Overview - Timing Chain Cover

Fig 1: Identifying Timing Chain Cover Overview

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • Replacing
   • Tightening specification and sequence, refer to Fig 4.
2. Shaft Seal
   • For the crankshaft on the transmission side
   • Replacing, refer to CRANKSHAFT SEAL, REPLACING, TRANSMISSION SIDE .
3. Alignment Sleeve
   • Quantity: 2
4. Lower Timing Chain Cover
   • Removing and installing, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
5. Left Cylinder Head Gasket
6. Bolt
   • Tightening specification, refer to -Item 13- in OVERVIEW - COOLANT PIPES .
7. Upper Rear Coolant Pipe
   • depending on the version with additional threaded connection
   • Removing and installing, refer to UPPER REAR COOLANT PIPE, REMOVING AND INSTALLING .
8. Nut
   • Only for specific engines
   • 9 Nm
9. Double Bolt
   • Only for specific engines
   • Replacing
   • Tightening specification and sequence, refer to Fig 2.
10. Left Timing Chain Cover
    • Removing and installing, refer to LEFT TIMING CHAIN COVER, REMOVING AND INSTALLING .
11. Bracket
12. Bolt
    • Replacing
    • Tightening specification and sequence, refer to Fig 2.
13. O-Ring
    • Replacing
14. Left Connecting Pipe
    • Remove using a drift
15. O-Ring
    • Replacing
16. O-Ring
    • Replacing
17. Bolt
    • 9 Nm
18. Connection
    • For coolant
19. O-Ring
    • Replacing
20. Bolt
    • Replacing
    • Tightening specification and sequence, refer to Fig 3.
21. Bracket
22. O-Ring
    • Replacing
23. Right Connecting Pipe
    • Remove using a drift
24. O-Ring
    • Replacing
25. Right Timing Chain Cover

    Removing and installing, refer to RIGHT TIMING CHAIN COVER, REMOVING AND INSTALLING .

26. Bolt
    • Replacing
    • Tightening specification and sequence, refer to Fig 3.
27. O-Ring
    • Replacing
28. Clamp
29. Bolt
    • Tightening specification, refer to -Item 11- in OVERVIEW - COOLANT PIPES .
30. Right Cylinder Head Gasket
31. Alignment Sleeve
    • Quantity: 2
32. Engine Speed Sensor -G28-
    • Removing and installing, refer to ENGINE SPEED SENSOR -G28-, REMOVING AND INSTALLING .
33. Bolt
    • Tightening specification, refer to -Item 12- in OVERVIEW - IGNITION SYSTEM .

Fig 2: Left Timing Chain Cover, Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Right Timing Chain Cover, Tightening Specifications and Sequence

Courtesy of AUDI OF AMERICA, LLC

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

Fig 4: Lower Timing Chain Cover Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in stages as follows: