Overview - Timing Chain Cover, Engine With One Camshaft Adjuster

Fig 1: Exploded View Of Timing Chain Cover (Engine With One Camshaft Adjuster)

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • Tightening Specifications:
     • Steel bolt 9 Nm
     • Aluminum bolt 4 Nm +45°
   • Aluminum bolt: Always replace after removal
2. Camshaft Adjustment Valve 1 -N205-
   • Always replace the O-ring, refer to -item  9-.
   • Removing and installing. Refer to Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING .
3. Seal
   • Always replace after removing
   • Coat with oil before assembly
4. Upper Timing Chain Cover
   • Removing and installing. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING, ENGINE WITH ONE CAMSHAFT ADJUSTER .
5. Cap
6. Seal
   • Always replace after removing
7. Bolt
   • Tightening sequence. Refer to Fig 2.
8. Seal
   • Always replace if damaged
9. O-ring
   • Always replace after removing
   • Coat with oil before assembly
10. Engine
11. Alignment Pins
    • For centering the cover
12. Lower Timing Chain Cover
    • Always replace after removing
    • With gasket
    • Removing and installing. Refer to LOWER TIMING CHAIN COVER, REPLACING .
13. Seal
    • For the vibration damper
    • Replacing. Refer to VIBRATION DAMPER SEAL, REPLACING .
14. Plugs
    • Always replace after removing
15. Bolt
    • Tightening specifications and sequence
      • With 15 bolts. Refer to Figure.
      • With 8 bolts. Refer to Figure.
    • Always replace after removing
16. O-ring
    • Always replace after removing
    • Coat with oil before assembly
17. Oil Dipstick Tube
18. Bolt
    • 9 Nm

Fig 2: Upper Timing Chain Cover Bolts - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 to 6- in the sequence shown to 9 Nm.