2000 Land Rover Discovery "heat back forth cold hot" Questions

...heat on it blows hot than cold back and forth . About 7 or 8 seconds it will blow hot than i can hear a valve or something and it will blow cold, back and forth never ending. this just started after ...

cold controls back and forth and it will eventually get warm again only to go back to cold. Have you checked the coolant level? If it's low, it will result in diminished heat, and could be the problem

...heat temp slider is moved from full cold to anything with hot air mix to full hot, you can hear a door flapping back and forth under the dash and air delivered remains full cold. 2) Door flapping ...

...temp gage back and forth and it seems to click back in. What do you think? Low freon for the summer, and low coolant for the winter. The heat and cooling are not related to each other. Separate ...

When you turn inside fan on, no matter what temp setting, heat or A/C, it blows hot/cold hot/cold back and forth??? broken blend door

heat gauge climbs all the way to the red line rather quickly. It is not overheating because it is blowing cold air. It stays in the red for a while. Just before it starts blowing hot air I hear a loud

...back and forth on its own with the heat set to hot? try turning the blower down, if you have the fan on full you will feel cooler air from time to time. as the thermostat only measures the ambient ...

back and forth. Smells like it's running hot. Also, the heat use to work and then not work....now it's just cold air. What's up? Could those be related? Try checking your thermostat ,it may be getting

why dose the heat blow hot and cold air at the same time when the setings are on hot if heat blows hot then cold back and forth check coolant level.if level good replace thermostat

...heat in cab of my land rover diso there is a valve in one of your heater core lines in the engine bay that controls the flow of the hot engine coolant to the heater core and is controlled by the ...