HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Air Distribution System Description
• Blower Motor Description
• Blower Motor Resistor Description
• Control Assembly Description
• HVAC Blower Controls Circuit Description
• Vacuum Hose Harness Description

All Visual Identification

• HVAC Connector End Views

Cleaning, Inspection, and Adjustment

• Temperature Control Cable Adjustment

Diagnostic Procedures

• Air Delivery Improper
• Blower Motor Always On
• Blower Motor High Speed Inoperative
• Blower Motor Inoperative at Any Speed
• Blower Motor Inoperative in One Speed Only
• Blower Motor Operates at High Speed Only
• Diagnostic Starting Point
• Diagnostic System Check
• HVAC Compressor Clutch Does Not Disengage
• HVAC Compressor Clutch Does Not Engage
• Symptoms

Electrical/Electronic Schematic Diagrams

• HVAC Blower Control Schematics
• HVAC Compressor Control Schematics
• HVAC Schematic Icons

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Air Distributor Duct Replacement
• Blower Motor and Fan Replacement
• Blower Motor Resistor Replacement
• Control Assembly Replacement
• Defogger Air Outlet Replacement - Right Side
• Defroster Valve Actuator Replacement
• Floor Air Outlet Replacement
• Heater and Air Conditioning Control Wiring Harness Replacement
• HVAC Control Blower Switch Replacement
• HVAC Control Lamp Bulb Replacement
• HVAC Control Selector Switch Replacement
• HVAC Control Vacuum Harness Replacement
• HVAC Control Vacuum Valve Replacement
• Inside Air Valve Actuator Replacement
• Mode Valve Actuator Replacement
• Side Window Air Outlet Replacement
• Temperature Control Cable Replacement
• Vacuum Actuator Replacement
• Vacuum Hose Harness Replacement
• Vacuum Tank Replacement