HVAC Component Views

Fig 1: A/C Low Pressure Switch and A/C Accumulator

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Auxiliary Battery Relay
2	A/C Accumulator
3	A/C Low Pressure Switch
4	Inner Wheel Well
5	Coolant Level Switch Connector
6	Mass Air Flow (MAF) Sensor
7	Air Cleaner Assembly
8	Engine Coolant Recovery Reservoir
9	Auxiliary Battery Relay Electrical Connector

Fig 2: A/C Compressor and Hoses (4.3L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	A/C Refrigerant Pressure Sensor
2	A/C Compressor Clutch
3	Engine

Fig 3: A/C Compressor and Hoses (4.8L, 5.3L, 6.0L & 8.1L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine
2	A/C Compressor Clutch
3	A/C Refrigerant Pressure Sensor

Fig 4: A/C Compressor and Hoses (Diesel)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	A/C Refrigerant Pressure Sensor
2	A/C Compressor Clutch

Fig 5: HVAC Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Instrument Panel
2	HVAC Control Module

Fig 6: HVAC Module Assembly - Top

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mode Door
2	Recirculation Actuator
3	Recirculation door
4	Air Temperature Actuator - Right
5	HVAC Module Assembly
6	Mode Actuator

Fig 7: HVAC Module Assembly - Bottom

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Air Temperature Actuator - Left
2	Blower Motor Resistor Assembly
3	Blower Motor