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Make sure you didn't knock off the sending unit wire.

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โˆ™ 2014-02-06 20:03:07
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Q: What is wrong if you disconnected the heater and looped the hose back now the thermostat indicator on your 1972 Cougar does not work?
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Related Questions

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.

Where can one purchase a heater thermostat?

A heater thermostat controls the temperature of water in a heating system. A heater thermostat can be purchased from companies such as Hygiene Supplies Direct and Alibaba.

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 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 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

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.

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...........

Where is the heater core temperature thermostat?

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How do you replace a thermostat on a cozy heater?


Heater and ac do not work?

Check the thermostat.

Does a water heater have a thermostat?

No, BUT they do have an AQUA stat

How do you know if your thermostat goes out?

heater not hot

How do you Check a thermostat on a hot water heater?

What type of thermostat (there are several, the commonest is a rod)?

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.

Heater does not blow hot all relays are good?

Check the thermostat or heater core

Why do i not have heat new thermostat No leak at heater core?

Heater core could be clogged.

Why don't you have any heater in your 1992 Jeep Wrangler?

Heater works fine in my Wrangler! Check the thermostat or the hoses or heater core might be plugged. The thermostat is easiest ^ cheapest to change so start there.

Water heater thermostat defective?

Of course a water heater thermostat would be defective as water heaters / hydronic boilers would use an Aqua Stat

Why the electrical thermostat of a electrical heater can be damaged?

By overheating which will cause a change in the thermostat materials construction.

What does it mean when it says heater circuit is high?

The circuit is open. Wires could be disconnected/damaged or the heater element is burned out.

What is wrong if the heater in a 1999 Honda Civic doesn't get warm?

could be thermostat or heater fan if you can hear all the speeds on the blower motor working then it could be your thermostat but your heater core might be plugged as well

What could cause the heater or defrost to NOT blow warm or hot in a 1988 Ford Bronco ll?

Blocked heater core, faulty heater valve, disconnected connection to the heater valve.