What PSI is heater hose?
The cooling systems in most late model cars and trucks are designed to operate at 13 to 18 PSI or less. So most radiator and heater hoses never see the high side of 18 PSI, even if the engine runs hot and overheats.
Which is the best HVAC heater hose assembly?
HVAC Heater Hose Assembly by Gates®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find high prices and poor… GM Original Equipment™ Heater Hose by ACDelco®.
Which is larger a return hose or a feed hose?
It seems I made a very common mistake by running the 5/8″ hose from the water pump and 3/4″ hose from the intake. I think the return line should be larger than the feed line simply; with the same Volume of a smaller hose will have higher pressure and a larger (return) hose will have lower pressure.
Why are there hoses in my water heater?
Heater hoses and pipes do not just hold themselves to the heater core, cylinder head, or the water pump. With all this heat causing the rubber hoses to expand and contract something needs to hold them in place and prevent leaking.
What’s the difference between aftermarket and aftermarket heater hoses?
Brand new aftermarket heater hoses are engineered to be compatible with all the common coolants or additives. With the newest parts under the hood you can be guaranteed that new hoses will have much more strength and heat resistance than old hoses.
How are the radiator and heater hoses connected?
Radiator hoses are connected to both the radiator and engine to direct coolant to the radiator so it can be cooled and then back into the engine so it can maintain a certain temperature, preventing overheating. Heater hoses are used to transfer heated coolant into the vehicle’s heating unit or heater core.
It seems I made a very common mistake by running the 5/8″ hose from the water pump and 3/4″ hose from the intake. I think the return line should be larger than the feed line simply; with the same Volume of a smaller hose will have higher pressure and a larger (return) hose will have lower pressure.
Why are there two different sizes of heater hoses?
There are two different sizes so that the people assembling the cars couldn’t screw up the installation — same with us. If you install big to big and small to small, the flow direction doesn’t matter, does it?