Overview - Camshaft Timing Chains

Fig 1: Camshaft Timing Chain Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- Tightening specification: 9 Nm
Chain Tensioner
- Is under tension
- Remove the Locking Pin T40011 before removing
Timing Chain Tensioning Rail
Guide Pin
- Tightening specification: 20 Nm
Bolt
- Tightening specification: 9 Nm
Control Valve
- Tightening specification: 35 Nm
- Left thread
- Remove using Central Valve Assembly Tool T10352
Bolt
- Tightening specification: 20 Nm + 90° turn
- Replacing
Washer
Bearing Bracket
Camshaft Timing Chain Glide Rail
Camshaft Housing
Camshaft Timing Chain
- Before removing, mark the direction of rotation with paint
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Camshaft Timing Chain Glide Rail
Guide Pin
- Tightening specification: 20 Nm
Three Stage Chain Sprocket
- Crankshaft
- Installed position, refer to Fig 2

Fig 2: Chain Sprocket Crankshaft, Installation Position

Courtesy of AUDI OF AMERICA, LLC