Wrangler L6-4.0L VIN S (2000)
4. Disengage the heater-A/C wire harness connector and the blower motor relay wire harness connector push-in retainers from their mounting
holes on the heater-A/C housing.
5. Remove the blower motor and blower wheel unit from the heater-A/C housing.
6. Carefully remove the foam seal from the flange around the blower motor opening in the heater-A/C housing. If the seal is deformed or
damaged, it must be replaced.
Heater-A/C Housing Disassembly
7. Pull the vacuum supply line and connector through the foam seal on the heater core and evaporator coil tube mounting flange of the heater-A/C
housing.
8. If the unit is equipped with air conditioning, remove the screw that secures the clamp to the evaporator coil tubes and remove the clamp.
9. Carefully remove the foam seal from the heater core and evaporator coil tube mounting flange of the heater-A/C housing. If the seal is
deformed or damaged, it must be replaced.
10. Use a screwdriver to pry off the two snap clips that help secure the upper and lower heater-A/C housing halves to each other.
11. Remove the 14 screws that secure the upper and lower heater-A/C housing halves to each other.
12. Carefully separate the upper heater-A/C housing half from the lower half
Assembly
1. Assemble the upper heater-A/C housing half to the lower half. During assembly, be certain of the following:
Heater-A/C Housing Assembly
a. That each of the mode door pivot shaft ends is properly engaged in its pivot hole.
b. That the blower motor venturi ring is properly indexed and installed.