- What happens if you hook up heater core hoses backwards?
- What are the heater core hoses called?
- Should both heater hoses be hot?
- Does it matter which way water flows through heater core?
- Are heater cores directional?
- Which way does water flow in small block Chevy?
- What does the heater hose connect to?
- What does bypassing the heater core do?
- Can you hook up a heater core wrong?
- What are heater hoses?
- Which heater hose is hotter?
- What does it mean when both heater core hoses are hot?
- What does it mean if both heater core hoses are cold?
What happens if you hook up heater core hoses backwards?
By reversing the hoses, the coolant will flow in reverse direction through the core, but it'll still be flowing in the same direction as far as the engine is concerned. ... This may not prevent it from carrying debris from the core into the engine cooling system.
What are the heater core hoses called?
Both the upper and lower radiator hoses are the largest hoses in the cooling system connected to the engine. Heater hoses are smaller hoses that are attached to the heater core, which is located under the dashboard, to supply warmth to passengers in the cabin.
Should both heater hoses be hot?
The coolant temperature should hit at least 160°, preferably 180° to 220°. ... If coolant temperature is acceptable, feel both heater hoses, which should be hot.
Does it matter which way water flows through heater core?
No, it makes no difference whatsoever which direction the water flows through the heater core.
Are heater cores directional?
The core will heat up no matter which direction. However, some heater control valves are directional, usually they have an arrow on them to indicate direction, and will function better if installed correctly.
Which way does water flow in small block Chevy?
Actually the flow (pressure side) will be the hose fitting on the intake. The fitting on the water pump is the suction side and feeds back into the waterpump impeller in the same area as the bypass water.
What does the heater hose connect to?
Heater hoses are rubber hoses that circulate engine coolant to and from the heater core, which is the small radiator that provides heat for the cabin. They typically extend from the engine to the firewall, because the core is located inside the vehicle's dashboard.
What does bypassing the heater core do?
You basically take the two hoses off the heater core, you stick them together and you're done. That way, the coolant will continue to circulate, even though it no longer goes through the heater core. And bypassing the heater core should have no effect at all on the performance of the engine, Charles.
Can you hook up a heater core wrong?
You would effectively back flush your heater core temporarily. The scale and any gunk would be logged loose and now circulating in your cooling system likely to clog the radiator and possibly the core too. It also isn't designed to be as efficient with fluid going backwards through it.
What are heater hoses?
Heater hoses are used to transfer the excess heat, in the form of engine coolant, from the engine into the heater core. Once the heated engine coolant reaches the heater core, it travels through small tubes inside the heater core.
Which heater hose is hotter?
When the vehicle is at operating temperature feel the two hoses, the should be the same temperature. If one hose is noticeably hotter then the other then the heater core may be partially plugged or restricted.
What does it mean when both heater core hoses are hot?
If both heater hoses are hot then the core is getting hot coolant flowing through it. You should check the temperature blend door actuator behind the glove box on heater case to see if it is operating the temperature blend door or not. If the actuator is not moving then replace actuator and retest the heater output.
What does it mean if both heater core hoses are cold?
The three possibilities are stuck open thermostat, stuck closed heater hose valve (if there is one) or plugged core.