Oil 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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Old oil collecting and extracting device V.A.G 1782

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Long-nose gripping pliers VAS 6226

Removing

Drain coolant → Cooling system, draining and filling .
Remove front coolant pipe → Front coolant line, removing and installing .
Remove coolant pump → Coolant pump, removing and installing .
Remove lower section of oil pan → Lower part of oil pan, removing and installing .

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Remove drive shaft - arrow - for coolant pump from oil pump.

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Place old oil collecting and extracting device V.A.G 1782 under engine.
Remove bolts - arrows - and remove oil pipe.

NOTE:

Oil escapes when removing oil pipes.

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Remove bolts - arrows - and remove intake tube.

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Remove oil pipe together with oil check valve housing.

NOTE:

Oil escapes when removing oil pipes.

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Press back drive shaft - 1 - for oil pump against spring force and clamp tightly using Long-nose gripping pliers VAS 6226.

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Remove bolts - arrows - and remove oil pump.

Installing

Tightening torques → Oil pump and lower part of oil pan, assembly overview .

NOTE:

Replace sealing rings and O-rings.

Check whether 2 alignment bushings are present in cylinder block, install if necessary.
Tighten oil pump - arrows -.

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Unlock Long-nose gripping pliers VAS 6226 and let drive shaft - 1 - glide into oil pump.

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Check whether drive shaft is friction locked to oil pump. To do so, reach into intake opening - arrow - of oil pump and try to rotate oil pump gears.

Toothed gears must not be able to be rotated.

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

Install coolant pump → Coolant pump, removing and installing .
Install lower section of oil pan → Installing .
Install front coolant pipe → Front coolant line, removing and installing .
Add engine oil and check oil level → Oil level, checking .

Fill with coolant → Filling .