Overview - Timing Chain Cover

Fig 1: Timing Chain Cover Exploded View

Courtesy of AUDI OF AMERICA, LLC

1. O-Ring
   • Always replace
   • Coat with oil before installing
2. Oil Dipstick Tube
3. Bolt
   • 9 Nm
4. Bolt
   • 9 Nm
5. Camshaft Adjustment Valve 1 -N205-
   • Removing and installing. Refer to Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING .
6. Seal
   • Coat with oil before installing
   • Replace if damaged
7. Bolt
   • Tightening sequence. Refer to Fig 2
8. Upper Timing Chain Cover
   • Removing and installing. Refer to Fig 2.
9. Seal
   • Replace if damaged
10. O-Ring
    • Always replace
    • Coat with oil before installing
11. Alignment Pins
    • Centering the cover
12. Lower Timing Chain Cover
    • Replacing. Refer to LOWER TIMING CHAIN COVER, REPLACING .
13. Bolt
    • Replace
14. Shaft Seal
    • For the vibration damper
    • Replacing. Refer to VIBRATION DAMPER SEALING RING, REPLACING .
15. Plug
    • Always replace

-- Tighten the bolts -1 through 5- in the sequence shown:

-- Tighten the bolts to 9 Nm.

-- Tighten the bolts -1 through 15- in two stages in the sequence shown:

-- 1. Tighten the bolts to 8 Nm.

-- 2. Turn the bolts an additional 45°.

Fig 2: Timing Chain Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 through 8- in two stages in the sequence shown:

-- 1. Tighten the bolts to 4 Nm.

-- 2. Turn the bolts an additional 45°.