Timing Chain Covers, Assembly Overview

Timing Chain Covers, Assembly Overview






1 Shaft seal

• For crankshaft

• Replacing => [ Crankshaft Shaft Seal ] Service and Repair.

2 Timing chain cover, lower

• Removing and installing => [ Lower Timing Chain Cover ] Lower Timing Chain Cover.

3 Bolt

• Tightening sequence => [ Lower Timing Chain Cover Tightening Sequence ]

4 Bolt

• Tighten in diagonal sequence in steps

• 9 Nm

5 Seal

• 2 pieces

• For camshaft adjustment valve 1 (N205) and camshaft adjustment valve 1 (exhaust) (N318)

• Replace if leaking or damaged

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

6 Bolt

• 9 Nm

7 Camshaft Position (CMP) sensor

• Camshaft Position (CMP) sensor (G40) and Camshaft Position (CMP) sensor 2 (G163)

8 O-ring

• 2 pieces

• Replace

9 Alignment bushing

• 2 pieces

10 Timing chain cover, upper

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

• Vehicles without mechanical vacuum pump is shown

• Vehicles with mechanical vacuum pump => [ Mechanical Vacuum Pump, Assembly Overview ] Mechanical Vacuum Pump, Assembly Overview.

11 Cylinder head gasket

• Clean holes and fill with sealant => [ Installing ] Lower Timing Chain Cover.

12 Guide pin

13 Bolt

• Tightening sequence => [ Lower Timing Chain Cover Tightening Sequence ]

Lower Timing Chain Cover Tightening Sequence





- Tighten bolts in 3 stages as follows:

- Tighten bolts - 1 - to 5 Nm.

- Tighten bolts - 2 - to 23 Nm.

- Tighten bolts - 1 - to 9 Nm.