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 MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 501 (ENGINE COOLING SYSTEM)
2006 Pontiac G6 GTP, 2D Coupe, Standard
Section 501 (Engine Cooling System)
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Section 501 (Engine Cooling System)
WARNING: This page is about a different car, the 2006 Saturn Vue. 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 Code Index
- Diagnostic Starting Point - Engine Cooling
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B0936
- DTC P0217
- DTC P0480 or P0481 (L61)
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (3.5L)
- 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 MIL/DTC
- Diagnostic Aids
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Engine Cooling
- Low Engine Coolant Indicator Always On
- Cooling Fan Always On (L61)
- Cooling Fan Always On (L66)
- Cooling Fan Inoperative (L61)
- Cooling Fan Inoperative (L66)
- 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
- Draining and Filling Cooling System (GE 47716 Fill)
- Draining and Filling Cooling System (Static Fill)
- Coolant System Flushing
- Surge Tank Replacement
- Surge Tank Hose/Pipe Replacement - Inlet (L61)
- Surge Tank Hose/Pipe Replacement - Outlet (L61)
- Radiator Hose Replacement - Inlet (L66)
- Radiator Hose Replacement - Inlet (L61)
- Radiator Hose Replacement - Outlet (L66)
- Radiator Hose Replacement - Outlet (L61)
- Throttle Body Heater Hose Replacement - Inlet
- Throttle Body Heater Hose Replacement - Outlet
- Cooling Fan Replacement - Electric (L66)
- Cooling Fan Motor Replacement - Electric (L66)
- Cooling Fan and Shroud Replacement (L61)
- Cooling Fan and Shroud Replacement (L66)
- Engine Coolant Thermostat Replacement (L61)
- Engine Coolant Thermostat Replacement (L66)
- Engine Coolant Crossover Pipe Replacement (3.5L (L66))
- Water Pump Replacement (2.2L (L61))
- Water Pump Replacement (3.5L (L66))
- Radiator Drain Cock Replacement
- Radiator Replacement (L61)
- Radiator Replacement (L66)
- Coolant Heater Replacement (2.2L (L61))
- Coolant Heater Replacement (L66)
- Coolant Heater Cord Replacement (L66)
- Coolant Heater Cord Replacement (3.5L (L61))
- 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.