The checking and monitoring of coolant level on Chevrolet vehicles is a simple and routine maintenance procedure. The vehicle should be safely stopped and the engine cool. The coolant reservoir will either have a built-in cap dipstick or a level marking if it is transparent. The level indicator will show the hot and cold levels. If they are low, the vehicle will need a top-off. Cooling systems are sealed and the loss of fluid often indicates a leak or problem requiring service to prevent engine damage, fire, and or being stranded by an overheat.
Check your coolant level...
if coolant is ok!! then check coolant sensor.
Check your coolant level.
That means the engine is running HOT. Need to check the coolant level and check for coolant leaks.
Check coolant level .Then thermostat . Then hearter core
The coolant level is low.The coolant level is low.
To check the coolant level of a vehicle first see look for the overflow reservoir. There should be a coolant dipstick with a level gauge on it. Remove it from the reservoir to see the coolant level.
check the coolant level first, low coolant will cause no heat, always check all fuses just in case
The heater core is stoped up / MAYBE. Are the engine is low on coolant, Check coolant level in radiator.
If you are checking the coolant level at the overflow bottle, it may look normal (between the low & high marks). But the coolant level sensor is mounted on the passenger side of the radiator, down several inches from the top. In other words, you need to check the coolant level AT the radiator cap, but only when the engine is COLD. If it is OK at that point and the overflow bottle, then the coolant level sensor most likely needs to be replaced.
Check the coolant level and make sure that its full, and is not leaking down over time. If the system is full then the low coolant sensor is probably bad.
Sounds like your coolant is low or your coolant level sensor could be sticking closed after the coolant was low. with the dexcool coolant it becomes thick and cause the sensor to stick closed.