Valve Cover: Service and Repair
Cylinder head cover, removing and installing
Removing
^ Remove engine cover -arrows-.
^ Remove air filter cover -arrow-.
^ Unscrew bolts -arrows-. - Remove air ducts -1- and -2-.
^ Remove pipe of crankcase vent -1-.
^ Disconnect hose of crankcase venting from cylinder head cover.
^ Remove pipe -1- from combination valve for secondary air inlet on cylinder head cover and from heat shield -3- (engine code ANB only).
^ Slightly swivel secondary air inlet pipe to side.
^ Disconnect Ground wire -2-.
^ Disconnect connectors -3-.
^ Move pipes and hoses aside.
^ Remove ignition coils -1-.
^ Loosen 2 top retaining clamps for toothed belt guard.
^ Loosen nuts -arrows- for cylinder head cover and remove cylinder head cover.
Installing
Installation is carried out in the reverse order of removal.
Note: Replace seals and gaskets.
^ Replace cylinder head cover gaskets if damaged.
^ Apply a small quantity of sealant AMV 174 004 01 to sides of joints (arrows) on upper sealing surface of cylinder head.
^ Apply a small quantity of sealant AMV 174 004 01 to sides of joints (arrows) on upper sealing surface of cylinder head.
^ First tighten inner nuts for cylinder head cover then tighten outer nuts diagonally.
^ Check that upper toothed belt guard is correctly seated.
Tightening torques