Drive chain for timing mechanism, removing and installing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Remove camshaft timing chains → Camshaft timing chain, removing and installing .
Remove chain for power take-off → Chain for power take-off, removing and installing .

Fig 1: Removing Glide Track At Left Cylinder Head & Chain Tensioner

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove glide track - 1 - at left cylinder head.
Remove chain tensioner - 2 -.

Fig 2: Removing Glide Track At Right Cylinder Head

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove glide track - 1 - at right cylinder head.
Remove chain tensioner - 2 -.

Fig 3: Pushing Glide Track Of Chain Tensioner For Chain Drive And Pull

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Push glide track of chain tensioner for chain drive in direction of - arrow - and pull off chain tensioner using a drill bit - 4 - 3.3 mm dia.
Mark running direction of timing chain with paint.
Remove bolts - 2 - and - 3 - and remove chain sprockets with drive chain and glide track - 1 -.

Installing

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

NOTE:

Replace bolts which have been tightened to torque.

Install chain for power take-off → Chain for power take-off, removing and installing .
Install camshaft timing chains Installing .

Torque specifications

Component	Nm
Left drive sprocket to mounting bracket	5 plus an additional 90 ° * See note
Right drive sprocket to cylinder block	42
Chain tensioner for left camshaft timing chain to cylinder head	5 plus an additional 90 ° * See note
Chain tensioner for right camshaft timing chain to cylinder head	5 plus an additional 90 ° * See note

*Replace bolts.

* 90 ° corresponds to one quarter turn.