Ranger 4WD L4-153 2.5L SOHC VIN C SFI (2001)
Heater Core: Service and Repair
Backflushing - Heater Core
Flushing-Heater Core
1. WARNING: Do not open the cooling system while it is hot or while the engine Is running.
Partially drain the cooling system.
2. NOTE: Refer to the cooling system Flusher Manufacturer's Operating Instructions for particular vehicle hook-up.
Use an appropriate cooling system Flusher to back flush the heater core. Use premium cooling system flush.
3. Fill the cooling system.