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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 69 (ENGINE COOLING SYSTEM)
2008 Chevrolet HHR LT, 2.4 P, Automatic
Section 69 (Engine Cooling System)
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Section 69 (Engine Cooling System)
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. 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 or P0481 (2.0L)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0480 or P0481 (2.2L and 2.4L)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On (2.0L)
- Cooling Fan Always On (2.2L and 2.4L)
- Cooling Fan Inoperative (2.0L)
- Cooling Fan Inoperative (2.2L and 2.4L)
- 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 (GE 47716 Fill)
- Cooling System Draining and Filling (Static Fill LE5, L61)
- Cooling System Draining and Filling (Static Fill LNF)
- Coolant System Flushing
- Radiator Surge Tank Replacement
- Radiator Surge Tank Inlet Hose/Pipe Replacement (LE5, L61)
- Radiator Surge Tank Inlet Hose/Pipe Replacement (LNF)
- Radiator Surge Tank Outlet Hose/Pipe Replacement (LE5, L61)
- Radiator Surge Tank Outlet Hose/Pipe Replacement (LNF)
- Radiator Inlet Hose Replacement (LE5, L61)
- Radiator Inlet Hose Replacement (LNF)
- Radiator Outlet Hose Replacement (LE5, L61)
- Radiator Outlet Hose Replacement (LNF)
- Engine Cooling Fan Replacement (LE5, L61)
- Engine Cooling Fan Replacement (LNF)
- Engine Coolant Fan Motor Replacement (LE5, L61)
- Engine Coolant Fan Motor Replacement (LNF)
- Cooling Fan and Shroud Replacement
- Turbocharger Coolant Feed Pipe Replacement
- Turbocharger Coolant Return Pipe Replacement (LNF)
- Engine Coolant Thermostat Housing Replacement (L61)
- Engine Coolant Thermostat Housing Replacement (LE5)
- Engine Coolant Thermostat Housing Replacement (LNF)
- Engine Coolant Thermostat Replacement (LE5)
- Engine Coolant Thermostat Replacement (L61)
- Engine Coolant Thermostat Replacement (LNF)
- Water Pump Replacement (L61/LE5)
- Water Pump Replacement (LNF)
- Charge Air Cooler Cleaning
- Radiator Drain Cock Replacement
- Radiator Replacement
- Radiator Air Side Baffle and Deflector Replacement
- Radiator Air Upper Baffle and Deflector Replacement
- Coolant Heater Replacement
- Coolant Heater Cord Replacement
- Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.