Honda 12310-RB0-003 Cover, Cylinder Head

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To remove the upper intake manifold, first disconnect the ignition coil connectors and remove the harness and any brackets from the valve cover on 2009 and later models. Thoroughly wipe off the valve cover to prevent debris from falling onto the exposed cylinder head or camshaft/valve train assembly. Loosen the bolts gradually in the reverse order of the tightening sequence, then lift off the valve cover and gasket. If the gasket is stuck to the cylinder head, tap it with a rubber mallet to break the seal, avoiding prying between the cover and cylinder head to prevent damage to the gasket mating surfaces. For installation, remove the old gasket and clean the mating surfaces of the cylinder head and valve cover with a rag soaked in brake system cleaner. Install a new molded rubber gasket into the groove around the valve cover perimeter and apply beads of RTV sealant where the timing chain cover meets the cylinder head. Position the cover and tighten the bolts in the recommended sequence to the specified torque. The remainder of the installation follows the reverse order of removal.