Overhaul
Use this procedure if any or all of the following items require service:
- Heater core
- Evaporator
- HVAC housing
The HVAC housing must be removed from the vehicle before beginning with this procedure. Removal and Replacement
DISASSEMBLY
HVAC Housing Air Conditioning Foam Seals:
1. Separate the air distribution outlet foam seals at the case parting line.
HVAC Housing Evaporator Connection And Heater Core Tube Seats:
2. Remove the evaporator lines foam seal, and heater core tubes foam seal from the unit.
3. Remove the retaining clips and screws that hold the upper and lower housings together.
4. Separate the two halves of the housing.
5. Lift the heater core/evaporator out of the case.
ASSEMBLY
To reassemble, reverse the above procedures.