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When you replace the metal piping connected to the heater core what do the rubber hoses from the engine to the heater core connect to?
Wiki User
∙ 15y ago
If the hoses from the engine to the heater core are missing you will have to get a flash light and search from underneath the car or open the hood and remove the air cleaner assembly to find where the hose must attach to.
Background:
Heater cores are removable and connect to either solid plastic or metal pipes or rubber hose which then travel through the firewall that separates the engine and passenger compartment. from there there are usually two rubber hoses that connect to either metal piping or directly to the engine block. Basically, the engine has water that circulates in it's walls AND often to the heater core as well. This way the heater core heats up more quickly rather than trying to heat all the liquid in the radiator. Next, there is a thermostat which opens once the liquid reaches a certain temperature (~ 190 degrees F). There is outbound pipe from the engine block to the heater core and a return back to th engine block and a much larger inbound and outbound rubber hose to the radiator and back to the engine. The engine has a water pump that circulates all of this liquid. Check out "how stuff works" to get a better idea.
They connect to the inlet and outlet on the heater core. That is probably not the answer you are looking for and I am probably misunderstanding your question, but I see no other answer.
Wiki User
∙ 15y ago
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