What happens if your heater hoses are 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.
Where do heater core hoses go?
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.
Which heater hose is the inlet?
The inlet hose for your heating system is the hose that goes to the water pump area. The other hose is the outlet. These flush kits will actually work on either one though as it does go through the entire cooling system.
What does it mean if both heater core hoses are hot?
The heater core should be checked for proper coolant flow. Simply touch both of the heater hoses at the firewall to see if they are hot to the touch. If both heater hoses feel equally hot, then the most likely problem is the temperature blend door not allowing air to pass over the heater core.
Where does the heater hose go on a small block Chevy?
Heater Hose Routing Small Block Chevy. One of the fittings [the passenger side of intake] goes to the heater core inlet. The hole on the Bigger hose = outlet, smaller hose = inlet. Currently the heater hose goes from the driver side front on the intake.
Which is heater hose is connected to the engine manifold?
Share to Location: Chevy Chase MD. Posts: 11, Does it make a difference which heater hose (upper or lower) is connected to the the same as a standard system except for the engine’s internal fluid routing. The smaller one (5/8″) is the hot and connects to the manifold.
Which is heater hose sends water toward the heater core?
Posts: 11, Does it make a difference which heater hose (upper or lower) is connected to the the same as a standard system except for the engine’s internal fluid routing. The smaller one (5/8″) is the hot and connects to the manifold. Which hose sends water toward the heater core?