Operation CHARM: Car repair manuals for everyone.
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

After Repair Procedures

NOTE: Any time a hose or component connection leak is observed, the component and fitting must be separated, cleaned, and a new O-ring installed.

1. O-ring seal surfaces must be free of dirt, lint, burrs, and scratches. The O-ring and connector should be lubricated.
^ Use Motorcraft Refrigerant Oil YN-12b or equivalent meeting Ford specification WSH-M1C231-B.