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

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Heater Core: Service and Repair

Heater Hoses:






Tools Required:
J 37097-A Hose Clamp Pliers

Remove or Disconnect

1. Drain cooling system.
2. Heater hoses from heater core.
3. Console assembly.
4. Trim sound insulator as necessary to allow removal of heater core cover.
5. Heater core cover from HVAC module.
6. Retaining straps from heater core.
7. Heater core.

Install or Connect

1. Heater core into HVAC module with attaching straps and screws.
2. Heater core cover and attaching screws.
3. Console assembly.
4. Heater hoses to heater core.
5. Fill cooling system.