Radiator Hose Replacement
What is a radiator hose?
Radiator hoses are typically made of rubber, and help carry the engine's coolant to and from the radiator.
How does the radiator hose work?
There are two radiator hoses. The upper radiator hose carries hot coolant from the thermostat housing on the engine to the radiator inlet. After the coolant passes through the radiator and sheds excess heat, the coolant exits the bottom of the radiator into the lower radiator hose, bringing the cooled fluid back to the engine.
Coolant hoses can be damaged by oil leaks. The issue should be addressed in order to avoid damaging the new hoses.
What are the symptoms related to a bad radiator hose?
A coolant leak may be noted from the hoses. Coolant hoses can be damaged by oil leaks, or age. This will lead to swelling or cracking, it is suggested to replace the hoses before they begin leaking to avoid potential overheating.
Can I drive with a radiator hose problem?
The vehicle should not be driven with leaking or damaged radiator hoses. If a hose should fail while driving, the engine would overheat in short order, leading to additional repair expense.
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How often do radiator hoses need to be replaced?
Replacement intervals vary greatly by vehicle and driving conditions. The radiator hoses do not wear like a tire or a ball joint, but eventually the rubber will degrade to the point of leakage. If not from age, the hoses will often fail due to oil contamination from an oil leak. Oil leaks cause the rubber to swell and weaken, increasing the risk of failure.