Coolant Thermostat

Special tools and workshop equipment required 

• Refractometer T10007
• Drip Tray V.A.G 1306 or Drip Tray for VAS 6100 VAS 6208
• Torque Wrench (5-50 Nm) V.A.G 1331
• Spring Type Clip Pliers VAS 5024 A

Removing 

-- Drain the coolant. Refer to DRAINING AND FILLING .

-- Remove the engine cover with air filter. Refer to ENGINE COVER WITH AIR FILTER .

-- Remove the intake manifold. Refer to INTAKE MANIFOLD .

-- Insert the guide tube for oil dipstick into the cylinder block again and secure it tightly so that no leaking coolant can run into the engine.

-- Place a suitable container under the coolant thermostat housing to catch any coolant leaking out.

-- Remove the bolts -arrows-, remove the cover -A- and remove the thermostat.

Fig 1: Identifying Bolts And Connection

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing 

Installation is performed in the reverse order of removal. When doing this note the following:

• Replace the seal and O-ring, refer to "Seal" in item:  18 and "O-ring" in item: 16.
• Note the installed position of the thermostat -1-, the valve -2- must point upward.
  Fig 2: Identifying Installation Position Of Coolant Regulator

  Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
• Fill the coolant. Refer to DRAINING AND FILLING .

Tightening Specifications