Audi A4: 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 cover. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine Cover; Engine Cover, Removing and Installing.
- Disconnect the connector -1-.
Note
Place a cloth underneath to catch any escaping coolant.
- Loosen the hose clamps -2- to clamp off the coolant hoses with the -3094- and remove them.
- Remove the bolts -arrows- and the Coolant Recirculation Pump -V50-.
Installing
Install in reverse order of removal and note the following:
Note
- Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Catalog.
- Used coolant cannot be used again.
- Fill with coolant. Refer to → Chapter "Coolant, Draining and Filling".
- Install the engine cover. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine Cover; Engine Cover, Removing and Installing.
Tightening Specifications
- Refer to → Chapter "Overview - Electric Coolant Pump"
After-Run Coolant Pump -V51-, Removing and Installing
Special tools and workshop equipment required
- Hose Clamps - Up To 25mm -3094-
- Hose Clip Pliers -VAS6340-
Removing
- Remove the engine cover. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine Cover; Engine Cover, Removing and Installing.
- Disconnect the connector -1-.
Note
Place a cloth underneath to catch any escaping coolant.
- Loosen the hose clamps -2- to clamp off the coolant hoses with the -3094- and remove them.
- Remove the bolts -arrows- and the After-Run Coolant Pump -V51-.
Installing
Install in reverse order of removal and note the following:
Note
- Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Catalog.
- Used coolant cannot be used again.
- Fill with coolant. Refer to → Chapter "Coolant, Draining and Filling".
- Install the engine cover. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine Cover; Engine Cover, Removing and Installing.
Tightening Specifications
- Refer to → Chapter "Overview - Electric Coolant Pump"
READ NEXT:
Coolant Pump, Removing and Installing
Removing
- Remove the engine cover. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.10; Engine
Cover; Engine Cover, Removing and Installing.
- Drain the coo
Radiator/Radiator Fan
Overview - Radiator/Radiator Fan
1 - Radiator
Removing and installing. Refer to
→ Chapter "Radiator, Removing and Installing".
After replacing, replace entire amount of coolant
Radiator, Removing and Installing
Special tools and workshop equipment required
Coolant Collection System -VAS5014- or Shop Crane - Drip
Tray -VAS6208-
Elbow Assembly Tool -T10118-
Caution
This procedure contains mandato
SEE MORE:
Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve
-N280- (Externally Regulated A/C Compressor), Checking Pressures
Specified Values for the Refrigerant
Circuit Pressures
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".
- With the ignition switched
A/C Refrigerant High Pressure Switch -F23-
Note
Switch pressures, removing and installing switches as well
as switch arrangement and version. Refer to vehicle specific
refrigerant circuit
→ Heating, Ventilation and Air Conditioning; Rep. Gr.87; System
Overview - Refrigerant Circuit (vehicle-specific
repair manua
