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 MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 146 (ENGINE COOLING SYSTEM)
2008 Chevrolet HHR LT, 2.4 P, Automatic
Section 146 (Engine Cooling System)
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Section 146 (Engine Cooling System)
WARNING: This page is about a different car, the 2009 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- DTC P0480
- DTC P0480, P0691, or P0692 (2.0)
- Diagnostic Instructions (2.0)
- DTC Descriptors (2.0)
- Diagnostic Fault Information (2.0)
- Circuit/System Description (2.0)
- Conditions for Running the DTC (2.0)
- Conditions for Setting the DTC (2.0)
- Action Taken When the DTC Sets (2.0)
- Conditions for Clearing the DTC (2.0)
- Reference Information (2.0)
- Circuit/System Verification (2.0)
- Circuit/System Testing (2.0)
- Repair Procedures (2.0)
- Repair Verification (2.0)
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On (2.0)
- Cooling Fan Always On (2.2L or 2.4L)
- Cooling Fan Inoperative (2.0)
- Cooling Fan Inoperative (2.2 or 2.4)
- 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
- Cooling System Draining and Filling (Static Fill-LE5, L61)
- Cooling System Draining and Filling (Static Fill-LNF)
- Cooling System Draining and Filling (GE 47716 Fill)
- Coolant System Flushing
- Radiator Cleaning
- Coolant Recovery Reservoir Replacement
- Radiator Inlet Hose Replacement
- Radiator Outlet Hose Replacement (LNF)
- Radiator Outlet Hose Replacement (LE5, L61)
- Cooling Fan and Shroud Replacement (LNF)
- Cooling Fan and Shroud Replacement (LE5, L61)
- Turbocharger Coolant Feed Pipe Replacement
- Turbocharger Coolant Return Pipe Replacement (LNF)
- Engine Coolant Thermostat Housing Replacement (LE5, L61)
- Engine Coolant Thermostat Housing Replacement (LNF)
- Engine Coolant Thermostat Replacement (L61/LE5)
- Water Pump Replacement (LE5, L61)
- Water Pump Replacement (LNF)
- Radiator Drain Cock Replacement
- Engine Coolant Fan Shroud Replacement
- Radiator Replacement
- Radiator Support Bracket Replacement
- Radiator Support Replacement (LNF)
- Radiator Support Replacement (L61, LE5)
- Radiator Air Side Baffle and Deflector Replacement
- Radiator Air Upper Baffle and Deflector Replacement
- Coolant Heater Replacement (LE5, L61)
- Coolant Heater Replacement (LNF)
- Coolant Heater Cord Replacement (LNF)
- Coolant Heater Cord Replacement (LE5, L61)
- Description and Operation
RENDER: 1.0x
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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.