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)

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Heater Core: Service and Repair

For Heater Core Removal and Installation, refer to Heater Core Case. Heater Core Case

Seals, Installing:

Heater Core:





- Install self-adhesive seals -A- and -B- so that there are no gaps around perimeter of heater core.
- If heater core does not lock firmly in place during installation, mount to heater box with two self-tapping screws.