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What is wrong if you disconnected the heater and looped the hose back now the thermostat indicator on your 1972 Cougar does not work?
Wiki User
∙ 10y ago
Make sure you didn't knock off the sending unit wire.
Wiki User
∙ 10y ago
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Why is the heater blowing cool air in a 1999 Mercury Cougar?
Your thermostat is stuck open.
Your 2001 GMC Sonoma has no heat?
It is possible the thermostat has stuck in the open position therefor not letting the engine heat up. It could also be the heater core or possibly the hoses to the heater core are disconnected.
The heater on my 1983 Madza B2000 doesn't blow HOT air. Heater core bad and or disconnected?
Perhaps, but could also be: Low coolant? Bad thermostat? Heater core airbound, plugged? Heater temperature control cable frozen? Water pump not circulating coolant?
What does a thermostat do and how does a thermostat work?
the thermostat used to control the heater and after we select the four pole switch to some number the thermostat start connect the power to the heater at the same time the heater start to heat and when we select the switch to zero position the heater not work
What causes heater to fail in 2002 cougar?
You prob have to replace the heater core
What damage could occur to an '88 Cougar V8 engine driven without a thermostat?
well no damage will really happen the thermostat allows the motor to get to a warm temp with out one the motor will (should) run slightly cooler but in the winter months the heater will not work very good.
What would make a hot water heater all the sudden get really hot?
Someone turned up the thermostat, or the thermostat has failed. The thermostat tells the heater what temp to keep the water at.
Why is your disconnected heater core still leaking?
There may have been some water left in the heater core when you disconnected both hoses at the firewall. I can't think of any other explanation since there is no water circulating through the heater core.
Why no heat in cab of f350 diesel?
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
How do you change a heater core on a 1986 Chevrolet truck?
Loosen the dash and pull out the complete heater box after you have disconnected the heater hose from the firewall...........
How do you know if your thermostat goes out?
heater not hot
How do you replace a thermostat on a cozy heater?
comf
