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 MANUALSCHEVROLET2025EQUINOX ACTIV, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 10 (ENGINE HEATING SYSTEM AND ENGINE COOLING SYSTEM)
2025 Chevrolet Equinox ACTIV, 4WD
Section 10 (Engine Heating System And Engine Cooling System)
2025 Chevrolet Equinox ACTIV, 4WDSECTION Section 10 (Engine Heating System And Engine Cooling System)
WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC P0494, P30EE, P30EF, or U0632 - Cooling Fan Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P2600-P2603
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Engine Cooling
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Cooling System Leak Testing
- DTC P0494, P30EE, P30EF, or U0632 - Cooling Fan Malfunction
- Repair Instructions
- Hose Clamp Replacement Guidelines - Spring Type
- Cooling System Draining and Filling (Static)
- Flushing
- Engine Radiator Cleaning
- Radiator Surge Tank Replacement
- Radiator Inlet Hose Replacement
- Radiator Outlet Hose Replacement
- Radiator Sleeve Replacement - Upper (Left)
- Radiator Sleeve Replacement - Upper (Right)
- Radiator Sleeve Replacement - Lower (Left)
- Radiator Sleeve Replacement - Lower (Right)
- Engine Coolant Fan Wiring Harness Replacement
- Radiator Upper Bracket Replacement - Left Side
- Radiator Upper Bracket Replacement - Right Side
- Engine Oil Cooler Replacement
- Engine Coolant Fan Replacement
- Turbocharger Coolant Feed Pipe Replacement
- Turbocharger Coolant Return Pipe Replacement
- Thermostat Bypass Hose Replacement
- Engine Coolant Thermostat Housing Replacement
- Engine Coolant Air Bleed Hose Replacement
- Water Outlet Replacement
- Thermostat Bypass Pipe Replacement
- Water Pump Replacement
- Water Pump Housing Replacement
- Auxiliary Water Pump Replacement
- Radiator Drain Cock Replacement
- Radiator Replacement
- Radiator Lower Insulator Replacement
- Radiator Air Lower Baffle Replacement
- Radiator Air Upper Baffle Replacement
- Coolant Heater Replacement
- Coolant Heater Cord Replacement
- Engine Coolant Heater Wiring Extension Harness 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.