Cylinder bank 2 (left) camshaft timing chain

Fig 1: Exploded View Of Cylinder Bank 2 (Left) Camshaft Timing Chain

Courtesy of AUDI OF AMERICA, LLC

1. Mounting Pin
   • 23 Nm
2. Tensioning Rail
3. 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 .
4. Chain Tensioner
   • Removing and Installing. Refer to CHAIN TENSIONER, REMOVING AND INSTALLING .
5. Bolt
   • 9 Nm
6. Seal
   • Replace after removing
7. Gliding Piece
   • Replace after removing
8. Control Valve
   • For the camshaft adjuster
   • Tightening specification and sequence. Refer to Installing .
9. O-Ring
   • Replace after removing
10. Camshaft Adjuster
    • For the intake camshaft
    • Allocation. Refer to the Electronic Parts Information (ETKA).
    • After removal replace the friction disc (diamond disc)  : Friction Disc (Diamond Disc)
    • Removing and Installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
11. Friction Disc (Diamond Disc)
    • For the connection security between the camshaft adjuster and camshaft end
    • Replace after removing
    • Bring the new friction disc (diamond disc) without kinking into its installation position
12. Friction Disc (Diamond Disc)
    • For the connection security between the camshaft adjuster and camshaft end
    • Replace after removing
    • Bring the new friction disc (diamond disc) without kinking into its installation position
13. Camshaft Adjuster
    • For the exhaust camshaft
    • Allocation. Refer to the Electronic Parts Information (ETKA).
    • After removal replace the friction disc (diamond disc)  : Friction Disc (Diamond Disc)
    • Removing and Installing. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .
14. O-Ring
    • Replace after removing
15. Control Valve
    • For the camshaft adjuster
    • Tightening specification and sequence. Refer to Installing .
16. Guide Rail
17. Bolt
    • 9 Nm
18. Gear
    • With the chain sprocket for the camshaft timing chain