Operation CHARM: Car repair manuals for everyone.

Primary System

Remove or Disconnect

1. Engine coolant.
2. Heater hoses.
3. Screws retaining cover to heater assembly.
4. Screws and straps retaining heater core to the heater assembly.
5. Core from the vehicle.

Install or Connect

1. Core to the vehicle.
2. Screws and straps to retain the heater core to the heater assembly.
3. Screws to retain cover to the heater assembly.
4. Heater hoses.
5. Engine coolant.