Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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 Flush-All Operating Instructions for particular vehicle hook-up.

Use cooling system Flush-All, Flush Kit Hardware Package and Drain Kit to back flush the heater core. Use Premium Cooling System Flush F1AZ-19A503-A or equivalent meeting Ford specification ESR-M14P7A.
3. Fill the cooling system.