Engine Cooling System - Testing & Troubleshooting

• Component Location Index
  • Cooling Fan Controls
  • Cooling System
• Check
  • Coolant
    • Check
• Replacement
  • Coolant (2016 2017 2018)
    • Replacement
  • Coolant (2019 2020 2021)
    • Replacement
• Description
  • Cooling Fan Controls System - Overview
    • Overview
    • Fan LO Control Operation
    • Fan HI Control Operation
  • Cooling System - Cooling Circuit
    • Overview
    • Cooling Circuit
      • Thermostat closed:
      • Thermostat opened:
      • Cooling Control Spacer
• Circuit Diagram
  • COOLING FAN CONTROLS (6-Speed A/T), [9-Speed A/T (2016 2017 2018)]
  • Cooling Fan Controls (9-Speed A/T) (2019 2020 2021)
• Troubleshooting
  • Radiator Fan High Speed Circuit (6-Speed A/T), ('16-'18 9-Speed A/T)
  • Radiator Fan High Speed Circuit (9-Speed A/T) (2019 2020 2021)
  • Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
• Symptom Troubleshooting Index For Viewer
  • Both The Radiator Fan And The A/C Condenser Fan Do Not Run At Low Speed
  • Engine Overheats
  • The A/C Condenser Fan Does Not Run At High Speed
  • The Radiator Fan Does Not Run At High Speed
• Test
  • Radiator Cap
    • Test
  • Radiator
    • Test
• Inspection
  • Water Pump
    • Inspection
• Symptom Troubleshooting Index
  • Cooling Fan Controls Symptom Troubleshooting Index