Heater Core Backflushing
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Motorcraft® Premium Cooling System Flush VC-1 |
ESR-M14P7-A |
- Once pressure is released, remove the pressure relief cap.
- Clamp off the heater hoses.
- Use a cooling system flusher to backflush the heater core. Use Premium Cooling System Flush or equivalent.
- Remove the clamps from the heater hoses.
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.
NOTE:
Refer to the cooling system flusher manufacturer's operating instructions for specific vehicle hook-up.