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Posted: 11/23/05
06:58 PM
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I have a 1999 Ford Taurus se wagon. It is a 3.0L V-6 engine. The heat is lukewarm. We have flushed the cooling system, changed the thermostat. You can hear the doors switching when you change the vent controls. We cannot find the answer in ANY of the automotive books. We would like to know if there is a sensor or a fuse or anything else it may be.
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Posted: 11/25/05
11:01 AM
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 jonathan11 wrote: I have a 1999 Ford Taurus se wagon. It is a 3.0L V-6 engine. The heat is lukewarm. We have flushed the cooling system, changed the thermostat. You can hear the doors switching when you change the vent controls. We cannot find the answer in ANY of the automotive books. We would like to know if there is a sensor or a fuse or anything else it may be.
Hello I have the same car. I believe your problem is related to a defective head gasket .This is a serious problem which i had 2 yrs ago.I had the gasket replaced and now the same thing is happening again.The dealer wanted $3000 to replace the gasket.
The first thing i noticed was the heat gauge red lining and the collant tank boiling dry.This causes the heater to get air blocked which stops the heated collant from cirulating .Even if you add collant it won't clear the air block as it constantly boils dry.Pressure from the engine is blowing thru to the water jacket and boiling it off.It actually ruptured the collant tank and a line behind the engine.Which i had replaced.Then on the way home the whole gasket blew and left me stranded on the highway. Lucky i had a friend mechanic replace it for $1000.
Now it's happening again.Good Luck!!!
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Posted: 11/28/05
07:58 PM
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jonathan11 wrote: I have a 1999 Ford Taurus se wagon. It is a 3.0L V-6 engine. The heat is lukewarm. We have flushed the cooling system, changed the thermostat. You can hear the doors switching when you change the vent controls. We cannot find the answer in ANY of the automotive books. We would like to know if there is a sensor or a fuse or anything else it may be.
I have a 1997 Ford Taurus Wagon that has the same engine. I had the same problem with little or no heat. I found the answer on the internet at another site. You need to find and trace down where your heater hoses go through the firewall. Disconnect the hoses from the metal tubes of the heater core. Use a garden hose to back flush the heater core. Flush it one way then connect the garden hose to the other metal tube coming from the heater core. Then repeat the first back flush until you see clear water coming out of the metal tube coming from the heater core. You may have to cut a piece of the garden hose to make a good connection to the metal tube coming from the heater core. Even if you have to buy the garden hose, the cost is less than $20 for a fix.
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