GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2004
🢒
Bonneville
🢒
HVAC
🢒
HVAC Systems - Automatic
🢒 HVAC Component Views
Figure
1:
Underhood Sensors - 3.8L
(1)
Air Temperature Sensor - Ambient
(2)
A/C Refrigerant Pressure Sensor
(3)
A/C Compressor Clutch
Figure
2:
Underhood Sensors - 4.6L
(1)
A/C Refrigerant Low Temperature Sensor
(2)
A/C Refrigerant Pressure Sensor
(3)
A/C Compressor Clutch
Figure
3:
Interior Sensors
(1)
Air Temperature Sensor - Lower Right
(2)
Radio
(3)
Hvac Control Module
(4)
Ignition Switch
(5)
Air Temperature Sensor - Lower Left
(6)
Air Temperature Sensor - Upper Left
(7)
Air Temperature Sensor - Upper Right
Figure
4:
HVAC Actuators
(1)
Mode Actuator
(2)
Air Temperature Actuator - Left
(3)
Aspirator
(4)
Recirculation Actuator
(5)
Blower Motor Control Processor
(6)
Blower Motor
(7)
Air Temperature Actuator - Right