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Toyota Cooling System leak

Toyota Maintenance Tools The cooling system is supposed to be a contained system. As various gaskets and seals age, eventually some of them may begin to leak.

If it's a significant leak, it needs to be dealt with directly. Sometimes at the early stages when the leak is only at a level of minor seepage, people will monitor the coolant level and live with it till it's progressed to a more significant rate of loss.

However, loss of coolant can cause catastrophic engine failure due to overheating. If you have any known leaks that are beyond bare seepage, then at minimum, you should regularly check your car's coolant level and keep a careful eye on the temperature gauge.

Due to the possible serious consequences of any lapse in your vigilance, it's probably best to simply perform the needed repairs.