GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2002
🢒
Sonoma Pickup - 4WD
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HVAC
🢒 HVAC Systems - Automatic
HVAC
All Component Locator
HVAC Component Views
All Description and Operation
Air Delivery Description and Operation
Air Temperature Description and Operation
All Special Tools and Equipment
Special Tools
All Visual Identification
HVAC Connector End Views
Diagnostic Procedures
Air Delivery Improper
Air Recirculation Malfunction
Blower Motor Always On
Blower Motor Inoperative
Blower Motor Malfunction
Diagnostic System Check - HVAC Systems - Automatic
HVAC Compressor Clutch Does Not Disengage
HVAC Compressor Clutch Does Not Engage
Symptoms - HVAC Systems - Automatic
Too Cold in Vehicle
Too Hot in Vehicle
Vacuum Control System Diagnostic
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) List
DTC B0160
DTC B0161
DTC B0165
DTC B0166
DTC B0175
DTC B0176
DTC B0180
DTC B0181
DTC B0185
DTC B0186
DTC B0408
DTC B0415
DTC B0416
Electrical/Electronic Schematic Diagrams
HVAC Schematics
Electrical/Electronic Specifications
Sensor Resistance Table
Gas, Vacuum and Fluids Schematics and Diagrams
HVAC Vacuum Schematics
General Diagnostic Information
Actuator Recalibration
Scan Tool Data Definitions
Scan Tool Data List
Scan Tool Output Controls
Mechanical Specifications
Fastener Tightening Specifications
Removal, Installation, and Replacement
Air Inlet Valve Actuator Replacement
Ambient Air Temperature Sensor Replacement
Blower Motor Control Processor Replacement
Defroster Valve Actuator Replacement
Duct Air Temperature Sensor Replacement - Lower
Duct Air Temperature Sensor Replacement - Upper
HVAC Control Module Replacement
Inside Air Temperature Sensor Replacement
Mode Valve Actuator Replacement
Sun Load Temperature Sensor Replacement
Temperature Valve Actuator Replacement
Vacuum Control Assembly Replacement
Vacuum Tank Replacement