HVAC Component Views

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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 and Clutch Assembly
3	Engine

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

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine
2	A/C Compressor and Clutch Assembly
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 and Clutch Assembly

Fig 5: Air Temperature Sensors - Upper Left and Right

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Instrument Panel
2	Air Temperature Sensor Connector - Upper Right
3	Air Temperature Sensor Connector - Upper Left
4	Air Temperature Sensor - Upper Left
5	Air Temperature Sensor - Upper Right

Fig 6: Air Temperature Sensor - Lower Left

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mode Actuator
2	HVAC Module Assembly
3	Lower Left Air Duct
4	Air Temperature Sensor - Lower Left

Fig 7: Air Temperature Sensor - Lower Right

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	HVAC Module Assembly
2	Air Temperature Actuator - Left
3	Air Temperature Sensor - Lower Right

Fig 8: Ambient Air Temperature Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Radiator Support
2	Forward Lamp Harness Connector
3	Ambient Air Temperature Sensor
4	Front Bumper Filler

Fig 9: HVAC Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Instrument Panel
2	HVAC Control Module

Fig 10: 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 11: HVAC Module Assembly - Bottom

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Air Temperature Actuator - Left
2	Blower Motor Control Processor
3	Blower Motor
4	Air Temperature Sensor Connector - Lower Right

Fig 12: Sunload Sensor Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Instrument Panel Bracket
2	Sunload Sensor Harness
3	Sunload Sensor Connector
4	Sunload Sensor Assembly
5	Instrument Panel