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

Other Refrigerant System Components

Add 60 ml (2 ounces) of clean Motorcraft YN-12b refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B:
- following replacement of other system components such as hoses, A/C evaporator core orifice, A/C cycling switch, A/C compressor pressure relief valve and A/C pressure cut-off switch.
- following minor repairs such as O-ring leaks, charge port leaks, compressor shaft seal leaks and hose leaks.