Cylinder Head Cover and Cylinder Head Overview

Cylinder Head Cover and Cylinder Head Overview






1 Bolt

• Replace if the seal is damaged

• Tightening sequence, refer to => [ Cylinder Head Cover, Tightening Specifications
and Sequence ]

2 Cylinder Head Cover

3 Gasket

• Replace if damaged or leaking

4 Pressure Regulator Valve

• For crankcase ventilation

5 Cover

6 Gasket

• Replace if damaged or leaking

7 Bolt

• 4 Nm

8 Cylinder Head Cover Gasket

• Replace if damaged or leaking

9 Vacuum Pump

10 Bolt

• 4 Nm

11 Camshaft Adjustment Valve 1 (N205)

• Removing and installing, refer to => [ Camshaft Adjustment Valve 1 ] Camshaft Adjustment Valve 1

12 Seal

• Removing and installing

13 Bolt

• 9 Nm

14 Harness Mount

15 Seal

• Replace if damaged or leaking

16 Bolt

• 9 Nm

17 Housing

• For the drive chain

18 Gasket

• Replace

19 Engine Lifting Eye

20 Bolt

• 23 Nm

21 Threaded Pin

• 9 Nm

• For intake manifold

22 Partition Plate

23 Cylinder Head Gasket

• Replace

• Note installation position: The part number faces the cylinder head

24 Bolt

• 9 Nm

25 Camshaft Position Sensor (G40)

26 Seal

27 Threaded Pin

• 15 Nm

• For the tensioning roller

28 Threaded Pin

• 17 Nm

• For exhaust manifold

29 Cylinder Head

• Removing and Installing, refer to => [ Cylinder Head ] Cylinder Head

• Refer to=> [ Checking Cylinder Head for Distortion ]

• Refer to=> [ Reworking Dimension, Cylinder Head ]

• After replacing, change coolant and engine oil

30 Bolt

• Replace

• Follow the sequence when loosening => [ Loosen the cylinder head bolts
in the following sequence. ] Cylinder Head

• Tightening specification and sequence, refer to => [ Cylinder Head, Tightening Specifications
and Sequence ]

Cylinder Head Cover, Tightening Specifications and Sequence










Cylinder Head, Tightening Specifications and Sequence










Checking Cylinder Head for Distortion





- Check the cylinder head in several places for distortion using a straight edge and a feeler gauge.

• Maximum permissible distortion: 0.05 mm.

Reworking Dimension, Cylinder Head





Resurfacing cylinder head (face grinding) is only permissible to minimum dimension - a -.

• Minimum dimension - a - = 139.20 mm.