What happens to coolant when it breaks down?
As coolant breaks down, the sulfur, chlorine and other extreme-pressure compounds contained within become ineffective. This leads to poor tool and machine life as well as problems with accuracy and part quality.
Where does the coolant go in a car?
The other path your car coolant takes is through the heater core, which is best found starting at the firewall (the wall closest to the passenger compartment at the back of the engine). Your heater core is a small radiator inside the cabin of your vehicle in the ventilation system.
What to do if your coolant keeps running out?
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What happens if your antifreeze keeps running out?
If you’re antifreeze keeps running out quickly, you’ve almost definitely got a leak. This is much different than the slight decrease in coolant levels that you’ll notice at regular oil-change intervals. Sometimes a leak may not be visible.
When does the low coolant level light come on?
When you start the engine, the low coolant level light should come on for a second or two and then go out. If it doesn’t go out, either the coolant level is too low or there is a problem with the sensor system. `. The light usually shows either a thermometer or a box, often with wavy lines to indicate liquid.
What happens if the coolant level in the reservoir is low?
If the coolant level in your reservoir is very low, below the “Min” or “Low” mark, there’s a decent chance you have a leak somewhere. We’ll get to that in a minute — but there is always the chance that you just need to add more coolant.
What do the coolant levels on my car mean?
It will have levels marked “Min” and “Max,” or “Low” and “Full,” that indicate the actual coolant level when the vehicle’s engine is cold. Your owner’s manual has the correct information for your vehicle.
How does a coolant level sensor work in an expansion tank?
The coolant level sensor can be a float-type device, which activates the warning light when a low coolant level sends it to a low position in the expansion tank. Or it can involve electric sensors with two electrodes that are placed at the bottom of the expansion tank.