Engine Cooling System
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- DTC P0480 or P0481
- 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 P1258
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis (Overheating)
- Thermostat Diagnosis (Slow to Heat)
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Cooling System Draining and Filling (LS4 GE 47716 Fill)
- Cooling System Draining and Filling (LS4 Static Fill)
- Cooling System Draining and Filling (L26 GE 47716 Fill)
- Cooling System Draining and Filling (L26 Static 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 (LS4)
- Engine Coolant Thermostat Housing Replacement (L26)
- Engine Coolant Thermostat Replacement (LS4)
- Engine Coolant Thermostat Replacement (L26)
- Coolant Air Bleed Pipe Assembly Replacement (LS4)
- Coolant Air Bleed Hose Replacement (LS4)
- Water Pump Replacement (LS4)
- Water Pump Replacement (L26)
- Coolant Pump Manifold Replacement (LS4)
- Radiator Drain Cock Replacement
- Fan Shroud Replacement (L26)
- Fan Shroud Replacement (LS4)
- Radiator Replacement (L26)
- Radiator Replacement (LS4)
- Radiator Air Lower Baffle and Deflector Replacement
- Radiator Air Upper Baffle and Deflector Replacement
- Coolant Heater Replacement (LS4)
- Coolant Heater Replacement (L26)
- Coolant Heater Cord Replacement (LS4)
- Coolant Heater Cord Replacement (L26)
- Description and Operation
- Special Tools and Equipment