4/2 Way Valve with Thermostat

4/2 Way Valve with Thermostat

Special tools, testers and auxiliary items required

• Refractometer (T10007)

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Hose Clamp Pliers (VAS 6340)

Removing

• The thermostat is inside the 4/2 way valve and cannot be replaced separately.

- Drain the coolant. Refer to => [ Draining and Filling ] Draining and Filling.

- Remove the generator.

- Remove the throttle valve control module. Refer to => [ Intake Manifold and Attachments Overview ] Intake Manifold and Attachments Overview.

- Remove the coolant hoses from the 4/2 way valve with thermostat connections - A, B and D -.

- Remove the coolant pipe from the connection - C -.






- Remove the bolts - 3 - from the 4/2 way valve - 2 -.

- Pull the valve out of the cylinder block and then to the left in order to remove the connection - C - from the coolant pipe.

Installing

• Always replace gaskets and seals.

- First attach the 4/2 way valve and the connection - C - to the coolant pipe and then install them in the cylinder block.

- Install the bolts - 3 - and tighten them to 15 Nm.






- Connect the coolant hoses as follows:

• - A -: bypass line to the cylinder head

• - B -: expansion tank

• - D -: radiator return line

- Fill the cooling system. Refer to => [ Draining and Filling ] Draining and Filling.

- Install throttle valve control module. Refer to=> [ Intake Manifold and Attachments Overview ] Intake Manifold and Attachments Overview.

- Install the generator.