Audi A4 Owners & Service Manuals

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-.

A19-12332

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-.

A19-12331

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:

     Vision

    Adjusting exterior mirrors Fig. 48 Driver's door: knob for the exterior mirrors Turn the knob in the driver's door to the desired position: 0 - Deactivates all adjustment functions. - Selects the left or right exterior mirror. To adjust the mirror glass in a mirror, press the knob in the desired

     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 circuit. Green = coolant circuit for the transmission. The arrows show the coolant flow direction. 1&

    © 2019-2025 Copyright www.audia4b9.com