Overview - Timing Chain Cover

Fig 1: Exploded View Of Timing Chain Cover

Courtesy of AUDI OF AMERICA, LLC

1. O-Ring
   • Replace after removing.
   • Lubricate with engine oil
2. Oil Dipstick Tube
3. Bolt
   • 9 Nm
4. Bolt
   • Tightening Specifications and Sequence. Refer to Fig 2.
5. Bolt
   • 9 Nm
6. Camshaft Adjustment Valve 1 -N205-
   • Removing and Installing. Refer to Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING .
7. Bolt
   • 9 Nm
8. Exhaust Camshaft Adjustment Valve 1 -N318-
   • Removing and Installing. Refer to Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING .
9. Seals
   • Replace after removing.
   • Installation position: smaller inner diameter outward
   • Remove to replace the upper timing chain cover -item  ) OVERVIEW - TIMING CHAIN COVER - List Item: Upper Timing Chain Cover
   • Lubricate with engine oil
10. Seal
    • Replace if damaged
11. Filler Neck
    • Installed, depending on the version
12. Seal
    • Replace if damaged
    • Installed, depending on the version
13. Cap
14. Upper Timing Chain Cover
    • Removing and Installing. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .
15. Seal
    • Replace if damaged
16. O-Rings
    • Replace after removing.
    • Coat with engine oil
17. Alignment Pin
    • For the lower timing chain cover
    • Quantity: 2
18. Bolt
    • Replace after removing.
    • Tightening Specifications and Sequence. Refer to Fig 3.
19. Lower Timing Chain Cover
    • Replacing. Refer to LOWER TIMING CHAIN COVER, REPLACING .
20. Seal
    • For the vibration damper
    • Replacing. Refer to VIBRATION DAMPER SEAL, REPLACING .
21. Plugs
    • Replace after removing.

Upper Timing Chain Cover - Tightening Specifications and Sequence 

Fig 2: Upper Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

Lower Timing Chain Cover - Tightening Specifications And Sequence 

Fig 3: Lower Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

• Replace the bolts that were tightened with an additional turn after removing them.

-- Tighten the bolts in the steps shown in the sequence: