If the cap is damaged, coolant can leak out, leading to lower levels in the radiator. It also helps to regulate the pressure in the radiator. The radiator cap is needed to keep the coolant in the system where it belongs. The heat and constant pressure can increase the wear if left unchecked. As the motor runs, the pressure of the system can either increase the leak or decrease it, depending on where the hole is.Įither way, hoses can become brittle and worn over time, which is why they should be regularly inspected. Damaged HosesĪ broken hose can also cause a leak when the engine is running or not.
1997 ford ranger belt fell off now leaking coolant engine driver#
You might also see leakage under the vehicle around the passenger or driver seat area. If the heater core is bad, you will notice trouble getting heat into the system. The heat that is generated from the system gets blown into the vehicle through the HVAC vents when you activate the heater. Hot coolant gets pumped into the engine through the system’s heater core. Here is some more detailed information on what could cause a coolant leak when the car is running. A bad intake manifold gasket could also be to blame. It’s also possible that there is a bad heater core or a blown head gasket. Can I Drive With a Coolant Leak? Causes of Coolant Leak While Car is RunningĬoolant leaks when the car is not running can be caused by damaged hoses, a bad radiator cap, a bad radiator, or a defective water pump.
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