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 TT Quattro Base, 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2021 Audi TT Quattro Base, 2D Convertible), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different variant/trim
- Section 1 (General, Technical Data (Communication) [Coupe])
- Section 2 (Wiring [Coupe])
- Section 3 (Wires [Coupe])
- Section 4 (Communication (1 Of 2) [Coupe])
- Section 5 (Instruments [Coupe])
- Section 6 (Interior Trim [Coupe])
- Section 7 (Technical Data (Oil Gauge Tester T40178 Service Values) [Coupe])
- Section 8 (General, Technical Data (HVAC) [Coupe])
- Section 9 (General, Technical Data (Refrigerant R1234YF Servicing) [Coupe])
- Section 10 (Air Conditioning (2 Of 2) [Coupe])
- Section 11 (Air Conditioning (1 Of 2) [Coupe])
- Section 12 (Seat Upholstery, Covers [Coupe])
- Section 13 (Seat Frames [Coupe])
- Section 14 (Air Conditioning (Refrigerant R134A Servicing) (1 Of 2) [Coupe])
- Section 15 (Air Conditioning (Refrigerant R1234YF Servicing) (2 Of 2) [Coupe])
- Section 16 (Air Conditioning (Refrigerant R1234YF Servicing) (1 Of 2) [Coupe])
- Section 17 (Cooling System (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 18 (Body Front [Coupe])
- Section 19 (Maintenance, Diagnosis (Specialty Engine Oils) [Coupe])
- Section 20 (Maintenance, Diagnosis (2021 AUDI Service) (2 Of 2) [Coupe])
- Section 21 (Air Conditioning (Refrigerant R134A Servicing) (2 Of 2) [Coupe])
- Section 22 (Heating, Ventilation [Coupe])
- Section 23 (Exterior Equipment [Coupe])
- Section 24 (Bumpers [Coupe])
- Section 25 (Turbocharger, Supercharger (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 26 (Exterior Lights, Switches [Coupe])
- Section 27 (Passenger Protection, Airbags, Seat Belts [Coupe])
- Section 28 (MULTIPORT Fuel Injection (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 29 (General, Technical Data (Fuel Supply - Gasoline Engines) [Coupe])
- Section 30 (Fuel Supply [Coupe])
- Section 31 (General, Technical Data (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 32 (General, Technical Data (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 33 (Engine Assembly (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 34 (Exhaust System, Emission Controls (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 35 (Engine Assembly (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 36 (Crankshaft, Cylinder Block (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 37 (Crankshaft, Cylinder Block (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 38 (Cylinder Head, VALVETRAIN (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO) [Coupe])
- Section 39 (Lubrication (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 40 (Lubrication (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 41 (Turbocharger, Supercharger (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 42 (MULTIPORT Fuel Injection (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 43 (Ignition/Glow Plug System (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 44 (Charging System (Battery, Starter, Generator) & Cruise Control (1 Of 2) [Coupe])
- Section 45 (Charging System (Battery, Starter, Generator) & Cruise Control (2 Of 2) [Coupe])
- Section 46 (Wheels, Tires And Wheel Alignment (Wheel And Tire Guide) [Coupe])
- Section 47 (General, Technical Data (Electrical Equipment) [Coupe])
- Section 48 (Interior Lights, Switches [Coupe])
- Section 49 (Wiper/Washer Systems [Coupe])
- Section 50 (Self-Leveling Suspension [Coupe])
- Section 51 (General, Technical Data (Brake System) [Coupe])
- Section 52 (Antilock Brake System [Coupe])
- Section 53 (Hydraulic Components (Brake System) [Coupe])
- Section 54 (Mechanical Components (Brake System) [Coupe])
