Cylinder Head Cover Overview

Cylinder Head Cover Overview

=> [ Fuel Injector Seal ] Fuel Injector Seal

After the high pressure line installation, and when installing a new short block, it is particularly important to tighten the fuel injector tensioning bracket bolts to specification, refer to => [ Fuel Rail and Injector Overview ] Fuel Rail and Injector Overview. Only tighten the tensioning bracket bolts hand tight when installing the high pressure line in order to align the fuel injector. Engine damage may occur if not observed.






1 Gasket

• Replace if damaged or leaking.

2 Cylinder Head Cover

• Removing and installing, refer to => [ Cylinder Head Cover ] Cylinder Head Cover.

3 O-ring

• Always replace.

4 Hose

• For the crankcase ventilation.

• For removal, press the release button.

5 Sealing Hushing

• For the fuel rail.

• Replace if damaged or leaking.

6 Bracket

• For the electrical wires.

7 Grommet

8 Tensioning Bracket

9 Screw

• 8 Nm

10 Fuel Rail (High Pressure Reservoir)

• Note the rules of cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

• Do not change the angles of the high pressure lines.

• High pressure line, installing. Refer to => [ High Pressure Line, Installing ] Service and Repair.

11 Bolt

• 22 Nm

12 Bolt

• 8 Nm + an additional 180° (1/2) turn.

• Always replace.

13 Fuel Return Line

14 O-ring

• Always replace.

15 Fuel Injector

• Note the rules of cleanliness. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

• Removing and installing, refer to => [ Fuel Injectors ] Fuel Injectors.

16 O-ring

• Always replace.

17 Heat Protection Seal

• Always replace.

18 Seal

• For the fuel injector.

• Removing and installing, refer to => [ Fuel Injector Seal ] Fuel Injector Seal.

19 Cap

20 Gasket

• For the cap.

21 Grommet

22 Bracket

• For the electrical wires.

23 Bolt

• Replace if the seal is damaged.

• Tightening specification and sequence, refer to => [ Cylinder Head Cover Bolt Tightening Sequence and Specification ].

Cylinder Head Cover Bolt Tightening Sequence and Specification





- Tighten the cylinder head cover bolts in sequence - 1 through 6 - to 9 Nm.