Why would someone squeeze the upper radiator hose?
The most common cause for radiator hose collapse is a vacuum issue caused by a faulty radiator cap. Another common problem is clogging of the smaller radiator runoff hose, which leads to the coolant tank. As the engine cools, if fluid cannot return to the tank, this will also cause a vacuum.
What does a collapsed upper radiator hose mean?
The most common cause for radiator hose collapse is a vacuum issue caused by a faulty radiator cap. As the engine cools, if fluid cannot return to the tank, this will also cause a vacuum. Additionally, it is possible that your radiator is clogged or dirty, but if that’s the case, you’re likely to have some overheating.
Where does the radiator hose attach to the engine?
The upper hose attaches from the top of the radiator to the top of the engine at the thermostat housing. The lower hose attaches from the bottom of the radiator to the water pump of the engine. If you suspect either radiator hose is failing, watch for the following symptoms:
What causes an upper radiator hose to collapse?
What causes a radiator hose to collapse The primary concern here is vacuum in the system created as the engine cools. If your radiator cap is not releasing pressure on the system, it can cause a vacuum to develop (coolant is unable to move to the reservoir/overflow tank). This can collapse the upper radiator hose.
What kind of hose do I need for my radiator?
The radiator hoses are a good place to start. Shop Advance to find OEM-style molded rubber hoses as well as flexible, braided steel or colored silicone hoses for a custom look. Always remember to clean any corrosion or residue from the connecting points before clamping on a new hose.
When to see a mechanic about your radiator hose?
As soon as you notice leaking coolant, your engine overheats, the Low Coolant light illuminates, or your radiator hose is broken, have a professional mechanic inspect and/or replace the radiator hose. YourMechanic makes getting repairs to your radiator hose easy by coming to your home or office to diagnose or fix issues.