Heater Core Backflushing
Materials
| Name | Specification |
|---|---|
| Motorcraft® Premium Cooling System Flush VC-1 | ESR-M14P7-A |
Flushing
WARNING:
Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.
- 1.
Partially drain the cooling system. Refer to: Cooling System Draining and Vacuum Filling .
- 2.
Add Premium Cooling System Flush to backflush the heater core and follow the directions on the package. Flush with water thoroughly after using Premium Cooling System Flush prior to refilling the cooling system.Material
: Motorcraft® Premium Cooling System Flush / VC-1 (ESR-M14P7-A)
- 3.
Fill and bleed the cooling system. Refer to: Cooling System Draining and Vacuum Filling .