S4 Quattro Cabriolet V8-4.2L (BHF) (2008)
Thermostat: Service and Repair
Coolant Thermostat
Coolant Thermostat
Special tools, testers and auxiliary items required
‹› Fitting sleeve (3265)
Removing
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Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] See: Service and Repair/Procedures.
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Disconnect coolant hoses at coolant regulator housing.
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Remove bolts - arrows -.
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Remove coolant regulator housing.
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Press down retaining bracket using seal installer (3265) and rotate approximately 180° (one half rotation) - arrow -.
Installing
Installation is in reverse order of removal, note the following:
‹› Replace seals.
‹› Secure all hose connections using hose clamps appropriate for the model type.