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
Test I
PINPOINT TEST I: INSUFFICIENT, ERRATIC OR NO HEATTest I1-I2:
Test I3-I4:
Normal Operation Under normal operation, warm coolant flows from the engine through the
heater core and back to the engine.
Possible Causes -
Temperature blend door/actuator.
-
Coolant level.
-
Plugged
heater core.
