Not sure about the revving but the fluid is most likely due to a failed water pump.
You could have a bad water pump causing no coolant flow, inoperable radiator fans, a coolant leak,............
it is a hyndai that's why it is a hyndai that's why
The thermostat on a 2004 Chevy Venture is changed by draining the radiator, removing the upper radiator hose, and unbolting the thermostat housing. The old thermostat and gasket can then be removed and replaced.
The thermostat on a 2005 Chevy Equinox is changed by draining the radiator, removing the upper radiator hose, and unbolting the radiator housing. The old thermostat can then be removed, a new gasket installed, and the housing bolted down.
Blown head gasket?
Radiator plugged or restricted? Cooling system airbound? Water pump not circulating coolant? Radiator cap defective? Radiator hoses collapsing under pressure? Defective gauge/cooling temperature sensor?
The thermostat on a Chrysler PT Cruiser is changed by disconnecting the upper radiator hose, unbolting the thermostat housing, and removing the thermostat. A new unit can then be put in place and reattached.
water pump. thermostat.
Begin by removing the water supply hose from the top of your 1989 Ford F1 50 thermostat housing. Remove the thermostat housing retaining bolts. Lift the old thermostat out and drop in the new thermostat.
Check the grille on the front of the radiator and be sure that it is clean of all mud and debris otherwise the radiator is not able to pull air through to cool the water. You can clean that grille by removing the radiator from the truck and lightly pressure washing it.
check the heater core stopped up radiator
Thermostat messed up, Oil needs to be changed, no antifreeze in the radiator, radiator fan is not working properly