Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 567 (HEATING, VENTILATION, AND AIR CONDITIONING)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 567 (Heating, Ventilation, And Air Conditioning)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 567 (Heating, Ventilation, And Air Conditioning)
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Heating, Ventilation and Air Conditioning
- Leak Testing
- Air Conditioning (A/C) System Performance Test (RPO LE5)
- Air Conditioning (A/C) System Performance Test (RPO LSJ)
- Air Conditioning (A/C) System Performance Test (RPOs L61, LE5)
- Air Conditioning (A/C) Diagnostics - Pressure Zone A
- Air Conditioning (A/C) Diagnostics - Pressure Zone B
- Air Conditioning (A/C) Diagnostics - Pressure Zone C
- Air Conditioning (A/C) Diagnostics - Pressure Zone D
- Heating Performance Diagnostic
- Defrosting Insufficient
- Noise Diagnosis - Blower Motor
- Noise Diagnosis - Air Conditioning (A/C) System
- Noise Diagnosis - HVAC Module
- Odor Diagnosis
- Repair Instructions
- Odor Correction
- Refrigerant Recovery and Recharging
- Flushing
- Compressor Oil Balancing
- Compressor Replacement (RPO LSJ)
- Compressor Replacement (RPOs L61, LE5)
- Compressor Clutch Assembly Replacement
- Compressor Pressure Relief Valve Replacement
- Sealing Washer Replacement
- Compressor Hose Assembly Replacement (RPO LSJ)
- Compressor Hose Assembly Replacement (RPOs L61, LE5)
- Condenser Tube Replacement (RPO LSJ)
- Condenser Tube Replacement (RPOs L61, LE5)
- Evaporator Hose Assembly Replacement (RPO LSJ)
- Evaporator Hose Assembly Replacement (RPOs L61, LE5)
- Air Conditioning (A/C) Refrigerant Filter Replacement
- Suction Screen Installation
- Air Conditioning Refrigerant Service Valve Core Replacement
- Thermal Expansion Valve Replacement
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
- Condenser Replacement (RPO LSJ)
- Condenser Replacement (RPOs L61, 2.4L)
- Air Conditioning (A/C) Evaporator and Blower Module Assembly Replacement
- Heater Assembly Replacement
- HVAC Module Assembly Replacement
- Evaporator Core Replacement
- Heater Inlet Hose Replacement (RPO LSJ)
- Heater Inlet Hose Replacement (RPOs L61, LE5)
- Heater Hose Replacement - Outlet (RPO LSJ)
- Heater Hose Replacement - Outlet (RPOs L61, LE5)
- Passenger Compartment Air Filter Replacement
- Blower Motor Resistor Replacement
- Blower Motor Replacement
- Air Outlet Replacement - Side Window
- Air Outlet Replacement - Instrument Panel
- Air Outlet Duct Replacement - Instrument Panel (I/P) - Upper Left
- Air Outlet Duct Replacement - Instrument Panel (I/P) - Upper Right
- Air Outlet Duct Replacement - Center Floor
- Air Outlet Duct Replacement - Center
- Defroster Duct Replacement - Windshield
- Floor Air Outlet Duct Replacement - Left Side
- Air Outlet Duct Replacement - Floor, RH
- Defroster Grille Replacement
- Heater Core Cover Replacement
- Heater Core Replacement
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.