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:
Vehicles with Coil Springs
Shock absorbers are frequently rejected and replaced because
of leaks. Examinations on the test stand and on the vehicle have
shown that the replacement of a large number of rejected shock
absorbers was not justified.
Slight leaking of oil ("sweating") at piston rod sea
Luggage Compartment Side Trim Panel, Removing and Installing, Sedan
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Pliers -T40172C-
Omega Clip Tool -T40280-
Removing
- Remove the side cushion. Refer to
→ Chapter "Side Cushion, Removing and Installing".
-&nb