Overview - Camshaft Timing Chains, Engine Codes CXBA, CNSA, CXBB And CNSB: Notes

Fig 1: Exploded View Of Camshaft Timing Chains, Engine Codes CXBA, CNSA, CXBB AND CNSB

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Bolt
- 4 Nm +90°
- Replace after removing.
Chain Tensioner
- Is under tension
- Secure using the Locking Tool:T40267 before removing
Timing Chain Tensioning Rail
Guide Pin
- 20 Nm
Bolt
- Tightening specification and sequence. Refer to Bearing Bracket - Tightening Specifications and Sequence .
- Replace after removing.
Control Valve
- 35 Nm
- Left-hand thread
- Depending on the version, remove using the Assembly Tool:T10352/2 or Assembly Tool:T10352/4 .
- Checking using the Vehicle Diagnostic Tester Checking the Control Valve .
Bolt
M 6 bolt
- 8 Nm +90°
  M8 Bolt:
- 20 Nm + 90°
- Replace after removing.
Washer
Bearing Bracket
- Depending on the version with adapter sleeve.
- Tightening specification and sequence. Refer to Bearing Bracket - Tightening Specifications and Sequence .
- Assembly instructions. Refer to Bearing Bracket - Assembly Instructions .
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 Three Stage Chain Sprocket - Installed Position .