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No hot air. Will replacing my thermostat fix this problem?

Discussion in '1st Gen Tundras (2000-2006)' started by BurgundyTundy, Nov 13, 2018.

  1. Nov 13, 2018 at 7:44 AM
    #1
    BurgundyTundy

    #1
    BurgundyTundy [OP] New Member

    Joined:
    Aug 5, 2017
    Member:
    #8917
    Messages:
    4
    Gender:
    Male
    First Name:
    Rob
    Vehicle:
    2002 Tundra SR5
    As the weather gets cold I switched from AC to heat but it only blows cold air.

    I recently got a new radiator and transmission cooling pump. During this they flushed the radiator.

    I will be replacing the thermostat soon, but I've read that there may be another problem causing this.

    I'm wondering what the problem is and if any tutorials on how to fix them are out there.
     
    BurgundyTundy, Nov 13, 2018
    #1
  2. Nov 13, 2018 at 7:47 AM
    #2
    ColoradoTJ

    #2
    ColoradoTJ Certified tow LEO Staff Member

    Joined:
    Feb 24, 2016
    Member:
    #2766
    Messages:
    35,931
    Gender:
    Male
    Colorado
    Vehicle:
    LML 3500HD
    Calibrated Power 5 Tune pack, Allison 1000 tune, PPE deep trans pan, Cold/Hot CAC pipes, Banks CAI, PCV reroute, resonator delete, S&B 62 gal fuel tank, B&W GN hitch
    Hey Rob. You may have a heater core issue.

    Are you handy with basic tools?
     
    ColoradoTJ, Nov 13, 2018
    #2
  3. Nov 13, 2018 at 7:50 AM
    #3
    BurgundyTundy

    #3
    BurgundyTundy [OP] New Member

    Joined:
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    Member:
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    Messages:
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    Gender:
    Male
    First Name:
    Rob
    Vehicle:
    2002 Tundra SR5
    Yes I am. I tend to do most projects with the supervision of my dad because I'm still young.
     
    BurgundyTundy, Nov 13, 2018
    #3
    because_wumbo-truck likes this.
  4. Nov 13, 2018 at 8:05 AM
    #4
    ColoradoTJ

    #4
    ColoradoTJ Certified tow LEO Staff Member

    Joined:
    Feb 24, 2016
    Member:
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    Messages:
    35,931
    Gender:
    Male
    Colorado
    Vehicle:
    LML 3500HD
    Calibrated Power 5 Tune pack, Allison 1000 tune, PPE deep trans pan, Cold/Hot CAC pipes, Banks CAI, PCV reroute, resonator delete, S&B 62 gal fuel tank, B&W GN hitch
    Great. Is your motor coming up to operating temperature?

    Remove your heater core hoses, drain coolant, flush out.

    Use some CLR (you can get it cheap at Walmart), fill up heater core and tie up hoses and let it sit for a bit. Drain and flush really good. Hook hoses back up, top off coolant after you start truck.
     
    ColoradoTJ, Nov 13, 2018
    #4
  5. Nov 13, 2018 at 8:13 AM
    #5
    BurgundyTundy

    #5
    BurgundyTundy [OP] New Member

    Joined:
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    Messages:
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    Gender:
    Male
    First Name:
    Rob
    Vehicle:
    2002 Tundra SR5
    My truck is heating up correctly and running good for these temps.

    Ill talk to my dad and we will try it out. Thanks.
     
    BurgundyTundy, Nov 13, 2018
    #5
    ColoradoTJ likes this.
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