Here's why:
* Coolant prevents overheating: Coolant circulates through the engine, absorbing heat generated by combustion. Without it, the engine will quickly overheat.
* Overheating leads to damage: Extreme heat can warp engine components, melt seals, and even seize the engine.
While you might be able to start a car without coolant, it will likely overheat within minutes, causing significant damage.
Here's what happens if you try to run an engine without coolant:
* Initial Startup: The engine may start as normal, but the temperature will rise very quickly.
* Overheating: The engine will overheat within a short time, potentially causing:
* Head gasket failure: This allows coolant to leak into the combustion chamber, leading to misfires and potentially catastrophic engine damage.
* Engine seizure: The engine may seize due to the metal components expanding and binding.
* Damage to other components: Other parts of the engine, such as the cylinder head, pistons, and bearings, can also be severely damaged by excessive heat.
It's crucial to never attempt to run an engine without coolant. If you suspect your car is low on coolant, add it immediately. If you've been driving without coolant for a while, it's best to get your car inspected by a mechanic as soon as possible.
