GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Express - AWD
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Heater Assembly Replacement
Removal Procedure
Remove the evaporator and blower module assembly. Refer to
Air Conditioning (A/C) Evaporator and Blower Module Assembly Replacement
.
Remove the heater assembly retaining nuts (1) from the engine compartment.
Remove the I/P carrier. Refer to
Instrument Panel Carrier Replacement
.
Disconnect the temperature actuator electrical connector.
Disconnect the vacuum lines from the actuators.
Remove the heater assembly.
Installation Procedure
Install the heater assembly.
Connect the vacuum lines to the actuators.
Connect the temperature actuator electrical connector.
Install the I/P carrier. Refer to
Instrument Panel Carrier Replacement
.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the heater assembly retaining nuts (2) to the engine compartment and tighten to
6 N·m (53 lb in)
.
Install the evaporator and blower module assembly. Refer to
Air Conditioning (A/C) Evaporator and Blower Module Assembly Replacement
.