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 623 (ENGINE COOLING SYSTEM)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 623 (Engine Cooling System)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 623 (Engine Cooling System)
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
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC P0480 or P0481 (2.0L)
- DTC P0480 or P0481 (2.2L and 2.4L)
- DTC P1258
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On (2.0L)
- Cooling Fan Always On (2.2L and 2.4L)
- Cooling Fan Inoperative (2.0L)
- Cooling Fan Inoperative (2.2L and 2.4L)
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing (2.0L (LSJ))
- Coolant Leak Testing (2.2L (L61), 2.4L (LE5))
- Repair Instructions
- Draining and Filling Cooling System (2.0L (LSJ))
- Draining and Filling Cooling System (2.2L (L61), 2.4L (LE5))
- Draining and Filling Cooling System (GE 47716 Fill)
- Draining and Filling Cooling System - Charge Air Cooling System
- Coolant System Flushing
- Surge Tank Replacement
- Coolant Recovery Reservoir Replacement - Charge Air Cooler
- Surge Tank Hose/Pipe Replacement - Inlet
- Surge Tank Hose/Pipe Replacement - Outlet
- Radiator Inlet Hose Replacement (2.0L (LSJ))
- Radiator Inlet Hose Replacement (2.2L (L61), 2.4L (LE5))
- Radiator Outlet Hose Replacement (2.0L (LSJ))
- Radiator Outlet Hose Replacement (2.2L (L61), 2.4L (LE5))
- Charge Air Cooler Radiator Hose Replacement - Inlet
- Charge Air Cooler Hose Replacement - Outlet
- Auxiliary Water Pump Inlet Hose Replacement
- Auxiliary Water Pump Outlet Hose Replacement
- Cooling Fan and Shroud Replacement (2.0L (LSJ))
- Cooling Fan and Shroud Replacement (2.2L (L61), 2.4L (LE5))
- Engine Coolant Thermostat Housing Replacement (RPO L61)
- Engine Coolant Thermostat Housing Replacement (RPO LE5)
- Engine Coolant Thermostat Housing Replacement (RPO LSJ)
- Thermostat Replacement (RPO L61)
- Thermostat Replacement (RPO LE5)
- Thermostat Replacement (RPO LSJ)
- Water Pump Replacement
- Coolant Pump Replacement - Charge Air Cooler
- Radiator Drain Cock Replacement
- Fan Shroud Replacement
- Radiator Replacement
- Radiator Replacement - Charge Air Cooler
- Radiator Air Baffle and Deflector Replacement - Side
- Radiator Air Upper Baffle and Deflector Replacement
- Coolant Heater Replacement
- Coolant Heater Cord Replacement
- Description and Operation
- 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.