Engine Cooling System
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC P0480, P0481, P0691, P0692, P0693, or P0694: Cooling Fan Relay
- 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC P1258: Engine Coolant Overtemperature
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Coolant Heater Inoperative (LFX, LKW, or LUK)
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Cooling System Draining and Filling (Static)
- Cooling System Draining and Filling (Vacuum and Fill)
- Flushing
- Radiator Cleaning
- Radiator Surge Tank Replacement (LFX)
- Radiator Surge Tank Replacement (LKW)
- Radiator Surge Tank Replacement (LUK)
- Radiator Surge Tank Inlet Hose Replacement (LFX)
- Radiator Surge Tank Inlet Hose Replacement (LKW)
- Radiator Surge Tank Inlet Hose Replacement (LUK)
- Radiator Surge Tank Outlet Hose Replacement (LFX)
- Radiator Inlet Hose Replacement (LFX)
- Radiator Inlet Hose Replacement (LKW)
- Radiator Inlet Hose Replacement (LUK)
- Radiator Inlet Hose Connector Replacement (LFX)
- Radiator Outlet Hose Replacement (LFX)
- Radiator Outlet Hose Replacement (LKW)
- Radiator Outlet Hose Replacement (LUK)
- Radiator Lower Mount Replacement (LFX)
- Radiator Upper Mount Replacement (LFX)
- Radiator Lower Bracket Replacement (LKW, LUK)
- Radiator Upper Bracket Replacement (LFX)
- Radiator Upper Bracket Replacement (LKW)
- Engine Coolant Fan Replacement (LFX)
- Engine Coolant Fan Replacement (LKW)
- Engine Coolant Fan Replacement (LUK)
- Thermostat Bypass Hose Replacement (LKW)
- Engine Coolant Thermostat Housing Replacement (LFX)
- Engine Coolant Thermostat Housing Replacement (LKW)
- Engine Coolant Thermostat Housing Replacement (LUK)
- Engine Coolant Thermostat Replacement (LFX)
- Engine Coolant Thermostat Replacement (LUK)
- Engine Coolant Air Bleed Pipe Replacement (LFX)
- Engine Coolant Air Bleed Pipe Replacement (LKW)
- Engine Coolant Air Bleed Hose Replacement (LFX)
- Water Outlet Replacement (LFX)
- Water Outlet Replacement (LKW)
- Thermostat Bypass Pipe Replacement (LKW)
- Water Pump Replacement (LFX)
- Water Pump Replacement (LUK)
- Water Pump Replacement (LKW)
- Auxiliary Water Pump Replacement (LUK)
- Radiator Drain Cock Replacement (LFX)
- Radiator Drain Cock Replacement (LKW, LUK)
- Engine Coolant Fan Shroud Replacement (LFX)
- Engine Coolant Fan Shroud Replacement (LKW)
- Engine Coolant Fan Shroud Replacement (LUK)
- Radiator Replacement (LFX)
- Radiator Replacement (LKW)
- Radiator Replacement (LUK)
- Radiator Air Side Baffle and Deflector Replacement (Left)
- Radiator Air Side Baffle and Deflector Replacement (Right)
- Radiator Air Upper Baffle and Deflector Replacement (LFX)
- Radiator Air Upper Baffle and Deflector Replacement (LKW)
- Radiator Air Upper Baffle and Deflector Replacement (LUK)
- Coolant Heater Replacement (LFX)
- Coolant Heater Replacement (LUK)
- Coolant Heater Replacement (LKW)
- Coolant Heater Cord Replacement (LFX)
- Coolant Heater Cord Replacement (LUK)
- Coolant Heater Cord Replacement (LKW)
- Description and Operation
- Special Tools and Equipment