Question about 1992 Ford Thunderbird

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No Heat on Idle, OK after I start driving

Its that time of year when I have to warm up the car to defrost the windows in the morning. Rear defrost works great, however, I'm not getting any heat onto the windshield while the car is idling in Park. After I drive about 2 miles, the heat is cranking just fine. Last Fall/Winter, this worked just fine as to help "warm the car up" before I scraped the windshield and dusted the snow off. Any suggestions as to what is the issue? Engine temp is fine (i.e., no overheating). I appreciate any help provided. 106,000 miles

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: No Heat in 99 Taurus

Just finished fixing my daughters 1999 taurus heat. It would blow warm only when running down the road. At idle it blew cold. I started with replacing thermostat, and water pump because they are the easier fix. Still did not help. Then I replaced the heater core. A daunting job but not that hard to move the dash slighly out of the way to replace. There is a good write up at tarusclub.com. After that, heat was better but at idle, it would still blow cool sometimes. Researched and found answer. Park car on the steepest hill you can find with front of car up. Start car and take off reservoir cap. Let car warm up and keep rpms about 1500. After a while the fluid will come running out of the car and all over the place but it will bring air bubbles with it. Reduce rpm, add more fluid and repeat about 3 times. It will make a mess but after that, the heater works perfectly. We get heat long before the temp gage indicates any and it never blows cold unless you lower the temp.

Posted on Nov 27, 2008

  • 341 Answers

SOURCE: Heat comes and goes

This is a common problem with the Taurus. You have an air lock in the system. You need drain the rad and open the cooling system at the highest point. This is usually the upper hose on the heater core.Fill the rad very slowly until the coolant comes out of the upper hose connection. Once done run the car with the hose reconnected and the rad cap off.Put a container under the rad filler.Run the car until it comes up to temp.Slowing top off the rad with the car still running. This should do it.

Posted on Nov 29, 2008

  • 7 Answers

SOURCE: Ford Windstar SE, 3.8L V6, 1999, front seat heat/defrost is cold

the blendor actuators strip out the gear inside the actuator cases on these all the time. replace the actuator.

Posted on Mar 19, 2009

  • 972 Answers

SOURCE: Same issue with the rough idle with a warm engine 4.0 Ranger

i would think a plugged fuel injector on # 6 cylinder could be the problem,or a big vacuum leak at that cylinder
a valve burnt/stuck could be but you dont see much of that anymore
could be coolant leaking into cylinder from leaky haed gasket but you would have to add coolant every so often
i would check #6 cyl. spark plug after driveing around a while if it looks new, ie no deposits on it then an injector would be what i would change next

Posted on Mar 20, 2010

  • 92 Answers

SOURCE: My daughter has a 2001 Ford Focus with 79,000

Ford had a recall/ extended coverage on the fuel pumps in the focus vehicles. Do you know if this was done? If not call a ford dealer with your Vehicle identification number (located in drivers door jam or on registration) and they can let you know if it was done. The concern with the fuel pumps was that they would stop working when they got hot. The replacement pumps were free. It can't hurt to call and ask.

Posted on Apr 05, 2010

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Starting with the temperature problem. My initial concern is whether the thermostat is weak, but also that the automatic controls may be inoperable and working against you. The car is suppose to go into a temporary "cold start routine" which increases the RPM and makes the fuel rich. (This could contribute to the gas smell)

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Just finished fixing my daughters 1999 taurus heat. It would blow warm only when running down the road. At idle it blew cold. I started with replacing thermostat, and water pump because they are the easier fix. Still did not help. Then I replaced the heater core. A daunting job but not that hard to move the dash slighly out of the way to replace. There is a good write up at tarusclub.com. After that, heat was better but at idle, it would still blow cool sometimes. Researched and found answer. Park car on the steepest hill you can find with front of car up. Start car and take off reservoir cap. Let car warm up and keep rpms about 1500. After a while the fluid will come running out of the car and all over the place but it will bring air bubbles with it. Reduce rpm, add more fluid and repeat about 3 times. It will make a mess but after that, the heater works perfectly. We get heat long before the temp gage indicates any and it never blows cold unless you lower the temp.

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