GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Optra
🢒
HVAC
🢒 Heating, Ventilation and Air Conditioning
HVAC
All Special Tools and Equipment
Special Tools
Cleaning, Inspection, and Adjustment
Compressor Leak Testing
Diagnostic Procedures
Air Conditioning (A/C) System Performance Test
Diagnostic Starting Point - Heating, Ventilation and Air Conditioning
Noise Diagnosis - Blower Motor
Disassembly, Overhaul, Repair, and Assembly
Air Conditioning Clutch Coil Removal
Clutch Rotor and Bearing Removal
Clutch Rotor and/or Bearing Install
Compressor Clutch Plate and Hub Assembly Removal
Compressor Control Valve Assembly Install
Compressor Control Valve Assembly Removal
General Diagnostic Information
Handling of Refrigerant Lines and Fittings
HVAC Preliminary Checks
Leak Testing
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Heater Temperature Specifications
Refrigerant System Capacities
Removal, Installation, and Replacement
Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
Air Conditioning Accumulator Replacement
Air Conditioning Compressor Rear Head, Gasket, Valve Plate, and O-Ring Replacement
Air Conditioning Compressor Replacement
Air Conditioning Compressor Shaft Seal Replacement
Air Conditioning Condenser Replacement
Air Conditioning Evaporator Core Replacement
Air Conditioning Evaporator Thermal Expansion Valve Replacement
Blower Motor Relay Replacement
Blower Motor Replacement
Blower Motor Resistor Replacement
Compressor Relay Replacement
Cylinder to Front Head O-Ring Replacement
Discharge Hose Replacement
Heater Core Replacement
Heater Hose Assembly Replacement
HVAC Module Assembly Replacement
O-Ring Replacement
Passenger Air Outlet Replacement
Passenger Compartment Air Filter Replacement
Refrigerant Recovery and Recharging
Refrigerant Tubes Replacement
Suction Hose Replacement