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 652 (HEATING, VENTILATION, AND AIR CONDITIONING)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 652 (Heating, Ventilation, And Air Conditioning)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 652 (Heating, Ventilation, And Air Conditioning)
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 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 (Non-HP2)
- Air Conditioning (A/C) System Performance Test (LE5)
- Air Conditioning (A/C) System Performance Test (L61, LE5)
- Air Conditioning (A/C) System Performance Test (LNF)
- 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
- Air Conditioning Compressor Oil Diagnosis
- Noise Diagnosis - Air Conditioning (A/C) System
- Noise Diagnosis - HVAC Module
- Odor Diagnosis
- Repair Instructions
- Odor Correction
- Refrigerant Recovery and Recharging (Non HP2)
- Flushing
- Air Conditioning Compressor Oil Balancing
- Air Conditioning Compressor Replacement (L61, LE5)
- Air Conditioning Compressor Replacement (LNF)
- Compressor Clutch Assembly Replacement (LE5, L61)
- Compressor Clutch Assembly Replacement (LNF)
- Compressor Pressure Relief Valve Replacement
- Sealing Washer Replacement
- Compressor Hose Assembly Replacement (L61, LE5)
- Compressor Hose Assembly Replacement (LNF)
- Condenser Tube Replacement (RPOs L61, LE5)
- Condenser Tube Replacement (LNF)
- Air Conditioning Evaporator Hose Assembly Replacement (L61, LE5 - 1st Design)
- Air Conditioning Evaporator Hose Assembly Replacement (LNF)
- Air Conditioning Evaporator Thermal Expansion Valve Screen Replacement
- Suction Screen Installation
- Air Conditioning Refrigerant Service Valve Core Replacement
- Air Conditioning Evaporator Thermal Expansion Valve Replacement (1st Design)
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
- Air Conditioning Condenser Replacement
- Air Conditioning (A/C) Evaporator and Blower Module Assembly Replacement
- Heater Assembly Replacement
- HVAC Module Assembly Replacement (1st Design)
- Air Conditioning Evaporator Core Replacement
- Heater Inlet Hose Replacement (L61, LE5)
- Heater Inlet Hose Replacement (LNF)
- Heater Outlet Hose Replacement (L61, LE5)
- Heater Outlet Hose Replacement (LNF)
- Passenger Compartment Air Filter Replacement
- Blower Motor Resistor Replacement
- Blower Motor Replacement
- Side Window Air Outlet Replacement
- Instrument Panel Air Outlet Replacement
- Instrument Panel Outer Air Outlet Upper Duct Replacement - Left Side
- Instrument Panel Outer Air Outlet Upper Duct Replacement - Right Side
- Floor Air Outlet Duct Replacement - Center
- Center Air Outlet Duct Replacement
- Windshield Defroster Duct Replacement
- Floor Air Outlet Duct Replacement - Left Side
- Floor Air Outlet Duct Replacement - Right Side
- 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.