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 P0480, P0481, or P0482 (Hybrid)
- 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 (LFA)
- DTC P1258 (w/o LFA)
- Symptoms - Engine Cooling
- Cooling Fan Always On (w/LFA)
- Cooling Fan Always On (w/o LFA)
- Cooling Fan Inoperative (w/o LFA)
- Cooling Fan Inoperative (w/ LFA)
- 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 (Static Fill)
- Flushing
- Radiator Cleaning
- Radiator Surge Tank Replacement (Non-HP2)
- Radiator Surge Tank Replacement (HP2)
- Radiator Surge Tank Inlet Hose/Pipe Replacement (Non-HP2)
- Radiator Surge Tank Inlet Hose/Pipe Replacement (HP2)
- Radiator Surge Tank Outlet Hose/Pipe Replacement (4.8L, 5.3L, and 6.0L Engines)
- Radiator Surge Tank Outlet Hose/Pipe Replacement (HP2)
- Radiator Inlet Hose Replacement (Non-HP2)
- Radiator Inlet Hose Replacement (HP2)
- Radiator Outlet Hose Replacement (Non-HP2)
- Radiator Outlet Hose Replacement (HP2)
- Radiator Vent Inlet Hose Replacement (Non-HP2)
- Radiator Vent Inlet Hose Replacement (HP2)
- Engine Oil Cooler Pipe/Hose Quick Connect Fitting
- Engine Oil Cooler Hose/Pipe Replacement
- Fan Replacement (Mechanical)
- Engine Cooling Fan Replacement (Non-HP2)
- Engine Cooling Fan Replacement (HP2)
- Engine Coolant Fan Motor Replacement (Non-HP2)
- Engine Coolant Fan Motor Replacement (HP2)
- Cooling Fan and Shroud Replacement (Non-HP2)
- Cooling Fan and Shroud Replacement (HP2)
- Engine Coolant Fan Resistor Replacement (Left-HP2)
- Engine Coolant Fan Resistor Replacement (Right-HP2)
- Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6)
- Engine Coolant Thermostat Replacement
- Coolant Air Bleed Pipe Assembly Replacement (RPOs LY2/LY6)
- Coolant Air Bleed Pipe Assembly Replacement (RPOs LC9/LY5/LMG/L76/L92/LFA)
- Engine Coolant Air Bleed Hose Replacement
- Water Pump Replacement (RPOs LY2/LC9/LY5/LMG/LFA)
- Water Pump Replacement (RPOs LY6/L76/L92)
- Engine Coolant Fan Upper Shroud Replacement (Mechanical)
- Engine Coolant Fan Lower Shroud Replacement (Mechanical)
- Radiator Replacement (Non-HP2)
- Radiator Replacement (HP2)
- Radiator Air Upper Baffle and Deflector Replacement (Cadillac)
- Radiator Air Upper Baffle and Deflector Replacement (Yukon)
- Coolant Heater Replacement (RPOs LY2/LMG/LY5/LY6)
- Coolant Heater Replacement (RPOs LC9/L76/L92)
- Coolant Heater Cord Replacement (RPOs LC9/L76/L92/LFA)
- Coolant Heater Cord Replacement (RPOs LY2/LY5/LMG)
- Coolant Heater Cord Replacement (RPO LY6)
- Description and Operation
- Special Tools and Equipment