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

Heater Core: Service and Repair

Installing vacuum hose adaptor

When replacing the heater core -1- on vehicles with A/C, or with fresh/recirculating air flap:

- Install vacuum hose adaptor -2- on new heater core.

- Replace gasket -3-.