Cooling Fan System
NOTE:
Use the following procedure to check operation of cooling fan system. For all other cooling fan testing, see SPECIFICATIONS & ELECTRIC COOLING FANS article in ENGINE COOLING section.
- Ensure coolant temperature is less than 190°F (88°C). Turn ignition on. If cooling fan does not come on, go to next step. If cooling fan comes on, check for faulty cooling fan system components or wiring. See SPECIFICATIONS & ELECTRIC COOLING FANS article in ENGINE COOLING section.
- Ensure coolant temperature is greater than 207°F (97°C). If cooling fan comes on, system is okay. If cooling fan does not come on, check for faulty cooling fan system components or wiring. See SPECIFICATIONS & ELECTRIC COOLING FANS article in ENGINE COOLING section.