Disconnect the heater hoses from the heater core tubes and plug the hoses with suitable 5 / 8 inch; (16mm) plugs.
Remove the glove compartment liner.
Remove eight (8) screws attaching the heater core cover to the plenum and remove the cover.
Remove the heater core from the plenum taking care not to spill coolant from the core.
Install the heater core in the plenum.
Install the heater core cover (eight screws).
Install the glove compartment liner.
Connect the heater hoses to the heater core. Tighten the hose clamps.
Add coolant to raise the coolant level to specification.