Overview - Camshaft Timing Chains

Fig 1: Exploded View Of Camshaft Timing Chains

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Tensioning Rail
2. Bolt
   • 9 Nm
   • Quantity: 2
3. Chain Tensioner
4. Guide Pin
   • 20 Nm
5. Bolt
   • Replace after removing
   • Tightening specification and sequence. Refer to Fig 2.
   • Quantity: 6
6. Adapter Sleeve
7. O-Ring
   • Replace after removing
   • Depending on the equipment/version
8. Control Valve
   • 35 Nm
   • Left-hand thread
   • Quantity: 2
   • Refer to CHECKING THE CONTROL VALVE  .
9. O-Ring
   • Replace after removing
   • Depending on the equipment/version
10. Bearing Bracket
    • Refer to Bearing Bracket, Removing and Installing  .
11. Guide Rail
12. Cylinder Head Cover
13. Camshaft Timing Chain
    • Refer to Camshaft Timing Chain, Removing and Installing  .
14. Guide Rail
15. Guide Pin
    • 20 Nm
    • Quantity: 2
16. Three Stage Chain Sprocket

Bearing Bracket - Tightening Specifications and Sequence

Fig 2: Bearing Bracket Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.