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Heater not working?

Tiny
IARELLANO
  • MEMBER
  • 1 POST
  • 2002 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 72,000 MILES
My wife noticed that our mini van was not warming up even though she left the car on for 10 minutes. Also, when she was driving the mini van and had the heater on she noticed that when she was stopped at a red light, cold air came out. When she was driving hot air came out. What could be the problem?
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Monday, November 2nd, 2020 AT 8:12 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,170 POSTS
Hi:
First, check the coolant level. Low coolant could cause this problem. However, when you say it wasn't getting warm did you mean the engine? If so, replace the therostat.

Let me know if you have other questions, or if this helps.
Joe
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Monday, November 2nd, 2020 AT 8:12 AM (Merged)

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