Because the case is cracked and/or a cell is ruptured. That's probably not just water leaking on the floor. I suggest you buy some cat litter or floor dry and clean that up, quick.
It all depends on what part is leaking what fluid. Brake cylinder would leak brake fluid. Axle seal would leak gear oil.
Yes, your appendix can slowly leak. This condition is called chronic appendicitis. However, once it does burst, it is imperative that you get to the emergency room, as it can be life threatening.
Heater core is possible, coolant could be leaking externally onto engine and giving off that smell. Ruptured, cracked or leaking bypass hose; Ruptured, cracked or leaking heater hose; Worn or damaged radiator cap; Rusted, corroded, or damaged radiator may be leaking antifreeze/coolant; Loose, damaged, or faulty radiator drain plug; Worn or damaged cooling fan motor or circuit; Thermostat stuck closed; Cracked or leaking water outlet/hose; Damaged, worn or leaking water pump; Leaking or defective heater control valve; Freeze plugs are cracked or leaking. to smell burning anti freeze it would need to be leaking onto engine. most likely a small leak in a coolant hose somewhere, and even if it is heater core , it is sure not going to cost 500 bucks a heater core doesnt even cost 100 bucks to buy and they are easy to install
The truck may be leaking coolant or water from the radiator or heater core. It is important to have it inspected by a mechanic as leaking fluids can lead to engine overheating and damage if left unaddressed.
Most likely it's a ruptured heater core, leaking coolant. But before you replace the heater core, check the connections outside the firewall. Sometimes a leaky connection will drip to the inside... but don't expect it; it doesn't happen often.
TAke it to a garage and have someone look at it. The cooler for the trans may have ruptured and is leaking fluid in the rad and coolant in the trans.
Rear main engine seal or front transmission seals
plumber is always checking if nything has any water problems or so,and gas engineers just check if the gas is leaking anywhere as it can cause danger
There is a small radiator inside between the driver and passanger sides for your heater. It is probably leaking there.
You need to check the transmission gasket between the transmission pan and the body. If it's leaking you have to replace it.
Water in oil is usually caused by a leaking headgasket. This is the gasket between the engine block and the head. It is an expensive repair.