GM Service Manual Online
For 1990-2009 cars only
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Chevrolet
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1998
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Chevy C Pickup - 2WD
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HVAC
🢒 HVAC Systems - Manual
HVAC
All Component Locator
HVAC Component Views
HVAC Components
All Description and Operation
Accumulator Description
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
Expansion (Orifice) Tube Description
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
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
Air Inlet Valve Actuator Inoperative
Auxiliary Blower Motor Always On
Auxiliary Blower Motor High Speed Inoperative
Auxiliary Blower Motor Inoperative at Any Speed
Auxiliary Blower Motor Low Speed Inoperative
Auxiliary Blower Motor Medium Speed Inoperative
Auxiliary Blower Motor Operates at High Speed Only
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 Low Speed Inoperative
Blower Motor Operates at High Speed Only
Defrosting Insufficient
Heating Insufficient
HVAC Air Delivery System Check
HVAC Blower Controls System Check
HVAC Compressor Controls System Check
Mode Actuator Inoperative
Noise Diagnosis
Temperature Actuator 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 Switches Install
Compressor Control Switches 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
Functional Check
HVAC Compressor Clutch Circuit Diagnosis
Leak Testing
Odor Diagnosis
Refrigerant System Checks
System Performance Test
Vacuum System
Mechanical Specifications
Compressor Specifications
Fastener Tightening Specifications
Fitting and Line Tightening Specifications
R-134a Metric Fitting Sizes
Other Specifications
GM SPO Group Numbers
System Capacities
Removal, Installation, and Replacement
Air Conditioning (A/C) Hose Replacement - Auxiliary
Air Conditioning Accumulator Replacement
Air Conditioning Compressor Hose Replacement
Air Conditioning Compressor Oil Level Check
Air Conditioning Compressor Replacement
Air Conditioning Condenser Replacement
Air Conditioning Evaporator Core Replacement
Air Conditioning Evaporator Thermal Expansion Valve Replacement
Air Distributor Duct Replacement
Auxiliary Air Conditioning (A/C) Control Assembly Replacement - Front
Auxiliary Air Conditioning Compressor and Condenser Hose Replacement
Auxiliary Air Conditioning Evaporator Replacement
Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement
Auxiliary Air Conditioning Evaporator Tube Replacement
Auxiliary Blower Motor and Fan Replacement
Auxiliary Blower Motor Relay Replacement
Auxiliary Blower Motor Resistor Replacement
Auxiliary Expansion (Orifice) Tube Replacement
Auxiliary Mode Valve Actuator Replacement
Blower Motor and Fan Replacement
Blower Motor Relay Replacement
Blower Motor Resistor Replacement
Blower Switch Replacement
Compressor Pressure Relief Valve Replacement
Compressor Sealing Washers Replacement
Condenser Tube Replacement
Control Assembly Replacement
Control Assembly Replacement - Auxiliary
Evaporator Tube Extension Replacement
Evaporator Tube Replacement
Expansion (Orifice) Tube Replacement
Heater Core Replacement
Heater Hoses Replacement
Heater Water Valve Replacement
Mode Valve Actuator Replacement
O-Ring Replacement - Dual
Refrigerant Recovery and Recharging
Temperature Actuator Replacement
Temperature Actuator Replacement - Auxiliary