water blowing from radiator cap under load only

Discussion in 'Peterbilt Forum' started by hot shootins Haulin, Nov 5, 2021.

  1. hot shootins Haulin

    hot shootins Haulin Bobtail Member

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    Nov 5, 2021
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    can anyone give there professional advice could this be the precooler and not the Head I had a new head put on her 200000 mi ago I would like to know how to check the precooler before we get into the head
     
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  3. Lazer

    Lazer Road Train Member

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    First try a new cap, they don’t last forever.
     
    beastr123 Thanks this.
  4. hot shootins Haulin

    hot shootins Haulin Bobtail Member

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    Nov 5, 2021
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