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

Heater Core: Service and Repair

Heater Core

REMOVAL

1. Remove the heater and cooling unit.
2. Remove the screws and detach the heater pipe cover.






3. Remove the screws and detach the clamp.






4. Remove the pipe clamp and detach the pipe.






5. Remove the heater core cover.






6. Remove the heater core.






INSTALLATION

CAUTION: Replace O-rings and pipe clamps with new parts and install securely.

1. Install in the reverse order of removal.
2. Fill engine coolant.
3. Charge refrigerant.