audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coolant Pump and Thermostat, Overview|Page 4454 > < Coolant Pump and Thermostat, Overview|Page 4452
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Thermostat: Service and Repair
Thermostat, Removing and Installing

Thermostat, removing and installing

Special tools and equipment

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Fitting sleeve 3265

Removing

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Drain off coolant. 

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Detach coolant hoses at thermostat housing.

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Remove bolts (arrows). 

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Remove thermostat housing.

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Press down retainer with fitting sleeve 3265 and turn retainer clockwise.

Installing

Install in reverse order, paying attention to the following:

Note:  
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Replace sealing rings. 

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Secure aft hose connections with standard hose clamps; Refer to Part Supplier 

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Clean/smooth sealing surface. 

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Pay attention to installation position of thermostat.

Coolant Pump and Thermostat, Overview|Page 4454 > < Coolant Pump and Thermostat, Overview|Page 4452