Audi A4 Owners & Service Manuals

Audi A4: Coolant Pump/Coolant Thermostat

Audi A4 (B9) 2016-2026 Service Manual / Engine / 4-Cylinder Direct Injection 2.0L 4V TFSI Engine (EA 888 Generation III BZ) / Cooling System / Coolant Pump/Coolant Thermostat

Overview - 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

Overview - Electric Coolant Pump

1 - Bolt

  • 9 Nm

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

  • 9 Nm

5 - Rubber Grommet

6 - Bolt

  • 2.7 Nm

7 - Rubber Grommet

8 - Bolt

  • 2.7 Nm

9 - Bracket

  • For the electric coolant pump

Overview - Engine Coolant Temperature Sensor

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:

     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

     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

    SEE MORE:

     Engine oil

    If the engine oil level too low If you need to add engine oil, use an oil that is listed on the sticker. The sticker is located at the front of the engine compartment fig. 158. When using the engine oil listed on the sticker, you can adjust the oil level as often as needed. If engine oil that mee

     Raising the vehicle

    Applies to: vehicles with vehicle jack Fig. 174 Sill panels: markings Fig. 175 Sill: positioning the vehicle jack Place the vehicle jack from the vehicle tool kit on a firm surface. Use a flat, stable support if necessary. On a slippery surface such as tile, you should use a non-slip pad such

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