S4 V8-4.2L (BHF) (2004)
Thermostat: Service and Repair
Thermostat, Removing and Installing
Thermostat, removing and installing
Special tools, testers and auxiliary items required
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Seal installer 3265
Removing
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Drain engine coolant
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Disconnect coolant hoses at coolant thermostat housing.
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Remove bolts - arrows -.
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Remove coolant thermostat housing.
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Press down retaining bracket using seal installer 3265 and rotate approximately 180° (one half rotation) - arrow -.
Installing
Installation is performed in reverse order of removal. Note the following:
Note:
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Always replace seals.
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Secure all hose connections using hose clamps appropriate for the model type
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Clean and smooth sealing surface.
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Install coolant thermostat.