HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Accumulator Description
• ACR4 Procedures
• Air Conditioning (A/C) System Description
• Air Distribution System Description
• Condenser Description
• Evaporator Description
• Expansion (Orifice) Tube Description
• Handling Air Conditioning (A/C) Compressor
• Handling Air Conditioning Compressor Oil
• Handling of Refrigerant Lines and Fittings
• Handling Refrigerant R-134a
• Heater Core Description
• Heater System Description
• High Pressure Relief Valve Description
• HVAC Air Delivery/Temperature Control Circuit Description
• HVAC Blower Controls Circuit Description
• HVAC Compressor Controls Circuit Description
• Maintaining Chemical Stability
• O-Ring/Flat Washer Description
• Refrigerant Oil Distribution
• Refrigerant R-134a
• Refrigeration System Description
• Ventilation Description

All Visual Identification

• HVAC Connector End Views

Cleaning, Inspection, and Adjustment

• Compressor Leak Testing

Diagnostic Procedures

• Blower Motor Always On
• Blower Motor High Speed Inoperative
• Blower Motor Inoperative at Any Speed
• Blower Motor Inoperative Med-1
• Blower Motor Inoperative Med-2
• Blower Motor Inoperative Med-3
• Blower Motor Low Speed Inoperative
• Blower Motor Operates at High Speed Only
• Heat Excessive
• Heating Insufficient
• HVAC Air Delivery System Check
• HVAC Blower Controls System Check
• HVAC System Check
• Noise Diagnosis
• Temperature Actuator Inoperative
• Temperature Control Inoperative

Disassembly, Overhaul, Repair, and Assembly

• Air Conditioning Clutch Coil Installation
• Air Conditioning Clutch Coil Removal
• Clutch Rotor and Bearing Removal
• Clutch Rotor and/or Bearing Install
• Compressor Clutch Plate and Hub Assembly Removal
• Compressor Clutch Plate/Hub Assembly Install
• Compressor Control Valve Assembly Install
• Compressor Control Valve Assembly Removal
• Compressor Pressure Relief Valve Installation
• Compressor Pressure Relief Valve Removal
• Compressor Shaft Seal Install
• Compressor Shaft Seal Removal

Electrical/Electronic Schematic Diagrams

• HVAC Air Delivery/Temperature Control Schematics
• HVAC Blower Control Schematics
• HVAC Compressor Control Schematics
• HVAC Schematic Icons
• HVAC Schematic References

General Diagnostic Information

• Functional Check
• Leak Testing
• VDOT Air Conditioning (A/C) System Diagnosis

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers
• Refrigerant Oil Distribution Specifications
• System Capacities

Removal, Installation, and Replacement

• Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
• Air Conditioning Accumulator Replacement
• Air Conditioning Compressor Bracket Replacement
• Air Conditioning Compressor Hose Replacement
• Air Conditioning Compressor Replacement
• Air Conditioning Condenser Replacement
• Air Conditioning Evaporator Core Replacement
• Air Inlet Valve Replacement
• Blower Motor and Fan Replacement
• Blower Motor Resistor Replacement
• Blower Switch Replacement
• Compressor Relay Replacement
• Control Assembly Replacement
• Expansion (Orifice) Tube Replacement
• Floor Air Outlet Replacement
• Heater Core Replacement
• Heater Hoses Replacement
• HVAC Module Assembly Replacement
• O-Ring Replacement
• Odor Correction
• Refrigerant Recovery and Recharging
• Temperature Actuator Replacement
• Vacuum Hose Harness Replacement
• Vacuum Tank Replacement