Cylinder Head Cover Installation (L12A/L13A)

Cylinder Head Cover Installation

1.Thoroughly clean the head cover gasket and the groove.

2.Install the head cover gasket (A) in the groove of the cylinder head cover (B).


3.Check that the mating surfaces are clean and dry.

4.Apply a 3.0 mm wide bead of the liquid gasket, P/N 08C70-K0234M, 08C70-K0334M or 08C70-X0331S, on the chain case mating areas (A).

NOTE: Do not install the parts if 5 minutes or more have elapsed since applying liquid gasket. Instead, reapply liquid gasket after removing old residue.


5.Once the cylinder head cover (A) on the cylinder head, slide the cover slightly back and forth to seat the head cover gasket.


6.Inspect the cover washer (B). Replace any washer that is damaged or deteriorated.

7.Tighten the bolts in two or three steps. In the final step tighten all bolts, in sequence, 12 N·m (1.2 kgf·m, 8.7 lbf·ft).


8.Install the harness bracket mounting bolt (A), breather hose (B) and ground cable (C).


9.Install the eight ignition coils.

10.Install the intake manifold.

11.Check that all tubes, hoses, and connectors are installed correctly.

12.After assembly, wait at least 30 minutes before filling the engine with oil.