Heater Core Backflushing
WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
| Illustration | Tool Name | Tool Number |
|---|---|---|
| Drain Kit | 164-R3662 or equivalent | |
| Flush Kit | 164-R3658 or equivalent |
Material
| Item | Specification |
|---|---|
| Motorcraft Premium Gold Engine Coolant with Bittering Agent (bittered in US only) VC-7-B (US); CVC-7-A (Canada); or equivalent (yellow color) |
WSS-M97B51-A1 |
| Premium Cooling System Flush VC-1 |
ESR-M14P7-A |
- Once pressure is released, remove the pressure relief cap.
- Partially drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding .
- Use an appropriate cooling system flusher to backflush the heater core. Use Premium Cooling System Flush or equivalent meeting Ford specification ESR-M14P7-A. Flush with water thoroughly after using VC-1 or equivalent prior to refilling the cooling system
- Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding .
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:
For additional information, refer to the cooling system flusher manufacturer's operating instructions for particular vehicle hook-up.