Timing Chain Guard And Camshaft Adjustment Valve 1 -N205- Overview

Fig 1: Identifying Assembly Overview: Timing Chain Covers

Courtesy of AUDI OF AMERICA, LLC

1. O-ring
   • Replace
   • Coat with oil before installing
2. Guide Tube for Oil Dipstick
3. Bolt
   • 9 Nm
4. Bolt
   • 9 Nm
5. Camshaft Adjustment Valve 1 -N205-
   • Removing and installing, refer to Camshaft Adjustment Valve 1 -N205- 
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. Gasket
   • Replace if damaged
10. O-ring
    • Replace
    • Coat with oil before installing
11. Alignment Pins
    • Centering the cover
12. Lower Timing Chain Cover
    • Replace
    • Removing and installing, refer to LOWER TIMING CHAIN COVER 
13. Bolt
    • Replace
    • Tightening sequence, refer to Fig 3
14. Shaft Seal
    • For the vibration damper
    • Removing and installing, refer to VIBRATION DAMPER SHAFT SEAL 
15. Plug
    • Replace

Fig 2: Identifying Upper Timing Chain Cover - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

-- Tighten the bolts to 9 Nm.

Fig 3: Timing Chain Lower Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 through 15- in 2 stages in the sequence shown:

-- 1. Tighten the bolts to 8 Nm.

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