- Section 55 (Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering) [Coupe])
- Section 56 (General, Technical Data (Body Interior) [Coupe])
- Section 57 (Interior Equipment [Coupe])
- Section 58 (Exhaust System, Emission Controls (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 59 (Cooling System (Servicing - 5-Cylinder 2.5L TFSI Engine (Ea 855 EVO)) [Coupe])
- Section 60 (General, Technical Data (7-Speed Dual Clutch Transmission 0GC) [Coupe])
- Section 61 (Controls, Housing (7-Speed Dual Clutch Transmission 0GC) [Coupe])
- Section 62 (Final Drive, Differential (7-Speed Dual Clutch Transmission 0GC) [Coupe])
- Section 63 (General, Technical Data (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 64 (Engine Assembly (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 65 (Cylinder Head, VALVETRAIN (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 66 (Crankshaft, Cylinder Block (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 67 (Lubrication (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 68 (Cooling System (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 69 (Ignition/Glow Plug System (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 70 (MULTIPORT Fuel Injection (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 71 (Turbocharger, Supercharger (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 72 (Exhaust System, Emission Controls (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe])
- Section 73 (Generic Scan Tool [DHHA] [Coupe])
- Section 74 (Generic Scan Tool [DHHA] [Coupe] [Engine DTC Tables])
- Section 75 (General, Technical Data (Suspension, Wheels, Steering) [Coupe])
- Section 76 (Generic Scan Tool [DAZA] (General Information) [Coupe])
- Section 77 (Generic Scan Tool [DAZA] (Engine DTC Tables 2019 - 2022) [Coupe])
- Section 78 (GENERIC SCAN TOOL [DAZA] (Transmission DTC Tables & Diagnostic Procedures) [COUPE])
- Section 79 (Generic Scan Tool [DAZA] (Engine DTC Tables 2018-2021) [Coupe])
- Section 80 (Hood, Lids [Coupe])
- Section 81 (Front Doors, Central Locking System [Coupe])
- Section 82 (Glass, Window Regulators [Coupe])
- Section 83 (Wheels, Tires And Wheel Alignment (Wheel And Tire Guide General Information) [Coupe])
- Section 84 (Front Suspension [Coupe])
- Section 85 (Steering [Coupe])
- Section 86 (Rear Suspension [Coupe])
- Section 87 (General Information [Coupe])
- Different car
- Section 1 (Maintenance, Diagnosis (2019 Fluid Capacity Tables) [Coupe])
- Section 2 (Maintenance, Diagnosis (2020 AUDI Service) (1 Of 2) [Coupe])
- Section 3 (Maintenance, Diagnosis (2020 AUDI Service) (2 Of 2) [Coupe])
- Section 4 (Maintenance, Diagnosis (2020 Fluid Capacity Tables) [Coupe])
- Section 5 (Maintenance, Diagnosis (2019 AUDI Maintenance Schedule) [Coupe])
- Section 6 (Maintenance, Diagnosis (2019 Fluid Capacity Tables) [Roadster])
- Section 7 (Maintenance, Diagnosis (2020 AUDI Service) (1 Of 2) [Roadster])
- Section 8 (Maintenance, Diagnosis (2020 AUDI Service) (2 Of 2) [Roadster])
- Section 9 (Maintenance, Diagnosis (2020 AUDI Maintenance Schedule) [Roadster])
- Section 10 (Maintenance, Diagnosis (2020 Fluid Capacity Tables) [Roadster])
- Section 11 (Maintenance, Diagnosis (2019 AUDI Maintenance Schedule) [Roadster])
- Section 12 (Generic Scan Tool [DHHA] (2019) (General Information) [Roadster])
- Section 13 (Generic Scan Tool [DHHA] (2019) [Roadster] [Engine DTC Tables])
- Section 14 (Generic Scan Tool [DHHA] (2020) [Roadster])
- Section 15 (Generic Scan Tool [DHHA] (2020) [Engine & Transmission DTC Tables] (Roadster))
- Section 16 (Generic Scan Tool [DHHA] (2019) [Roadster] [Transmission DTC Tables & Diagnostic Procedures])
Factory Service Tools
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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.