Audi A4: 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; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
3 - Centering Pin
4 - Bolt
- Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
5 - Seal
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
6 - Coolant Pump
- Removing and installing. Refer to
→ Chapter "Coolant Pump, Removing and Installing".
7 - Bolt
- Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
8 - Toothed Belt
- For the coolant pump
- Removing and installing. Refer to
→ Chapter "Coolant Pump Toothed Belt, Removing and Installing".
9 - Bolt
- Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
10 - Toothed Belt Guard
11 - Bolt
- Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
12 - Toothed Belt Sprocket
13 - Seal
- Replacing. Refer to
→ Chapter "Balance Shaft Gasket, Replacing, Intake Side".
14 - Balance Shaft
15 - Seal
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Coolant Pump/Coolant Regulation.
16 - Engine Temperature Control Actuator -N493-
- Removing and installing. Refer to
→ Chapter "Engine Temperature Control Actuator -N493-, Removing and
Installing".
Overview - Electric Coolant Pump

1 - Bolt
2 - Coolant Recirculation Pump -V50-
- Removing and installing. Refer to
→ Chapter "Coolant Recirculation Pump -V50-, Removing and Installing".
3 - After-Run Coolant Pump -V51-
- Removing and installing. Refer to
→ Chapter "After-Run Coolant Pump -V51-, Removing and Installing".
4 - Bolt
5 - Rubber Grommet
6 - Bolt
7 - Rubber Grommet
8 - Bolt
9 - Bracket
- For the electric coolant pump
Overview - Engine Coolant Temperature Sensor

1 - Clip
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Engine Coolant Temperature Sensor.
2 - O-ring
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Engine Coolant Temperature Sensor.
3 - O-ring
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Engine Coolant Temperature Sensor.
4 - O-ring
- Installation instructions. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Engine Coolant Temperature Sensor.
5 - Engine Coolant Temperature Sensor -G62-
- On transmission side of the cylinder head
- Removing and installing. Refer to
→ Chapter "Engine Coolant Temperature Sensor -G62-, Removing and
Installing".
6 - Bolt
- Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.19; Coolant
Pump/Coolant Regulation; Overview - Engine Coolant Temperature Sensor.
7 - Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Removing and installing. Refer to
→ Chapter "Engine Coolant Temperature Sensor on Radiator Outlet -G83-,
Removing and Installing".
READ NEXT:
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
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
Overview - Radiator/Radiator Fan
1 - Radiator
Removing and installing. Refer to
→ Chapter "Radiator, Removing and Installing".
After replacing, replace entire amount of coolant
SEE MORE:
Calibration Unit -VAS6350A-, Installing and Aligning
After performing repair work on the vehicle, it may be
necessary to re-calibrate the rearview camera system. In detail,
this is the case after:
Rearview Camera -R189- removal and installation
Collision repairs on rear lid
Changes to the axle
WARNING
The seat belt system must be inspected systematically
after every accident. If damage is determined at any
inspection point, the customer must be informed that it
is necessary to replace the seat belt.
Inspection Points
Check the seat belt webbing. Refer to
→ Chapter "S