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 189 (ENGINE COOLING SYSTEM)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 189 (Engine Cooling System)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 189 (Engine Cooling System)
WARNING: This page is about a different car, the 2005 Saturn Vue. 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 Starting Point - Engine Cooling
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0936
- DTC P0217
- DTC P0480, P0481, P0691, P0692, P0693, P0694, or P1650 (L61)
- DTC P0480, P0481, P0691, P0692, P0693, P0694, or P1650 (L66)
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On (L61)
- Cooling Fan Always On (L66)
- Cooling Fan Inoperative (L61)
- Cooling Fan Inoperative (L66)
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Draining and Filling Cooling System
- Coolant System Flushing
- Surge Tank Replacement
- Surge Tank Hose/Pipe Replacement - Inlet (L61)
- Surge Tank Hose/Pipe Replacement - Outlet (L61)
- Radiator Hose Replacement - Inlet (L66)
- Radiator Hose Replacement - Inlet (L61)
- Radiator Hose Replacement - Outlet (L66)
- Radiator Hose Replacement - Outlet (L61)
- Throttle Body Heater Hose Replacement - Inlet
- Throttle Body Heater Hose Replacement - Outlet
- Cooling Fan Replacement - Electric (L66)
- Cooling Fan Motor Replacement - Electric (L66)
- Cooling Fan and Shroud Replacement (L61)
- Cooling Fan and Shroud Replacement (L66)
- Thermostat Replacement (L61)
- Thermostat Replacement (L66)
- Coolant Crossover Pipe Replacement
- Water Pump Replacement (L61)
- Water Pump Replacement (L66)
- Drain Cock Replacement
- Radiator Replacement (L61)
- Radiator Replacement (L66)
- Coolant Heater Replacement (2.2L - L61)
- Coolant Heater Replacement (L66)
- Coolant Heater Cord Replacement (L66)
- Coolant Heater Cord Replacement (2.2L - L61)
- 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.