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 41 (ENGINE COOLING SYSTEM)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 41 (Engine Cooling System)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 41 (Engine Cooling System)
WARNING: This page is about a different car, the 2005 Saturn L300. 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 Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC Table
- DTC B0936: Coolant Level Sensor Circuit
- DTC P0480 or P0481: Cooling Fan Relay 1 Or 2 Control Circuit
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On
- Cooling Fan Inoperative
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- 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
- Radiator Hose Replacement - Inlet (L81)
- Radiator Hose Replacement - Outlet (L81)
- Cooling Fan Replacement - Electric (L81)
- Cooling Fan Replacement - Electric (Pusher Fan)
- Cooling Fan Control Module Replacement
- Thermostat Housing Replacement
- Thermostat Replacement
- Coolant Air Bleed Hose Replacement (L81)
- Water Pump Replacement (L81)
- Radiator Replacement (L81)
- 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.