1. Apply liquid gasket, P/N 08C70-K0234M or 08C70-K0334M, evenly to the cylinder head mating surface of the heater outlet cover.
   NOTE: Do not install the parts if 4 minutes or more have elapsed since applying liquid gasket. Instead, reapply liquid gasket after removing the old residue.

1. Install the heater outlet cover in the reverse order of removal. Always use new washers.

1. After assembly, wait at least 30 minutes before filling the expansion tank with engine coolant, and bleed air from the cooling system with the heater valve open.