Overview - Camshaft Timing Chains: Notes

Fig 1: Exploded View Of Camshaft Timing Chains

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 9 Nm
Chain Tensioner
- Is under tension
- Remove the Locking Pin :T40011 before removing
Timing Chain Tensioning Rail
Guide Pin
- 20 Nm
Bolt
- 9 Nm
Control Valve
- 35 Nm
- Left-hand thread
- Depending on the version, remove with either the Central Valve Assembly Tool :T10352 or Central Valve Assembly Tool :T10352/1A
Bolt
- Tightening Specifications and Sequence. Refer to Figure.
- Always replace after removing
Washer
Bearing Bracket
- Removing and installing. Refer to BEARING BRACKET, REMOVING AND INSTALLING
Camshaft Timing Chain Guide Rail
Camshaft Housing
Camshaft Timing Chain
- Before removing, mark the running direction with paint
- Removing and installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING
Camshaft Timing Chain Guide Rail
Guide Pin
- 20 Nm
Three Stage Chain Sprocket
- Crankshaft
- Installation position. Refer to Figure.