of 2)
- Air Conditioning (2 Of 2)
- Air Conditioning (Refrigerant R1234YF Servicing) (1 Of 2)
- Air Conditioning (Refrigerant R1234YF Servicing) (2 Of 2)
- Air Conditioning (Refrigerant R134A Servicing) (1 Of 2)
- Air Conditioning (Refrigerant R134A Servicing) (2 Of 2)
- General, Technical Data (HVAC)
- General, Technical Data (Refrigerant R1234YF Servicing)
- Heating, Ventilation (1 Of 2)
- Heating, Ventilation (2 Of 2)
- On Board Diagnostic (HVAC)
- Maintenance
- Restraints
- Steering
- Suspension
- Electronic Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Wheels & Tire System
- General, Technical Data (Suspension, Wheels, Steering)
- Wheels, Tires And Wheel Alignment (Wheel And Tire Guide General Information)
- Wheels, Tires And Wheel Alignment (Wheel And Tire Guide) (1 Of 2)
- Wheels, Tires And Wheel Alignment (Wheel And Tire Guide) (2 Of 2)
- Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering) (1 Of 3)
- Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering) (2 Of 3)
- Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering) (3 Of 3)
- Transmission
- External Pages
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.