Overview - Camshaft Timing Chains

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Left Camshaft Timing Chain

Fig 1: Identifying Left Camshaft Timing Chains Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 80 Nm +90°
- Replacing
Bolt
- 80 Nm +90°
- Replacing
Camshaft Adjuster
- For the intake camshaft
- Designation "IN"
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Camshaft Adjuster
- For the exhaust camshaft
- Designation "EX"
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Left Camshaft Timing Chain
- Mark the running direction with paint for reinstallation
- Remove from the camshafts, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Bolt
- 5 Nm +90°
- Replacing
Glide
Chain Tensioner
- For the left camshaft control chain
- Removing and installing, refer to CAMSHAFT TIMING CHAIN TENSIONER, REMOVING AND INSTALLING .
Bearing Plate
- For the drive chain sprocket
Bolt
- 9 Nm
Drive Chain Sprocket
- For the left camshaft control chain
Mounting Pin
- Left camshaft timing chain drive sprocket
Bolts
- 5 Nm +90°
- Replacing

Right Camshaft Timing Chain

Fig 2: Identifying Right Camshaft Timing Chains Overview

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 80 Nm +90°
- Replacing
- With vacuum pump yoke
Camshaft Adjuster
- For the intake camshaft
- Designation "IN"
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Bolt
- 80 Nm +90°
- Replacing
Camshaft Adjuster
- For the exhaust camshaft
- Designation "EX"
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Bolt
- Replacing
- 20 Nm +45°
Mounting Pin
- For the right camshaft timing chain drive sprocket
- Asymmetrical version
- Installed position, refer to Fig 3
Drive Chain Sprocket
- For the right camshaft timing chain
- Installed position, refer to Fig 3
Right Camshaft Timing Chain
- Mark the running direction with paint for reinstallation
- Remove from the camshafts, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
- Removing and installing, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Thrust Washer
- For the right camshaft timing chain drive sprocket
- Asymmetrical version
- Installed position, refer to Fig 3
Chain Tensioner
- For the right camshaft timing chain
- Removing and installing, refer to CAMSHAFT TIMING CHAIN TENSIONER, REMOVING AND INSTALLING .
Glide
Bolt
- 5 Nm +90°
- Replacing

Fig 3: Locating Camshaft Timing Chain Drive Sprocket Mounting Pins

Courtesy of AUDI OF AMERICA, LLC

The alignment bushings in the right camshaft timing chain drive sprocket mounting pins -3- must engage in the holes in the thrust washer -1- and cylinder block.

2 - Right Camshaft Timing Chain Drive Sprocket

4 - Bolt