Engine Cooling System

• Specifications
  • Fastener Tightening Specifications
• Schematic and Routing Diagrams
  • Engine Cooling Schematics
• Component Locator
  • Cooling System Component Views
  • Cooling System Connector End Views
    • Cooling Fan - Left
    • Cooling Fan - Right
• Diagnostic Information and Procedures
  • Diagnostic Code Index
  • Diagnostic Starting Point - Engine Cooling
  • Scan Tool Output Controls
  • Scan Tool Data List
  • DTC P0480 or P0481
    • DTC Descriptor
    • 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
    • Repair Procedures
  • DTC P1258
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Procedures
  • Symptoms - Engine Cooling
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Engine Coolant Temperature Indicator Always On
  • Cooling Fan Always On
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Procedures
    • Repair Verification
  • Cooling Fan Inoperative
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Procedures
    • Repair Verification
  • Engine Overheating
  • Loss of Coolant
  • Thermostat Diagnosis (Overheating)
  • Thermostat Diagnosis (Slow to Heat)
  • Coolant Heater Inoperative
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Testing
    • Repair Procedures
  • Engine Fails To Reach Normal Operating Temperature
  • Pressure Cap Testing
  • Coolant Leak Testing
• Repair Instructions
  • Draining and Filling Cooling System (L26, L32 GE 47716 Fill)
    • Notes
    • Draining Procedure
    • Vac-N-Fill Procedure
  • Draining and Filling Cooling System (L26, L32 Static Fill)
    • Tools Required
    • Draining Procedure
    • Filling Procedure
  • Draining and Filling Cooling System (LS4 GE 47716 Fill)
    • Notes
    • Draining Procedure
    • Vac-N-Fill Procedure
  • Draining and Filling Cooling System (LS4 Static Fill)
    • Draining Procedure
    • Filling Procedure
  • Flushing
  • Radiator Cleaning
  • Coolant Recovery Reservoir Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Coolant Recovery Reservoir Replacement (L26, L32)
    • Removal Procedure
    • Installation Procedure
  • Radiator Inlet Hose Replacement (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Radiator Inlet Hose Replacement (L26, L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Radiator Outlet Hose Replacement (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Radiator Outlet Hose Replacement (L26, L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Cooling Fan Motor Replacement - Electric (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Cooling Fan Motor Replacement - Electric (L26, L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Engine Coolant Thermostat Housing Replacement (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Engine Coolant Thermostat Housing Replacement (L26/L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Thermostat Replacement (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Thermostat Replacement (L26/L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Coolant Air Bleed Pipe Assembly Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Coolant Air Bleed Hose Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Water Pump Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Water Pump Replacement (L26/L32)
    • Removal Procedure
    • Installation Procedure
  • Coolant Pump Manifold Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Radiator Drain Cock Replacement
    • Removal Procedure
    • Installation Procedure
  • Fan Shroud Replacement (LS4)
  • Fan Shroud Replacement (L26, L32)
    • Removal Procedure
    • Installation Procedure
  • Radiator Replacement (LS4)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Radiator Replacement (L26, L32)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Radiator Air Lower Baffle and Deflector Replacement
    • Removal Procedure
    • Installation Procedure
  • Radiator Air Upper Baffle and Deflector Replacement
    • Removal Procedure
    • Installation Procedure
  • Coolant Heater Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
  • Coolant Heater Replacement (L26/L32)
    • Removal Procedure
    • Installation Procedure
  • Coolant Heater Cord Replacement (L26/L32)
    • Removal Procedure
    • Installation Procedure
  • Coolant Heater Cord Replacement (LS4)
    • Removal Procedure
    • Installation Procedure
• Description and Operation
  • Cooling Fan Description and Operation
    • Cooling Fan Control - Two Fan System
    • Reference Information
  • Cooling System Description and Operation
    • Engine Coolant Indicators
    • Coolant Level Control
    • Coolant Heater
    • Cooling System
    • Cooling Cycle
    • Coolant
    • Radiator
    • Pressure Cap
    • Coolant Recovery System
    • Air Baffles and Seals
    • Water Pump
    • Thermostat
    • Engine Oil Cooler
    • Transmission Oil Cooler - Internal
    • Transmission Oil Cooler - External
• Special Tools and Equipment
  • Special Tools