Timing Chain Covers Overview

Fig 1: Identifying Assembly Overview: Timing Chain Covers

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1. O-ring 
   • Always replace.
   • Lubricate before installing.
2. Oil Dipstick Guide 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- .
6. Seal 
   • Lubricate before installing.
   • Replace if damaged.
7. Bolt 
   • Tightening sequence, refer to UPPER TIMING CHAIN COVER .
8. Upper Timing Chain Cover 
   • Removing and installing, refer to UPPER TIMING CHAIN COVER .
   • Tightening sequence, refer to Fig 2.
9. Gasket 
   • Replace if damaged.
10. O-ring 
    • Always replace.
    • Lubricate before installing.
11. Alignment Sleeve 
    • For centering the cover.
12. Lower Timing Chain Cover 
    • Tightening sequence, refer to Fig 3.
    • Removing and installing, refer to one of the following:
      • Passat and CC, refer to .
      • GTI and Eos, refer to LOWER TIMING CHAIN COVER .
      • Tiguan, refer to .
13. Bolt 
    • Always replace.
    • Observe the tightening sequence Fig 3.
14. Shaft Seal 
    • For the vibration damper.
    • Removing and installing, refer to VIBRATION DAMPER SHAFT SEAL .
15. Sealing Plug 
    • Always replace.

Fig 2: Identifying Upper Timing Chain Cover - Tightening Sequence

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Tighten the bolts in 2 passes in sequence -1 through 5- :

1. Tighten the bolts by hand 
2. Tighten the bolts to 9 Nm 

Fig 3: Identifying Lower Timing Chain Cover Bolts

Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Tighten the bolts in 2 passes in sequence -1 through 15- :

1. Tighten the bolts to 8 Nm 
2. Tighten the bolts an additional 45° (1/8) turn