TT Coupe L4-1.8L Turbo (AWP) (2005)
Thermostat: Service and Repair
Coolant thermostat, checking, removing and installing
Note:
Always replace seals and gaskets.
Removing
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Drain cooling system.
Vehicles with air conditioning
CAUTION
The air conditioning refrigerant circuit must not be opened.
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Unbolt front engine cover support from intake manifold.
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Remove retainers for refrigerant hoses.
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Unbolt A/C compressor, lift clear together with refrigerant hoses (do not disconnect) and tie in place on hood lock.
All vehicles
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Disconnect coolant hose from connection -3-.
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Remove bolts -4- and remove connection, O-ring -2- and coolant thermostat -1-.
Installing
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Clean and smooth down sealing surface for O-ring as required.
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Insert coolant thermostat.
Installation position: bowed metal strip on thermostat must be vertical.
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Moisten new O-ring with coolant G 012 A8 D.
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Tighten bolts.
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Fill with coolant.
Tightening torque