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Home >> Volkswagen >> 2021 >> Jetta S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Cylinder Head, VALVETRAIN [DKFA,CXDB]) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Overview - Timing Chain Cover

Overview - Timing Chain Cover

WARNING: This page is about a different variant/trim than selected.
Fig 1: Exploded View Of Timing Chain Cover
GWWA15-11682Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. O-Ring
    • Replace after removing.
    • Lubricate with engine oil
  2. Oil Dipstick Tube
  3. Not Installed
  4. Not Installed
  5. Bolt
    • Tightening Specifications and Sequence. Refer to Fig 2.
  6. Bolt
    • 9 Nm
  7. Camshaft Adjustment Valve 1 -N205-
  8. Bolt
    • 9 Nm
  9. Exhaust Camshaft Adjustment Valve 1 -N318-
  10. Seals
  11. Seal
    • Replace if damaged
  12. Cap
  13. Upper Timing Chain Cover
  14. Seal
    • Replace if damaged
  15. O-Rings
    • Replace after removing.
    • Coat with engine oil
  16. Alignment Pin
    • For the lower timing chain cover
    • Quantity: 2
  17. Bolt
    • Tightening specification and sequence, cover with 15 bolts. Refer to Fig 4.
    • Tightening specification and sequence, cover with 8 bolts. Refer to Fig 3.
    • Replace after removing.
  18. Lower Timing Chain Cover
  19. Seal
  20. Plugs
    • Replace after removing.

Upper Timing Chain Cover - Tightening Sequence 

Fig 2: Upper Timing Chain Cover - Tightening Sequence
GWWA15-11235Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the bolts -1 through 6- 6 in the sequence shown:

Step Screws Tightening Specification/Additional Turn
1. -1 to 6- Install all the way by hand
2. -1 to 6- 9 Nm

Lower Timing Chain Cover - Eight Bolt Tightening Sequence 

Fig 3: Lower Timing Chain Cover - Eight Bolt Tightening Sequence
GWWA15-11234Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

Step Screws Steel Bolts Aluminum Bolts
1. -1 through 8- 8 Nm 4 Nm
2. -2 to 3- and -5 to 8- 45° additional turn 45° additional turn
3. -1 and 4- After installing the vibration damper tighten with an additional turn. After installing the vibration damper tighten with an additional turn.

Lower Timing Chain Cover - Tightening Sequence for 15 Bolts 

Fig 4: Lower Timing Chain Cover - Tightening Sequence for 15 Bolts
GWWN15-10474Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

Step Screws Steel Bolts Aluminum Bolts
1. -1 through 15- 8 Nm 4 Nm
2. -1, 2, 4, 5 and 7 to 15- 45° additional turn 45° additional turn
3. -3 and 6- After installing the vibration damper tighten with an additional turn. After installing the vibration damper tighten with an additional turn.