HVAC Systems - Manual for Chevrolet Chevy P42 Commercial Chassis 1998

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Air Conditioning (A/C) System Description
• Air Conditioning Evaporator Thermal Expansion Valve Description
• Air Distribution System Description
• Compressor Description
• Condenser Description
• Control Assembly Description
• Evaporator Description
• Handling Air Conditioning Compressor Oil
• Handling of Refrigerant Lines and Fittings
• Handling Refrigerant R-134a
• Heater Core Description
• Heater System Description
• Maintaining Chemical Stability
• Odor Description
• Receiver Dehydrator Description
• Refrigerant R-134a
• Refrigeration System Description
• Relays and Sensors Description

All Special Tools and Equipment

• Special Tools

All Visual Identification

• HVAC Connector End Views

Cleaning, Inspection, and Adjustment

• Compressor Leak Testing

Diagnostic Procedures

• HVAC Compressor Clutch Does Not Disengage
• HVAC Compressor Clutch Does Not Engage

Disassembly, Overhaul, Repair, and Assembly

• Clutch Rotor and/or Bearing
• Compressor Clutch Coil and/or Pulley Rim
• Compressor Clutch Plate and Hub Assembly
• Compressor Control Switches
• Compressor Pressure Relief Valve
• Compressor Shaft Seal

Electrical/Electronic Schematic Diagrams

• HVAC Compressor Control Schematics
• HVAC Schematic Icons
• HVAC Schematic References

General Diagnostic Information

• Leak Testing
• Odor Diagnosis
• Refrigerant System Checks

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• Refrigerant Oil Distribution Specifications

Removal, Installation, and Replacement

• Air Conditioning Compressor Hose Replacement
• Air Conditioning Compressor Replacement
• Air Conditioning Condenser Replacement
• Compressor Relay Replacement
• Compressor Sealing Washers Replacement
• Condenser Fan Replacement
• Evaporator Tube Replacement
• Heater Hoses Replacement
• Odor Correction
• Receiver and Dehydrator Replacement
• Receiver Dehydrator and Evaporator Hose Assembly
• Refrigerant Recovery and Recharging