Timing Cover: Description and Operation

Timing Chain Cover and Sealing Flange Overview





1 Seal

• For the crankshaft.

• Replacing, refer to => [ Seal, Transmission Side ] Service and Repair.

2 Sealing Flange

• Transmission side.

• Removing and installing, refer to => [ Sealing Flange, Transmission Side ] Service and Repair.

3 Bolt

• 23 Nm

4 Bolt

• 8 Nm

• Tighten in a diagonal sequence and in steps.

5 Seal

• Quantity: 2

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

• Replace if there is leakage or damage. Refer to => [ Camshaft Timing Chain Cover Seals, Installing ] Service and Repair.

6 Bolt

• 10 Nm

7 Camshaft Position (CMP) Sensor

• CMP sensor (G40) and CMP sensor 2 (G163).

8 O-ring

• Quantity: 2

• Replace

9 Alignment Pins

• Quantity: 2

10 Timing Chain Cover

• The version for vehicles without the mechanical vacuum pump is shown.

• Version for vehicles with a mechanical vacuum pump, refer to => [ Mechanical Vacuum Pump Overview ] Mechanical Vacuum Pump Overview.

• Can be replaced only when the engine is removed.

11 Cylinder Head Gasket

• Clean the holes and fill with sealant, refer to => [ Installing ] Service and Repair.

12 Alignment Pins

13 Bolt

• 10 Nm