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.
2018 Audi A4 PrestigeFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2018 Audi A4 Premium), 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 car
- Section 1 (Cooling System [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 2 (Exhaust System, Emission Controls [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 3 (Exhaust System, Emission Controls [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 4 (General, Technical Data [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 5 (Engine Assembly [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 6 (MULTIPORT Fuel Injection [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 7 (Crankshaft, Cylinder Block [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 8 (Engine Assembly [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 9 (Crankshaft, Cylinder Block [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 10 (Cylinder Head, VALVETRAIN [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 11 (Cylinder Head, VALVETRAIN [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 12 (Lubrication [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 13 (Lubrication [CYMC, CYRB, CYRC, CWPB, DAXB, DAXC, CJEB, CJED, CJEE, CNCD, CNCE, CUHA, CUJA, CNCB, CUHB, DAYB, CYGA, CYNB, CYPA, CYPB, CYYA, CVJA, DDWA, DJYA, DKWA, DNTA, DKNA, DLHA, DLHB, DMFA, DKWB, DLGA])
- Section 14 (Turbocharger, Supercharger [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 15 (MULTIPORT Fuel Injection [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 16 (Ignition/Glow Plug System [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
- Section 17 (Ignition/Glow Plug System [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 18 (Turbocharger, Supercharger [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 19 (Cooling System [CYMC,CYRB,CYRC,CWPB,DAXB,DAXC,CJEB,CJED,CJEE,CNCD,CNCE,CUHA,CUJA,CNCB,CUHB,DAYB,CYGA,CYNB,CYPA,CYPB,CYYA,CVJA,DDWA,DJYA,DKWA,DNTA,DKNA,DLHA,DLHB,DMFA,DKWB,DLGA])
- Section 20 (Wheels, Tires And Wheel Alignment (Wheel And Tire Guide General Information))
- Section 21 (General, Technical Data [CYMC,DFVA,CWGD,DBPA,DECA])
- Section 22 (Antilock Brake System (1 Of 2))
- Section 23 (Hydraulic Components (Brake System) (2 Of 2))
- Section 24 (Mechanical Components (Brake System) (2 Of 2))
- Section 25 (Wheels, Tires, Wheel Alignment (Suspension, Wheels, Steering))
- Section 26 (General, Technical Data (Suspension))
- Section 27 (Wheels, Tires And Wheel Alignment (Wheel And Tire Guide General Information))
- Section 28 (Front Suspension)
- Section 29 (Steering)
- Section 30 (Self-Leveling Suspension)
- Section 31 (Rear Suspension)
- Section 32 (Bumpers)
- Section 33 (General, Technical Data [CWGD] (1 Of 2))
- Section 34 (General, Technical Data (HVAC))
- Section 35 (Air Conditioning)
- Section 36 (Air Conditioning (Refrigerant R134A Servicing) (2 Of 2))
- Section 37 (Air Conditioning (Refrigerant R1234YF Servicing) (1 Of 2))
- Section 38 (Air Conditioning (Refrigerant R1234YF Servicing) (2 Of 2))
- Section 39 (General, Technical Data (Refrigerant R1234YF Servicing))
- Section 40 (Air Conditioning (Refrigerant R134A Servicing) (1 Of 2))
- Section 41 (Heating)
- Section 42 (Cooling System (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 43 (Cooling System [CWGD] (1 Of 2))
- Section 44 (Body Front)
- Section 45 (Interior Trim)
- Section 46 (Wiper/Washer Systems)
- Section 47 (General, Technical Data (Communication))
- Section 48 (Wiring)
- Section 49 (Communication (1 Of 2))
- Section 50 (General, Technical Data [Fuel Supply System])
- Section 51 (Fuel Supply)
- Section 52 (Exhaust System, Emission Controls (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 53 (Exhaust System, Emission Controls [CWGD] (1 Of 2))
- Section 54 (Exhaust System, Emission Controls [CWGD] (2 Of 2))
- Section 55 (General, Technical Data (Body Interior))
- Section 56 (Interior Equipment)
- Section 57 (Passenger Protection, Airbags, Seat Belts)
- Section 58 (Seat Frames)
- Section 59 (Seat Upholstery, Covers)
- Section 60 (Charging System (Battery, Starter And Generator) & Cruise Control (1 Of 2))
- Section 61 (Charging System (Battery, Starter And Generator) & Cruise Control (2 Of 2))
- Section 62 (Maintenance, Diagnosis (2021 AUDI Service))
- Section 63 (Maintenance, Diagnosis (2021 Fluid Capacity Tables & Maintenance Intervals))
- Section 64 (Interior Lights, Lamps And Switches)
- Section 65 (Wires)
- Section 66 (General, Technical Data (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 67 (General, Technical Data (Brake System))
- Section 68 (Mechanical Components (Brake System) (1 Of 2))
- Section 69 (Antilock Brake System (2 Of 2))
- Section 70 (Hydraulic Components (Brake System) (1 Of 2))
- Section 71 (General, Technical Data [Body Exterior])
- Section 72 (General, Technical Data [CWGD] (2 Of 2))
- Section 73 (Turbocharger, Supercharger [CWGD])
- Section 74 (Engine Assembly [CWGD] (2 Of 2))
- Section 75 (Engine Assembly [CWGD] (1 Of 2))
- Section 76 (Cylinder Head, VALVETRAIN [CWGD] (1 Of 2])
- Section 77 (Crankshaft, Cylinder Block [CWGD] (1 Of 2))
- Section 78 (Cooling System [CWGD] (2 Of 2))
- Section 79 (Lubrication [CWGD] (1 Of 2))
- Section 80 (MULTIPORT Fuel Injection [CWGD])
- Section 81 (Ignition/Glow Plug System [CWGD] (1 Of 2))
- Section 82 (Lubrication [CWGD] (2 Of 2))
- Section 83 (Turbocharger, Supercharger [CWGD,DECA])
- Section 84 (MULTIPORT Fuel Injection [CWGD])
- Section 85 (Crankshaft, Cylinder Block [CWGD] (2 Of 2))
- Section 86 (Ignition/Glow Plug System [CWGD] (2 Of 2))
- Section 87 (Exterior Lights, Switches)
- Section 88 (Instruments)
- Section 89 (Interior Lights, Switches)
- Section 90 (Hood, Lids)
- Section 91 (Exterior Equipment)
- Section 92 (Front Doors, Central Locking System)
- Section 93 (Convertible Top)
- Section 94 (Rear Doors)
- Section 95 (Glass, Window Regulators)
- Section 96 (Engine Assembly (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 97 (Crankshaft, Cylinder Block (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 98 (MULTIPORT Fuel Injection (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 99 (Lubrication (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 100 (Turbocharger, Supercharger (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 101 (Cylinder Head, VALVETRAIN (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 102 (Ignition/Glow Plug System (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4)))
- Section 103 (General Information)
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.
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