GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Saturn
🢒
2009
🢒
AURA
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Air Conditioning Evaporator Core Replacement
Removal Procedure
Remove the HVAC module assembly. Refer to
HVAC Module Assembly Replacement
.
Remove the center floor air outlet duct screws.
Remove the center floor air outlet duct.
Drill out the lower HVAC module case heat stakes.
Remove the lower HVAC module case screws.
Remove the lower HVAC module case.
Remove the thermal expansion valve screws.
Remove the thermal expansion valve.
Remove and discard the sealing washers.
Remove the evaporator.
Installation Procedure
If replacing the evaporator, add the specific amount of PAG® oil directly to the evaporator. Refer to
Refrigerant System Capacities
.
Install the evaporator.
Install new sealing washers. Refer to
Sealing Washer Replacement
.
Install the thermal expansion valve.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the thermal expansion valve screws and tighten to
7 N·m (62 lb in)
.
Install the lower HVAC module case.
Install the lower HVAC module case screws and tighten to
1.5 N·m (13 lb in)
.
Install the center floor air outlet duct.
Install the center floor air outlet duct screws and tighten to
1.5 N·m (13 lb in)
.
Install the HVAC module assembly. Refer to
HVAC Module Assembly Replacement
.