Coolant Thermostat Housing With Thermostat

WARNING: This page is about a different variant/trim than selected.

NOTE:

Check the coolant thermostat. Refer to "Function and component selection" in the vehicle diagnosis, testing and information system VAS 5051.

Removing

-- Remove the generator. Refer to Removal and Installation .

-- Remove the coolant pipes. Refer to COOLANT PIPES .

-- Remove the clamp -1- and then remove the coolant hose -2- from the coolant thermostat housing.

Fig 1: Disconnecting Coolant Hose From Coolant Distribution Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the bolts -arrows- and remove the coolant thermostat housing with the thermostat from the engine.

Fig 2: Identifying Coolant Distribution Housing Bolts

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Installing

-- Clean the sealing surface for the O-ring.

-- Replace the O-ring and lubricate it with coolant.

-- Install the coolant thermostat housing to the cylinder block and tighten the bolts evenly to 15 Nm.

-- Further installation is in the reverse order of removal.