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Bleed coolant system?? 2002 Tacoma prerunner v6 3.4l

Discussion in '1st Gen. Tacomas (1995-2004)' started by Mc1368413, Feb 9, 2022.

  1. Feb 9, 2022 at 12:26 PM
    #1
    Mc1368413

    Mc1368413 [OP] Member

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    How to bleed coolant system after switching radiator??

    I didn’t bleed so temperature gets high + boiling water
     
  2. Feb 9, 2022 at 12:35 PM
    #2
    tirediron

    tirediron Well-Known Member

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    Nose up, rad cap off, run it up to temp. Ideally use a coolant funnel when filling. Did you orient the bleed hole in the thermostat correctly?
     
    High Noon and Mc1368413[OP] like this.
  3. Feb 9, 2022 at 12:38 PM
    #3
    Area51Runner

    Area51Runner Well-Known Member

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    Last edited: Feb 9, 2022
    Mc1368413[QUOTED][OP] likes this.
  4. Feb 9, 2022 at 1:21 PM
    #4
    e.deCastro

    e.deCastro Well-Known Member

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    Area51Runner[QUOTED] likes this.
  5. Feb 9, 2022 at 1:43 PM
    #5
    Mc1368413

    Mc1368413 [OP] Member

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    Bleed hole up

    biiling coolant in reservoir tank
     
  6. Feb 9, 2022 at 1:45 PM
    #6
    e.deCastro

    e.deCastro Well-Known Member

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    just use the spill proof funnel and fill it up start the vehicle and let it burp itself. easy peezy.

    and if you have to use water (i use distilled water to flush the whole system.) and only use oem toyota (i just bought some asin coolant) and dont use any water it's already pre mixed.
     
  7. Feb 9, 2022 at 2:19 PM
    #7
    brs127s

    brs127s Well-Known Member

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    Bleed valve on the t-stat should be down.
     
    Nessal likes this.
  8. Feb 9, 2022 at 7:57 PM
    #8
    Mc1368413

    Mc1368413 [OP] Member

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    Old thermostat had two holes in it, replaced with a new one down position, I try bleeding coolant system but temperature was too high thermostat wouldn’t open bottom hose is cold
     
  9. Feb 10, 2022 at 3:06 AM
    #9
    Bivouac

    Bivouac Well-Known Member

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    Remains to be seen I bought the tires and wheels the rest came along
    What prompted the new radiator??

    You might have more going on here.

    I have never had problems with the 3.4 with air pockets not like the 22R series engines.

    I just run the engine to the temperature comes up heater on full with the cap off.
     
  10. Feb 10, 2022 at 7:53 AM
    #10
    Mc1368413

    Mc1368413 [OP] Member

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    Thermostat won’t open
     
  11. Feb 10, 2022 at 9:21 AM
    #11
    Mc1368413

    Mc1368413 [OP] Member

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  12. Feb 10, 2022 at 10:47 AM
    #12
    Mc1368413

    Mc1368413 [OP] Member

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    I believe is the water pump truck just hit 170k
     

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