Timing Cover: Service and Repair

Timing Chain Covers Assembly Overview

• Items - 1 through 3 -, refer to => [ Dual-Mass Flywheel Component Overview ] Dual-Mass Flywheel Component Overview.





4 - Bolt

• Tightening specifications, refer to => [ Upper Timing Chain Cover - Tightening Specifications
and Tightening Sequence ]

5 - Thermostat Housing

• Removal and installation, refer to => [ Coolant Thermostat Housing ] Coolant Thermostat Housing

6 - Bolt

• 10 Nm

7 - Bracket

• Illustration does not correspond to version in vehicle

8 - Gasket

• Replace

9 - Seal

• 2 pieces

• For Camshaft Adjustment Valve 1 (N205) and Camshaft Adjustment Valve 1 (exhaust) (N318)

• Replace if leaking or damaged

• Replacing, refer to => [ Timing Chain Upper Cover Seal ] Timing Chain Upper Cover Seal.

10 - Bolt

• 10 Nm

11 - Camshaft Position Sensor

• 2 pieces

• Mark the electrical connector before disconnecting

12 - O-ring

• 2 pieces

• Replace

13 - Upper Timing Chain Cover

• Coat sealing surfaces with sealant when installing => [ Lightly coat clean sealing surface on timing chain upper cover with sealant. ] Camshaft Timing Chain

14 - Alignment Bushing

• 2 pieces

15 - Gasket

• Replace

16 - O-ring

• Replace

17 - Seal

• Replace if leaking or damaged

18 - Camshaft Timing Chain Tensioner

• Tightening specifications, refer to => [ Timing Chain Component Overview ] Timing Chain Component Overview

19 - Bolt

• Tightening specifications and tightening sequence, refer to => [ Upper Timing Chain Cover - Tightening Specifications
and Tightening Sequence ]

20 - Cylinder Head Gasket

• Clean holes and fill with sealant => [ Clean sealant residue from 3 mm bores in cylinder head seal. ] Camshaft Timing Chain

21 - Fitting Pin

22 - Lower Timing Chain Cover

• When installing, coat the sealing surfaces with sealant; sealant

23 - Bolt

• 10 Nm

• Fasten in diagonal sequence in steps

Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence





1. Pre-tighten the bolts - 1 - and - 2 - to 5 Nm.

2. Tighten the bolts - 3 - to 23 Nm.

3. Tighten the bolts - 1 - and - 2 - to 10 Nm.