Valve Cover: Service and Repair

Cylinder Head Cover

Special tools, testers and auxiliary items required

• Sealant (D 454 300 A2)

Removing

Any cable ties which are opened or cut off when removing, must be replaced in the same position when installing.

- Remove the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.

• Seal the intake passages in the intake manifold and in cylinder head with clean cloths.

- Disconnect all other electrical wires from the cylinder head cover and set them to the side.

- Loosen the cylinder head cover bolts starting from the inside and working toward the outside - 1 through 17 -.






- Remove the bolts and the cylinder head cover.

Installing






- Place a little sealant (D 454 300 A2) on the locations - arrows - marked on the cover.

- Install the cylinder head cover and tighten the bolts evenly starting on the inside and working toward the outside - 1 through 17 -.






- Install the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.

• Replace the cylinder head cover if it is damaged or if there are leaks.

• Make sure the fuel hoses are secure.

- Fill with coolant, if necessary. Refer to => [ Coolant, Draining and Filling ] Service and Repair

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Tightening Specifications