Jetta Sedan V6-2.8L (BDF) (2003)
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.