Coolant pump, removing and installing

WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, and 2007 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

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Hose clamp pliers V.A.G 1921

Removing

Remove front coolant pipe → Front coolant line, removing and installing .

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Separate electrical connection - 2 - at Map Controlled Engine Cooling Thermostat F265.

NOTE:

Ignore - 1 -.

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Remove coolant hoses - 1 and 2 - from Map Controlled Engine Cooling Thermostat F265.

NOTE:

Ignore - arrows -.

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Loosen hose clip - 1 - at coolant hose.
Remove bolts - arrows -.
Remove coolant pump housing toward front, while doing this, pay attention to drive shaft for coolant pump.

NOTE:

Coolant hose can only be removed with coolant pump removed.

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Remove bolts - arrows - and remove coolant pump - 2 - from housing - 1 -.

Installing

Tightening torques → Coolant pump and coolant thermostat, assembly overview .

NOTE:

Replace seals and O-rings.
Secure all hose connections using hose clamps appropriate for the model type .

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Insert new O-rings - 1 and 3 -.
Insert coolant pump input shaft - 2 - in oil pump mount as far as stop.
Slide coolant pump into mounts in upper part of oil pan.

NOTE:

To connect drive flange onto hex head of drive shaft, reach with the finger into the lower pipe connection of coolant pump and twist at impeller until coolant pump can be inserted completely.

The rest of installation is in reverse order of removal, note the following:

Install front coolant pipe → Front coolant line, removing and installing .
Fill with coolant → Filling .