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:
Vehicles with Restrictor, Receiver/Dryer and A/C Compressor Regulator Valve
-N280-, Checking Pressures, Externally Regulated Compressor
General Information
Note
Connect the Air Conditioning (A/C) service station. Refer to
→ Chapter "A/C Service Station, Connecting".
Observe the test requirements. Refer to
→ Chapter "Pressures, Checking".
If a malfunction occurs at only one evaporator in vehicles
with two
Additional Safety Precautions for Airbag Control Module
WARNING
After every removal and installation of the Airbag
Control Module -J234-, the "inertial sensor basic
setting" must be performed.
If the Airbag Control Module -J234- is replaced with a
new part, the basic setting is performed when
implementing the "15 - Replace airbag control
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