RS 6 V8-4.2L Turbo (BCY) (2003)
Thermostat: Service and Repair
Coolant thermostat, removing, installing, and checking
Removing
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Drain cooling system.
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Remove lock carrier.
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Remove toothed bel.
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Remove top idler wheel for ribbed belt (arrows).
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Remove retainer for front air pipe (arrows.
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Disconnect coolant hose (arrow) from thermostat housing.
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Remove bolts -1- and -2- and take off thermostat housing.
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Remove O-ring and thermostat.
Installing
Note: Replace gaskets and O-rings.
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Clean and smooth down sealing surface for O-ring as required.
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Install thermostat.