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The water is flowing through the heater core at full speed, all the time. Temperatures are adjusted by moving a 'door' inside the ductwork changing the amount of air that passes over the hot heater core.
The various "Related Questions" below provide tons of information on the Taurus/Sable heating systems, and a round-up of causes & repairs for common problems.
What else can I help you with?
How to change water pump 2002 Ford Taurus?
How do you change the water pump in a 2002 ford Taurus
What does a heat exchanger do in a 2002 Ford Taurus?
Like most water-based exchangers, known as the heater core, a hot liquid passes through the inside of a housing which is covered in metal 'fins'. Air then is blown over this housing where it picks up some of the heat from the heater core and moved through the ducts to the vehicle cabin. See "Related Questions" below for much more about Taurus / Sable heater cores
How do you back flush the heater core on your 2002 Ford Taurus?
Remove the hoses going to the heater core. Use a regular water hose with a high pressure nozzle and flush both ways.
Your heater fan is not working on a 2002 Ford Taurus SES where is the fan located?
huh?
How do you replace the heater core in 2002 Ford Taurus without taking the dash apart?
How yo take a heater core out of 2002 lincoln navigator with 5.8 engine and can you do it without removing inside dashboard?
Does a 2002 Mercury Sable have a heater coil?
If "heater coil" is just another term for "Heater core", then yes, most all cars have them.See "Related Questions" below for tons of information about Taurus / Sable heater cores.
How do you replace a heater core on 2002 camaro z28?
Remove the water from your 2002 Chevrolet Camaro cooling system. Remove the water supply hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Cost of heater fan for 2002 Ford Taurus?
Blower motors cost anywhere from $35-70. See "Related Questions" below for more
How do you remove and install the heater blower motor switch on a 2002 Ford Taurus?
Accessing the dashboard heater controls on 1996-2005 Taurus/Sables requires the integrated radio/heater control dash panel to be removed. Not hard at all - it's the same as removing a traditional Ford radio. See "Related Questions" below for detailed instructions.
What size engine does the 2002 Ford Taurus have?
The 2002 Ford Taurus has a V6 engine.
How many valves does the 2002 Ford Taurus have?
The 2002 Ford Taurus has 12 valves.
2002 Ford Taurus heater blow air?
The problem of a vaguely worded question....See "Related Questions" below for a range of possible relevant responses
