volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications|Page 2048
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Thermostat: Service and Repair

Thermostat, Removing and Installing 

Location

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The thermostat is mounted in the housing and located on the rear of the cylinder head.

Exploded view of a VR6 thermostat housing.

1. Drain the engine coolant into a suitable container.

2. Remove the mounting bolts from the flange.

3. Remove the flange and the thermostat.

To install:

1. Install the thermostat with a lubricated and new O-ring.

2. Install the thermostat housing.

3. Install and tighten the fasteners. Tighten to 8 Nm.

4. Top off cooling system with the recommended fluid and concentration. 

Thermostat Housing, Engine Cooling > < Thermostat, Engine Cooling|Specifications|Page 2048