JUST KNOW! Why Bypass Heater Core

Too much blockage in heater hoses or heater core. Driving with a faulty heater core can be risky as it can lead to overheating and extensive engine damage.

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You basically take the two hoses off the heater core you stick them together and youre done.

Why bypass heater core. That way the coolant will continue to circulate even though it no longer goes through the heater core. Replace with straight-through hose fittings. And bypassing the heater core.

The water pump will continue to send a steady stream of coolant to the core. The core may start leaking under the water pressure since there is no bypass hose. Bypassing the heater core is highly discouraged.

The heater core which is part of the cooling system helps transfer heat from the hot engine coolant into the cabin. What happens if I bypass heater core. Bypass valve may be stuck on bypass.

Remove bypass Tees but dont discard. Does heater core affect AC. Disconnect the lines going to and from the heater core start the engine and the reasons for a bypass tube become immediately obvious.

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