Audi A4: Cooling System
- Coolant System/Coolant
- Coolant Pump/Coolant Thermostat
- Electric Coolant Pump, Removing and Installing
- Coolant Pump, Removing and Installing
- Radiator/Radiator Fan
- Radiator, Removing and Installing
- Fan Shroud, Removing and Installing
READ NEXT:
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
SEE MORE:
A/C System, Operating after Charging
Note
If the mechanically driven Air Conditioning (A/C) compressor
was removed, rotate it approximately 10 times by hand before
using it for the first time (during or after installing, for
example before installing the belt) to prevent damage caused by
liquid impact when first switched
Battery
Battery General Information
To guarantee a long service life, the Battery -A- must be
checked, serviced and maintained as described in this manual.
The Battery -A- supplies the power to start the engine. The
Battery -A- also acts as a power reserve for the entire vehicle
electrical system.
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