Engine Cooling System
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- DTC P0480 or P0481 (3.8 - L26)
- Diagnostic Instructions (3.8 - L26)
- DTC Descriptors (3.8 - L26)
- Diagnostic Fault Information (3.8 - L26)
- Circuit/System Description (3.8 - L26)
- Conditions for Running the DTC (3.8 - L26)
- Conditions for Setting the DTC (3.8 - L26)
- Action Taken When the DTC Sets (3.8 - L26)
- Conditions for Clearing the MIL/DTC (3.8 - L26)
- Reference Information (3.8 - L26)
- Circuit/System Verification (3.8 - L26)
- Circuit/System Testing (3.8 - L26)
- Repair Procedures (3.8 - L26)
- DTC P0480 or P0481 (5.3 - LS4)
- Diagnostic Instructions (5.3 - LS4)
- DTC Descriptors (5.3 - LS4)
- Diagnostic Fault Information (5.3 - LS4)
- Circuit/System Description (5.3 - LS4)
- Conditions for Running the DTC (5.3 - LS4)
- Conditions for Setting the DTC (5.3 - LS4)
- Action Taken When the DTC Sets (5.3 - LS4)
- Conditions for Clearing the MIL/DTC (5.3 - LS4)
- Reference Information (5.3 - LS4)
- Circuit/System Verification (5.3 - LS4)
- Circuit/System Testing (5.3 - LS4)
- Repair Procedures (5.3 - LS4)
- DTC P1258 (L26)
- Diagnostic Instructions (L26)
- DTC Descriptor (L26)
- Circuit/System Description (L26)
- Conditions for Running the DTC (L26)
- Conditions for Setting the DTC (L26)
- Action Taken When the DTC Sets (L26)
- Conditions for Clearing the DTC (L26)
- Reference Information (L26)
- Circuit/System Verification (L26)
- Circuit/System Testing (L26)
- Repair Procedures (L26)
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative (3.8L (L26))
- 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 Static Fill)
- Cooling System Draining and Filling (LS4 Static Fill)
- Cooling System Draining and Filling (L26 GE 47716 Fill)
- Cooling System Draining and Filling (LS4 GE 47716 Fill)
- Flushing
- Radiator Cleaning
- Coolant Recovery Reservoir Replacement (L26)
- Coolant Recovery Reservoir Replacement (LS4)
- Radiator Inlet Hose Replacement (L26)
- Radiator Inlet Hose Replacement (LS4)
- Radiator Outlet Hose Replacement (L26)
- Radiator Outlet Hose Replacement (LS4)
- Engine Coolant Fan Motor Replacement (L26)
- Engine Coolant Fan Motor Replacement (LS4)
- Engine Coolant Thermostat Housing Replacement (RPOs L26/L32)
- Engine Coolant Thermostat Housing Replacement (LS4)
- Engine Coolant Thermostat Replacement (RPOs L26/L32)
- Engine Coolant Thermostat Replacement (LS4)
- Coolant Air Bleed Pipe Assembly Replacement
- Engine Coolant Air Bleed Hose Replacement (LS4)
- Water Pump Replacement (RPOs L26/L32)
- Water Pump Replacement (LS4)
- Coolant Pump Manifold Replacement
- Radiator Drain Cock Replacement
- Engine Coolant Fan Shroud Replacement (L26)
- Engine Coolant Fan Shroud Replacement (LS4)
- Radiator Replacement (L26)
- 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 (3.5L)
- Coolant Heater Replacement (LS4)
- Coolant Heater Cord Replacement (3.8L)
- Coolant Heater Cord Replacement (LS4)
- Description and Operation