HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Accumulator Description
• Actuator Description
• Air Conditioning (A/C) Refrigerant Pressure Sensor Description
• Air Conditioning (A/C) System Description
• Air Distribution System Description
• Ambient Air Temperature Sensor Description
• Blower Motor Description
• Compressor Description
• Condenser Description
• Control Assembly Description
• Dual Zone Air Conditioning (A/C) System 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
• HVAC Blower Controls Circuit Description
• HVAC Compressor Controls Circuit Description
• HVAC Temperature Controls Circuit Description
• Inside Air Temperature Sensor Description
• Maintaining Chemical Stability
• O-Ring/Flat Washer Description
• Odor Diagnosis
• Operating Modes
• Programmer Description
• Purge Mode Description
• Refrigerant Oil Distribution
• Refrigerant R-134a
• Refrigeration System Description
• Relays and Sensors Description
• Sun Load Temperature Sensor Description

All Special Tools and Equipment

• Special Tools

All Visual Identification

• HVAC Connector End Views

Cleaning, Inspection, and Adjustment

• Compressor Leak Testing

Diagnostic Procedures

• Air Delivery and Temperature Control Check
• Blower Has High Speed Only
• Blower Motor Inoperative at Any Speed
• Heating Insufficient
• HVAC Compressor Clutch Does Not Engage
• Noise Diagnosis

Diagnostic Trouble Codes

• DTC B1008 Passenger Solar Sensor Open or Shorted
• DTC B1010 Ambient Temp Sensor Open or Shorted
• DTC B1013 Inside Air Temp Sensor Open or Shorted
• DTC B1015 Driver Solar Sensor Open or Shorted
• DTC B1034 Pass Temp Cntrl to Programmer Data Loss
• DTC B1035 Cntrl Assy to Programmer Loss of E and C
• DTC B1035 Control Assembly to Programmer Data Loss
• DTC B1036 Pass Temp Cntrl Feedback Out of Range
• DTC B1038 Loss of Serial Data (UART)
• DTC B1052 Programmer Loss of Keep Alive Memory
• DTC B1340 Air Mix Door #1 Feedback Out of Range
• DTC B1341 Air Mix Door #2 Feedback Out of Range
• DTC B1349 Def/Heater Door Out of Range
• DTC B1350 A/C Door Feedback Out of Range
• DTC B1351 Air Inlet Door Feedback Out of Range
• DTC Table

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 Switches Install
• Compressor Control Switches Removal
• 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

• CCOT Air Conditioning (A/C) System Diagnosis
• Cooling Insufficient - Air Conditioning (A/C) Inoperative
• Diagnostic System Check
• Fault Detection
• Functional Check
• Intermittents and Poor Connections
• Leak Testing
• Scan Tool Diagnostics
• Self-Diagnostics
• Sensor Resistance Table
• System Performance Test
• 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 Actuator Replacement
• Air Mix Actuator Replacement - Driver
• Air Mix Actuator Replacement - Passenger
• Ambient Temperature Sensor Replacement
• Auxiliary Air Distributor Duct Replacement
• Blower Motor and Fan Replacement
• Blower Motor Control Module Replacement
• Control Assembly Replacement
• Control Assembly Replacement - Passenger
• Defroster Valve Actuator Replacement
• Evaporator Tube Replacement
• Expansion (Orifice) Tube Replacement
• Heater Core Replacement
• HVAC Module Assembly Replacement
• Inside Air Temperature Sensor Replacement
• Mode Valve Actuator Replacement
• O-Ring Replacement
• Odor Correction
• Programmer Replacement
• Refrigerant Recovery and Recharging
• Service Ports Replacement
• Sun Load Temperature Sensor Replacement
• Temperature Sensor Replacement - High Side
• Temperature Sensor Replacement - Low Side