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"

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