Power take-off drive chain, 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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Securing pin T40071

Removing

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Remove rear sound insulation by loosening fasteners - 1 and 2 -.

NOTE:

Ignore items - 3 and 4 -.

Place old oil collecting and extracting device V.A.G 1782 under engine and drain engine oil.
Remove automatic transmission → 37 - CONTROLS, HOUSING .
Remove drive plate → Drive plate, removing and installing .
Remove left and right timing chain covers → Left and right timing chain covers, removing and installing .

Remove intake manifold → 24 - MULTIPORT FUEL INJECTION (MFI) .
Remove oil filter housing → Oil filter housing, removing and installing .
Remove lower timing chain cover → Timing chain lower cover, removing and installing .

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Identify running direction of power take-off drive chain with paint for reinstallation.
Press tensioning rail in direction of - arrow - and secure chain tensioner with Locking Pin T40071.
Remove bolt - 1 - and remove idler sprocket.

NOTE:

When removing, be careful of spring in drive spur gear shaft.

Remove bolts - 2 to 4 - and remove chain tensioner.
Remove power take-off drive chain.

Installing

Tightening torques → Power take-off drive chain, assembly overview .

Installation is in reverse order of removal, note the following:

NOTE:

Replace the gasket.
Secure all hose connections using hose clamps appropriate for the model type .

Install lower timing chain cover → Timing chain lower cover, removing and installing .
Install crankshaft seal, transmission side → Transmission-side crankshaft sealing ring, replacing .
Install oil filter housing → Oil filter housing, removing and installing .
Install intake manifold → 24 - MULTIPORT FUEL INJECTION (MFI) .

Install left and right timing chain covers → Left and right timing chain covers, removing and installing .
Install drive plate → Drive plate, removing and installing .
Install automatic transmission → 37 - CONTROLS, HOUSING .
Add engine oil and check oil level → Oil level, checking .