audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coolant Pump and Coolant Thermostat, Servicing|Page 6921 > < Coolant Pump and Coolant Thermostat, Servicing|Page 6919
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Unbolt impeller housing -1- from pump housing -4-.

Installing 
Installation is the reverse of removal, noting the following:
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Clean sealing surfaces of both housings.

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Replace gasket and O-ring.

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Insert T-head bolt into coolant pump bore.

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Mount bracket for generator, power steering pump and viscous fan with coolant pump on cylinder block and tighten bolts in numerical sequence.
1 - M8 x 70 bolt
2 - M8 x 110 bolt
3 - M8 x 50 bolt
4 - M8 x 90 bolt
5-  M8 x 70 bolt
6 - M8 x 100 bolt

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Install viscous fan  See: Engine/Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/V-Belt and Ribbed Belt, Routing
Overview

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Install ribbed belt  See: Engine/Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Ribbed Belt, Removing and
Installing

Note:  When installing ribbed belt, check for correct seating on belt pulley.

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Install V-belt  See: Engine/Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/V belt, Removing and Installing

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Fill up with coolant  See: Service and Repair

WARNING!  The cooling system is pressurized when the engine is warm. When opening the expansion tank, wear gloves and other

Coolant Pump and Coolant Thermostat, Servicing|Page 6921 > < Coolant Pump and Coolant Thermostat, Servicing|Page 6919