audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coolant Thermostat, Removing, Installing and Checking|Page 4220 > < Coolant Thermostat, Removing, Installing and Checking|Page 4218
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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.

Coolant Thermostat, Removing, Installing and Checking|Page 4220 > < Coolant Thermostat, Removing, Installing and Checking|Page 4218