Timing Chain Covers Assembly Overview

Timing Chain Covers Assembly Overview





1 O-ring

• Always replace.

• 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 ] Service and Repair.

6 Seal

• Replace if damaged.

• Oil before installing.

7 Bolt

• Tightening sequence and specification, refer to --> [ Upper Timing Chain Cover Bolt Tightening Sequence and Specification ].

8 Upper Timing Chain Cover

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

9 Gasket

• Replace if damaged.

10 O-ring

• Always replace.

• Oil before installing.

11 Lower Timing Chain Cover

• Removing and installing, refer to --> [ Lower Timing Chain Cover ] Lower Timing Chain Cover.

12 Bolt

• Always replace.

• Tightening sequence and specification, refer to --> [ Lower Timing Chain Cover Bolt Tightening Sequence and Specification ].

13 Seal

• For the vibration damper.

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

14 Sealing Plug

• Always replace.

Upper Timing Chain Cover Bolt Tightening Sequence and Specification





Special tools, testers and auxiliary items required

• Torque wrench 5-60 Nm (VAG 1783)

• Open end spanner insert AF 10 (VAG 1783/1)

- Tighten bolts in 2 passes in sequence - 1 through 5 - as follows:

- Tighten the bolts by hand.

- Tighten the bolts to 9 Nm.

Lower Timing Chain Cover Bolt Tightening Sequence and Specification





Special tools, testers and auxiliary items required

• Torque wrench 5-50 Nm (VAG 1331)

- Tighten the bolts in 3 passes in sequence - 1 through 15 - as follows:

1. Tighten the bolts by hand.

2. Tighten the bolts to 8 Nm.

3. Tighten the bolts an additional 90° (1/ 4 turn).