| Diagnosis | Head gaskets | |
| Radiators | Coolant/antifreeze recovery | |
| Hoses and belts |
Transmission coolers | |
| Heater cores | Heater control valves | |
| Thermostats | A/C service and repair | |
| Fan clutches |
Airflow ducts & vents | |
| Electric cooling fans | A/C-heater control panel | |
| Water pumps | Power flushing |