Even after running for some time (enough for engine to be up to temp), the temp gauge barely reads above cold and the heater puts out luke warm air at best. When I turn the heater off, the temp guage rises slightly.
With the engine cool I opened the radiator, but it would not take anymore fluid.
Is this a thermostat problem? If so, where is the thermostat on this vehicle (I've changed others in the past)?
Is it a heater core issue? If so, how do I flush it?
Or is it possibly just a coolant level issue? The fact that it won't take anymore concerns me. Or is that because I checked it while it was cool?
Any advice is appreciated. Thanks.
Monday, November 2nd, 2020 AT 8:46 AM