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what could be the problem if my car heater doesn't work!!?

6 Answers

  • 1 decade ago
    Favorite Answer

    More info would be nice.

    Make and model?

    Is there any air coming out?

    Is the engine getting hot?

    It is really hard to guess all this.

    Source(s): Auto tech 25 yrs
  • bobweb
    Lv 7
    1 decade ago

    Make sure both heater hoses are hot where they connect to the heater core at the passenger side firewall. If not, the heater core is plugged up.

  • 1 decade ago

    check your coolant, very easy fix, my car leaks coolant, so i know its low when the heater stops getting hot:-)

  • 1 decade ago

    Blowing cold air--- low coolant level

    No air volume--- vacuum line poped off or is cracked

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  • Joppie
    Lv 4
    1 decade ago

    Check the cable of the selector, both ends if they move or not ,to open the valve,

  • 1 decade ago

    you could have a bad thermostat.

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