
A typical electrical circuit may include a main electrical element, various switches, relays, electric motors, fuses, fuses or circuit breakers, wiring related to this element, and connectors used to connect the main element to the battery and ground bodies

Inlet and outlet rubber hoses fit to the heater core. Fluid is taken into the radiator with the heater valve open, from the cylinder head, and drained to the engine cooling system pump.

Remove the heater valve if there is a coolant leak
We remove the auxiliary heater electric pump to approach the tap during replacement, and in case of a malfunction of the pump itself