Heater hoses carry hot engine coolant to the heater core so your cabin can warm up. Over time they crack, swell, or leak, which can leave you with no heat and dripping coolant under the car. Replacing worn hoses keeps your heating working and protects your engine from overheating.
Find a TechnicianCommon signs include little or no heat from the vents, coolant leaks under the car, a sweet smell, or visibly cracked and swollen hoses. A quick inspection by a mechanic can confirm if they need to be replaced.
It's not recommended. A leaking heater hose can cause your engine to lose coolant and overheat, which may lead to serious and expensive engine damage. It's best to have it fixed as soon as possible.
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