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No heat in cab

Discussion in '6.0L Powerstroke Diesels' started by Adrenaline73, May 20, 2020.

  1. Adrenaline73

    Adrenaline73 Registered User

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    Hey guys I’ve recently got a 2004 6.0 I did head gaskets and some other stuff to it awhile ago. But I still don’t have heat in the cab I’ve checked the blend door it works and everything is hooked up if it gets up to operating temp I have heat for a split second then it goes back to cold air any ideas?
     
  2. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    Plugged heater core or not enough flow through the core
     
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  3. 79jasper

    79jasper Chickenhawk

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    Or could be low on coolant.

    Sent from my SM-N960U using Tapatalk
     
  4. Adrenaline73

    Adrenaline73 Registered User

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    I’ll look into a little more it’s full on coolant from what I can tell and I’m guessing you gotta pull the dash to do the heater core in the super duty?
     
  5. bismic1

    bismic1 Full Access Member

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    Do you have the vacuum operated valve on the coolant flow to the heater core?
     
  6. DaveBen

    DaveBen Supporting Member Supporting Member

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    No you do NOT have to pull the dash to get to the heater core. Just remove the glovebox and you are there. Remove the heater box cover and you are golden.
     
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