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Tiny
FIST72
  • MEMBER
  • 1994 HYUNDAI SONATA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
Heater workers temporarily and only as long as the car has been warmed up. Once the heater is turned on the heat only lasts as long the temperature guage remains in the "hot" zone but quickly drops to the "cold" zone.
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Sunday, January 30th, 2011 AT 9:16 PM

3 Replies

Tiny
FIXITMR
  • CERTIFIED MECHANIC
  • 9,989 POSTS
Sounds like it might be the thermostat. Do you mean you drive car and temp drops quickly?
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Sunday, January 30th, 2011 AT 9:36 PM
Tiny
FIST72
  • MEMBER
  • 2 POSTS
No, the cars temperature remains half way between hot and cold while the heater is off but once the heater is turned on then the temperature guage drops the cold and the hot air stops.
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Monday, January 31st, 2011 AT 12:42 AM
Tiny
FIXITMR
  • CERTIFIED MECHANIC
  • 9,989 POSTS
I would try a new thermostat.
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Tuesday, February 1st, 2011 AT 2:07 AM

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