Passat Wagon L4-2.0L Turbo (BPY) (2008)
Thermostat Housing: Service and Repair
Coolant Thermostat Housing with Thermostat
‹› Check the coolant thermostat, refer to "Function and component selection" in the vehicle diagnostic tester.
Removing
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Remove the generator.
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Disconnect the coolant pipes. Refer to => [ Coolant Pipes ] See: Coolant Line/Hose/Service and Repair.
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Remove the clamp - 1 - and then remove the coolant hose - 2 - from the coolant thermostat housing.
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Remove the bolts - arrows - and remove the coolant thermostat housing from the engine.
Installing
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Clean the sealing surface for the O-ring.
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Replace the O-ring and lubricate it with coolant.
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Attach the coolant thermostat housing to the cylinder block and tighten the bolts evenly to 15 Nm.
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The rest of the installation is basically a reverse of the removal sequence.