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 MANUALSCHEVROLET2025TRAVERSE HIGH COUNTRY, FWDREPAIR AND DIAGNOSISENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)ENGINE COOLING SYSTEM
2025 Chevrolet Traverse High Country, FWD
Engine Cooling System
2025 Chevrolet Traverse High Country, FWDSECTION Engine Cooling System
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC P00B2
- Diagnostic Instructions
- DTC Descriptor
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Component Testing
- Repair Instructions
- DTC P00B3 - P00B5
- 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC P0494, P30EE, P30EF, U0632, or U1314 - 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
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1098, P23C4 - P23C6, P26BB, P2DE7, or U0617
- 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
- Additional Procedures
- DTC P1387, P13FC, P26C1, P29FA, P29FB, P2CF8, or U0618
- 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
- Additional Procedures
- DTC P13F6, P13F7, P29FC - P29FE, P2E66, or U00A1
- 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
- Additional Procedures
- DTC P26CE, P2B85, P2BA2, P2DE9, P2E82, P3071 - P3076, U0672, or U131B
- Symptoms - Engine Cooling
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Radiator Surge Tank Cap Testing
- Cooling System Leak Testing
- DTC P00B2
- Repair Instructions
- Engine Block Coolant Control Valve Position Learn
- Engine Coolant Bypass - Oil Heat Exchanger Valve Learn
- Engine Coolant Control Valve Learn
- Engine Coolant Pump Data Reset
- Hose Clamp Replacement Guidelines - Spring Type
- Cooling System Draining and Filling (GE 47716)
- Flushing
- Engine Radiator Cleaning
- Radiator Surge Tank Replacement
- Radiator Surge Tank Air Separator Replacement
- Charge Air Cooler Bracket Replacement
- Charge Air Cooler Coolant Hose Replacement
- Radiator Surge Tank Outlet Pipe Replacement
- Radiator Surge Tank Inlet Hose Replacement
- Radiator Surge Tank Outlet Hose Replacement
- Radiator Inlet Hose Replacement
- Auxiliary Radiator Inlet Hose Replacement
- Radiator Outlet Hose Replacement
- Auxiliary Radiator Outlet Hose Replacement
- Engine Coolant Flow Control Valve Replacement
- Radiator Upper Bracket Replacement
- Engine Oil Cooler Replacement
- Engine Oil Cooler Coolant Inlet Hose Replacement
- Engine Coolant Fan Replacement
- Turbocharger Coolant Feed and Return Pipe Replacement (FWD)
- Turbocharger Coolant Feed and Return Pipe Replacement (F48)
- Water Pump Inlet Hose Replacement
- Heater Inlet Pipe Replacement
- Heater Outlet Pipe Replacement
- Water Pump Module Replacement
- Charge Air Cooler Coolant Pump Replacement
- Charge Air Cooler Coolant Pump Hose Replacement
- Engine Coolant Temperature Sensor Replacement (Engine Coolant Flow Control Valve)
- Engine Coolant Temperature Sensor Replacement (Auxiliary Radiator)
- Engine Coolant Temperature Sensor Replacement (Engine Radiator)
- Radiator Drain Cock Replacement
- Engine Coolant Fan Module Radiator Assembly Removal and Installation
- Engine Radiator Replacement
- Engine Auxiliary Radiator Replacement
- Radiator Upper Insulator Replacement
- Radiator Lower Insulator Replacement
- Radiator Air Front Upper Baffle Replacement
- Radiator Air Front Lower Baffle Replacement
- Radiator Air Upper Baffle Replacement
- Engine Coolant Heater Replacement
- Engine Coolant Heater Wiring Extension Harness Replacement
- Engine Coolant Heater Wiring Harness Replacement
- Engine Coolant Flow Control Valve Cleaning and Inspection
- Engine Oil Cooler Cleaning and Inspection
- Water Pump Module Cleaning and Inspection
- 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.