Question about 2003 Hyundai Santa Fe

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2003 Santa Fe heater producing no heat.

The blower blows normal at all speed settings but I get no heat at all. I have adjusted the heat setting throughout the range. I have even turned the AC on and off, hoping to reset something, but cannot get any heat at all. What would cause this?

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  • ttjdoucette Jan 29, 2009

    Strange...I went to check hoses and started the vehicle. After running it I noticed it was giving a little heat so I ran it around the block and have heat. I had it out for a good drive earlier and had nothing. I did notice that the lights in the dash for P-R-N-D work fine but I have no lights for 1-2-3-4 when I use the 'manual' drive. Not sure what the technical name for the + - to the right of the shift is.

  • ttjdoucette Jan 29, 2009

    The lights were working fine on my earlier drive...

  • ttjdoucette Jan 29, 2009

    Whatever fixed it I don't know but the heat is there. Thanks for the help, Robert. Any idea about the lights?

  • ttjdoucette Jan 29, 2009

    I'll check it out

  • Roberta Smith
    Roberta Smith May 11, 2010

    lift up the hood and feel the hoses running into the heater core... are they both hot ?


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  • 5,158 Answers

Might have been a sticking thermostat.... or air... not sure if you squeezed the hoses


Posted on Jan 29, 2009

  • Roberta Smith
    Roberta Smith Jan 29, 2009

    could be a fuse or a relay... both located under the dash on the drivers side


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