Section 140 (Engine Cooling System)
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 (5.3 (LS4))
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (3.8L (L26))
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (3.6L LY7)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P1258 (L26)
- DTC P1258 (Ly7)
- DTC P1258 (LS4)
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative (3.8L (L26))
- Cooling Fan Inoperative (3.6L LY7)
- Cooling Fan Inoperative (w/LS4)
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis (3.6L (LY7))
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature (3.6L (LY7))
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Cooling System Draining and Filling (L26, LY7 GE 47716 Fill)
- Cooling System Draining and Filling (L26 Static Fill)
- Cooling System Draining and Filling (LY7 Static Fill)
- Cooling System Draining and Filling (LS4 GE47716 Fill)
- Cooling System Draining and Filling (LS4 Static Fill)
- Flushing
- Radiator Cleaning
- Coolant Recovery Reservoir Replacement (L27, LY7)
- Coolant Recovery Reservoir Replacement (LS4)
- Radiator Inlet Hose Replacement (L26)
- Radiator Inlet Hose Replacement (LY7)
- Radiator Inlet Hose Replacement (LS4)
- Radiator Outlet Hose Replacement (L26)
- Radiator Outlet Hose Replacement (LY7)
- Radiator Outlet Hose Replacement (LS4)
- Radiator Outlet Pipe Replacement (LY7)
- Throttle Body Heater Inlet Hose/Pipe Replacement
- Engine Coolant Fan Motor Replacement (L26)
- Engine Coolant Fan Motor Replacement (LY7)
- Engine Coolant Fan Motor Replacement (LS4)
- Engine Coolant Thermostat Housing Replacement (LY7)
- Engine Coolant Thermostat Housing Replacement (RPOs L26/L32)
- Engine Coolant Thermostat Housing Replacement (LS4)
- Engine Coolant Thermostat Replacement (LY7)
- Engine Coolant Thermostat Replacement (RPOs L26/L32)
- Engine Coolant Thermostat Replacement (LS4)
- Coolant Air Bleed Pipe Assembly Replacement
- Coolant Air Bleed Hose Replacement (LS4)
- Water Pump Replacement (LY7)
- Water Pump Replacement (RPOs L26/L32)
- Water Pump Replacement (LS4)
- Coolant Pump Manifold Replacement
- Radiator Drain Cock Replacement
- Fan Shroud Replacement (LY7)
- Fan Shroud Replacement (L26)
- Fan Shroud Replacement (LS4)
- Radiator Replacement (L26, LY7)
- Radiator Replacement (LS4)
- Radiator Air Lower Baffle and Deflector Replacement
- Radiator Air Side Baffle and Deflector Replacement
- Radiator Air Upper Baffle and Deflector Replacement
- Coolant Heater Replacement (3.8L)
- Coolant Heater Replacement (LY7)
- Coolant Heater Replacement (LS4)
- Coolant Heater Cord Replacement (LY7)
- Coolant Heater Cord Replacement (3.8L)
- Coolant Heater Cord Replacement (LS4)
- Description and Operation
- Special Tools and Equipment