Want this question answered?
Running a vehicle without a thermostat will cause it to take longer to warm up and your interior heater may not blow hot air.
No.
You may smell coolant when the ac is running but a leak in the heater core won't cause the ac not to work.
Not unless your heater core leaks.
Cause its a caddy
The coldness
could be the blower motor, a fuse, or a bad wire.
no
A bad smell coming from the heater in a vehicle can indicate a bad heater core. One way to check this out is to see if the smell is worse when you sit in the passenger seat. If it is, there is a good chance the heater core is bad.
If they are long enough to drain the battery
Check Antifreeze level..make sure there are no leaks under the vehicle.
Condensation may cause sizzling and popping noises within the burner area during heating periods.