Audi A4 Owners & Service Manuals

Audi A4: Cooling System

Audi A4 (B9) 2016-2025 Service Manual / Engine / 4-Cylinder Direct Injection 2.0L 4V TFSI Engine (EA 888 Generation III BZ) / Cooling System

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 Coolant System/Coolant

Connection Diagram - Coolant Hoses Connection Diagram - Coolant Hoses, Versions without Parking Heater   Note Blue = large coolant circuit. Red = small coolant circuit. Brown = heating circu

 Coolant Pump/Coolant Thermostat

Overview - Coolant Pump/Coolant Thermostat 1 - Connection 2 - O-ring Installation instructions. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19;&n

 Electric Coolant Pump, Removing and Installing

Coolant Recirculation Pump -V50-, Removing and Installing Special tools and workshop equipment required Hose Clamps - Up To 25mm -3094- Hose Clip Pliers -VAS6340- Removing - Remove the engine

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 Ribbed Belt Pulley without Freewheel, Removing and Installing

Special tools and workshop equipment required Generator Belt Socket -3310- Inner hex socket 8 mm or TORX T50 Removing - Remove the generator if necessary. Refer to → Electrical Equipment; Rep. Gr.27; Generator; Generator, Removing and Installing. - For some engine ty

 Rear Bumper

Overview - Rear Bumper Cover, Standard Equipment Overview - Bumper Cover 1 -  Bumper Cover Lower Section There are different versions. Refer to the Parts Catalog. Removing and installing. Refer to → Chapter "Bumper Cover Lower Section, Removing and Installing". 2 -  Re

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