A leak.
Blown head gasket or cracked head.
Since a vehicle's cooling system is closed and sealed, antifreeze (coolant) loss will occur due to leaks which can be in any part of the system, such as the radiator, water pump, heater core, transmission cooler, hoses, or a blown head gasket.
Can be leaking intake manifold gaskets, which can sometimes be fixed by using Dexcool coolant. Can also be a head gasket.
A LOCA is a loss of coolant accident. A rupture in the main coolant system resulting in a major leak of that coolant is a loss of coolant accident, or LOCA.
From air trapped in he block of your engine. If you recently drained your coolant air is trapped in the system. You will need to bleed all air from the cooling system. If you have not recently changed the coolant this is a sign of a blown head gasket. Other symptoms are white smoke from the exhaust, loss of coolant with no apparent leak, oil level overfull, and a white foamy substance under the oil fill cap. Stop driving the vehicle unit this is repaired.
many possible causes, low coolant, worn out coolant, bad thermostat, no circulation (water pump) radiator blockage, pressure loss somewhere
some general causes: leak in cooling system (including possible blown head gasket) resulting in loss of coolant; defective thermostat
Yes, coolant can leak from the system without causing immediate overheating, especially if the leak is small or if the engine is not under heavy load. However, even a minor coolant loss can eventually lead to overheating if not addressed, as it reduces the cooling system's efficiency. Additionally, factors like ambient temperature, engine load, and the vehicle's design can influence whether overheating occurs despite coolant loss. Regular checks and maintenance are essential to prevent potential issues.
hello, have you changed the spark plugs in this vehicle?
Normally a leak in the sytem, either internal or external. More details would be required to expand on the answers to be given
Look on the ground! Monitor the coolant reservoir.
A cracked head could also at fault.