Heater Core Backflushing
Heater Core BackflushingMaterial:
1. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding.
2. NOTE: Refer to the cooling system manufacturer's operating instructions for particular vehicle hook-up.
Using an appropriate cooling system flusher, backflush the heater core. Use Premium Cooling System Flush.
3. Fill the cooling system.