Overview - Left Camshaft Timing Chain

Fig 1: Left Camshaft Timing Chain Exploded View

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 80 Nm + 90°
- Always replace
Bolt
- 80 Nm + 90°
- Always replace
Camshaft Adjuster
- For the intake camshaft
- Designation "IN"
- Removing and installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
Camshaft Adjuster
- For the exhaust camshaft
- Designation "EX"
- Removing and installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
Left Camshaft Timing Chain
- Mark the running direction with paint for reinstallation
- Removing from the camshafts. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
- Removing and installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .
Bolt
- 5 Nm + 90°
- Always replace
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°
- Always replace