1998 Ford Taurus Heater Then Cools Off

1998 FORD TAURUS
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BUZZ13
  • MEMBER
  • 1 POST
I have a 1998 Ford Taurus with 135,000 miles. It has been a good vehicle, but I have run into a problem I can't solve and neither can my mechanic. When i turn my heater on (set to high temp) I get a short blast of warm air and then it gradually cools off (cabin or outside air temp). I just had my termostat changed (thinking that might be the problem), and the cooling system flushed and refilled with anti-freeze (50/50 mix). The mechanic also checked the operation of the air diverting door under the dash. Everything seems to be working as it should, but I still have the problem. HELP before I freeze to death.

Thanks,
Buzz13
Jan 7, 2006 at 10:25 AM
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DB554
  • ✓Experienced Mechanic
  • 35 POSTS
either the thermostat needs to be replacded (i dought it) or the heater core is paricalli blocked and needs to be replaced and that would be my bet.
Jan 8, 2006 at 7:32 AM
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Suggested Repair

Replace the heater core, which is likely partially blocked. A thermostat problem is less likely because it was recently replaced.

Conversation Summary

The owner of a 1998 Ford Taurus reports that the heater gives a short blast of warm air and then cools to cabin or outside temperature. A thermostat replacement, cooling-system flush with 50/50 antifreeze, and a check of the air-diverting door did not fix it. The expert doubts the thermostat and recommends replacing a partially blocked heater core.

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