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2004 Honda Civic Air Conditioning

Tiny
CBRETT2004
  • MEMBER
  • 2004 HONDA CIVIC
  • 200,000 MILES
The air conditioning seems to work ok, but when I turn the AC off and turn on the heat, it only seems to get warm for short periods of time, when im driving but not always when im driving.
What would be the most common issue that causes this?
Thanks
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Thursday, June 27th, 2013 AT 5:04 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,217 POSTS
It could be a couple things. First, make sure that both heater core hoses are getting hot when you are running the heater. If only one is hot, then chances are you have a plugged heater core. If both are getting hot, then I would recommend checking the blend air door which is located near the heater core and opens and closes based on if you want heat or AC.
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Thursday, June 27th, 2013 AT 5:55 PM
Tiny
CBRETT2004
  • MEMBER
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Ok thanks!
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Thursday, June 27th, 2013 AT 6:20 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,217 POSTS
Glad to help.
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Thursday, June 27th, 2013 AT 6:33 PM

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