Heater-Evaporator Unit Overhaul
1. Remove the self-tapping screws and the vent/defroster duct.
2. Remove the self-tapping screws and the pipe clamps.
3. Remove the self-tapping screws and the core clamp.
4. Pull out the heater core
NOTE: Be careful not to bend the inlet and outlet pipes during heater core removal.
5. Assemble in the reverse order of disassembly.