Equinox FWD V6-3.4L VIN F (2005)
Evaporator Core: Service and Repair
First Design
EVAPORATOR CORE REPLACEMENT (FIRST DESIGN)
REMOVAL PROCEDURE
The first design can be identified by the attachment method of the evaporator outlet hose and the liquid line to the thermal expansion valve (TXV).
They are retained to the TXV independently using nuts.
1. Remove the HVAC module. See: Housing Assembly HVAC/Service and Repair
2. Remove the evaporator case assembly.
3. Remove the TXV bolts from the backing plate.
4. Remove the TXV and the backing plate from the evaporator pipes.
5. Remove the O-rings from evaporator pipes.
6. Install protective caps to the evaporator pipes to prevent system contamination.
7. Remove the HVAC module front of dash seal.
8. Remove the evaporator pipe cover screw from the blower case assembly.
9. Remove the evaporator pipe cover from the blower case assembly.