Timing Chain Cover Overview

Timing Chain Cover Overview






1 O-ring

• Always replace.

• Coat with oil 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 ] Service and Repair.

6 Seal

• Coat with oil before installing.

• Replace if damaged.

7 Bolt

• Tightening sequence, refer to => [ Upper Timing Chain Cover ] Upper Timing Chain Cover.

8 Upper Timing Chain Cover

• Removing and installing, refer to => [ Upper Timing Chain Cover ] Upper Timing Chain Cover.

9 Seal

• Replace if damaged.

10 O-ring

• Always replace.

• Coat with oil before installing.

11 Alignment Sleeve

• For centering the lower cover.

12 Lower Timing Chain Cover

• Tightening sequence with 15 bolts.

• Tightening sequence with 8 bolts.

• Removing and installing, refer to the following:

Passat and CC, refer to => [ Lower Timing Chain Cover ] Lower Timing Chain Cover.

13 Bolt

• Always replace.

• Tightening sequence with 15 bolts.

• Tightening sequence with 8 bolts.

14 Seal

• For the vibration damper.

• Replacing, refer to => [ Vibration Damper Seal ] Service and Repair.

15 Sealing Plug

• Always replace.

Upper Timing Chain Cover Bolt Tightening Sequence





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

1 - Tighten the bolts hand tight

2 - Tighten the bolts to 9 Nm

Lower Timing Chain Cover Bolt Tightening Sequence, with 15 Bolts





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

- 1. Tighten the bolts to 8 Nm.

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

Lower Timing Chain Cover Bolt Tightening Sequence, with 8 Bolts





- Tighten the bolts in 2 stages in sequence - 1 through 8 -:

- 1. Tighten the bolts to 4 Nm.

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