Disconnect the negative battery cable, remove the instrument panel assembly, the heater/air distribution case, the linkage screw, the linkage lever, and the screws that secure the
Heater Core cover, separate the lower heater core cover, remove the screw and the bracket clamp that secure the heater core lines to the case, the spring clamp that secures the heater core body to the case, and the heater core from the case.