GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 HVAC 🢒 HVAC - Manual 🢒 HVAC Component Views
Figure 1:

Left Front of the Engine (4.2L)
Object Number: 797101 Size: MF
(1)A/C Refrigerant Pressure Sensor
(2)A/C Compressor
Figure 2:

Lower Left Side of the Engine (4.2L)
Object Number: 747710 Size: MF
(1)A/C Compressor Clutch Assembly Connector
(2)A/C Compressor Clutch
Figure 3:

Upper Right Side of the Engine - Front (5.3L/6.0L)
Object Number: 1686886 Size: MF
(1)Engine Harness
(2)G109
(3)A/C Refrigerant Pressure Sensor
Figure 4:

Lower Right Side of the Engine - Front (5.3L/6.0L)
Object Number: 1494487 Size: MF
(1)A/C Compressor Clutch
(2)A/C Compressor Clutch Assembly
(3)A/C Compressor Clutch Assembly Connector
(4)Engine Harness
Figure 5:

Right Rear of the Engine Compartment
Object Number: 1775168 Size: MF
(1)A/C Low Pressure Switch
(2)Forward Lamp Harness
(3)A/C Accumulator
Figure 6:

Instrument Panel, Center
Object Number: 799701 Size: MF
(1)Radio
(2)HVAC Control Module
(3)I/P Harness
Figure 7:

Instrument Panel Carrier
Object Number: 799702 Size: MF
(1)Blower Motor
(2)I/P Center Support
(3)Blower Motor Resistor Assembly
(4)Air Temperature Actuator - Left
Figure 8:

Instrument Panel Carrier, Left and Right
Object Number: 747718 Size: MF
(1)Air Temperature Actuator-Right
(2)Air Temperature Actuator-Left
(3)Defrost Actuator
(4)Mode Actuator
Figure 9:

Instrument Panel Carrier, Cowl Side
Object Number: 747719 Size: MF
(1)Recirculation Actuator
Figure 10:

Lower Console
Object Number: 1551512 Size: MF
(1)Lower Console
(2)HVAC Control Module - Auxiliary
(3)Auxiliary Power Outlet - Console
(4)Console Mode Actuator - Auxiliary
(5)C309
(6)C307