GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Component Views
Figure 1:

Lower Right of Engine (L36 Shown, LA1 Similar)
Object Number: 741263 Size: LF
(1)A/C Compressor
(2)A/C Compressor Clutch Diode
(3)A/C Compressor Clutch Connector
Figure 2:

Left Center of Engine Compartment
Object Number: 732595 Size: LF
(1)C101
(2)G151
(3)A/C Refrigerant Pressure Sensor
(4)C113
(5)Electronic Brake Control Module (EBCM)
(6)Cruise Control Module (CCM)
Figure 3:

Behind Instrument Panel (CJ3)
Object Number: 571282 Size: LF
(1)Air Temperature Actuator-Right
(2)Blower Motor
(3)Blower Motor Resistor Assembly
(4)P100
(5)HVAC Module
(6)Air Temperature Actuator-Left
(7)Mode Actuator
Figure 4:

Lower Center of Instrument Panel
Object Number: 498308 Size: LF
(1)HVAC Control Module
(2)HVAC Control Module Connector C1
(3)HVAC Control Module Connector C2
(4)Vacuum Connector
(5)Round Vacuum Connector