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