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So many radiator threads; here's the latest

Discussion in '1st Gen. Tacomas (1995-2004)' started by Kwikvette, Apr 20, 2019.

  1. Apr 20, 2019 at 10:18 AM
    #1
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    I've come across multiple radiator threads in my search to find out "what radiator fits best/easiest" and have seen multiple part numbers and manufacturers listed.

    The job looks stupid simple, so I don't need help with replacing it.

    I'd like to know what replacement is a direct fit for a 2001 V6 Automatic (Prerunner).

    I've read about mounting holes not lining up and such and would prefer something that fits without any customization. Post your brand/part number radiator you went with and how much you spent! Would like to order one today so I can tackle it on my days off.

    Second, what coolant are you running? I run Summit Non-Glycol in one Corvette and Red Line Supercool coolant in my other Corvette.
     
    GQ7227 likes this.
  2. Apr 20, 2019 at 10:28 AM
    #2
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
  3. Apr 20, 2019 at 10:32 AM
    #3
    BillsSR5

    BillsSR5 Looking out for #1

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    read my lips O-E-M
     
  4. Apr 20, 2019 at 11:03 AM
    #4
    Zerofear66

    Zerofear66 Well-Known Member

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    Can't argue that
     
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  5. Apr 20, 2019 at 11:08 AM
    #5
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    The Toyota parts department across the street hasn't called me back yet; left a voicemail.

    The parts manager there recommended awhile back that I go through their website; it gives people a discount vs buying in person since there is no actual 'person' taking the order online and it doesn't affect their sales/numbers.

    PS I'm a finance director at an automotive group across the street from Toyota. So yeah I'd like to go OEM, but the website shows 2 versions for an automatic Prerunner, and says neither of them are available to order.
     
    GQ7227 likes this.
  6. Apr 20, 2019 at 11:28 AM
    #6
    thenodnarb

    thenodnarb Well-Known Member

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    i thought they were no longer available. closest factory radiator is a denso.
     
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  7. Apr 20, 2019 at 11:31 AM
    #7
    BillsSR5

    BillsSR5 Looking out for #1

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    I think DENSO outsources a lot of parts now to China unfortunately, if AISIN made one its more likely Japanese(maybe)
     
    Bridge4 likes this.
  8. Apr 20, 2019 at 12:28 PM
    #8
    License2Ill

    License2Ill Woke like a Coma Toyota Tacoma

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    It's a dry heat thou, AZ
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    Oem is Harrison. So a GM radiator. I'd avoid OEM at all costs. They tend to have a tendency to leak or crack at the aluminum/plastic weld.

    I'd go Denso. I recommend Toyota Pink premixed, but I'm sure any coolant is fine as long as the different types aren't mixed.
     
  9. May 1, 2019 at 5:16 PM
    #9
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    Oh and here's why I replaced the radiator -

    20190501_145306.jpg

    The vehicle has never overheated, but I noticed that there was "dried coolant" on the radiator shroud. After inspection, I found this crack in the plastic tank. Again, the vehicle has never overheated even though it's really warm where I live, and I just replaced it as cheap insurance.

    20190501_124536.jpg

    20190501_145426.jpg

    Oh and when you swap your radiator out, you don't have to take apart your shroud -

    20190501_145232.jpg
     
    GQ7227 likes this.
  10. May 1, 2019 at 6:36 PM
    #10
    jeg0005

    jeg0005 Well-Known Member

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    I just did this the other day and I had the same issue. I had the funnel about half full and started squeezing the hoses until no more bubbles came out. Then I cranked the truck, flipped my scanguage around so I could see the water temps, and watched for bubbles. They started coming, once the slowed down I started squeezing the hoses again and more came out. Once I got up to temp (185), I squeezed some more and got the last bit out ( I hope). I've since driven it a few miles and it ran about 10 degrees cooler than it did before (changed the thermostat and put jiggle valve at 6).
     
  11. May 1, 2019 at 7:27 PM
    #11
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    Hmm, that's the thing though, I never got any air bubbles coming out and never had to refill at all for the entire 45 minutes that the truck was left on.

    I only had to refill when I squeezed the upper radiator hose a few times and that was when the truck was off.

    I drove it around for half an hour and the temperature is just slightly less than I'm used to seeing it.
     
  12. May 1, 2019 at 7:57 PM
    #12
    jeg0005

    jeg0005 Well-Known Member

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    Did you drain the fluid out of the engine? There should be some still left behind the thermostat, no?
     
  13. May 2, 2019 at 5:44 AM
    #13
    taco_blanco2005

    taco_blanco2005 Well-Known Member

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  14. Oct 21, 2019 at 4:54 PM
    #14
    TSAP

    TSAP Well-Known Member

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    I got that spectra premium radiator and it did the exact same thing I had to wait 45 minutes I thought it was my thermostat but it wasn’t the bottom hose got warm so I didn’t really worry about it too much been going strong though hopefully I can get 100k out of this one.
     
    Last edited: Oct 22, 2019
    Floridaze and GQ7227 like this.
  15. Apr 5, 2020 at 5:41 PM
    #15
    RacerP

    RacerP Well-Known Member

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    OK, reviving and old thread. Replaced my radiator with the Denso 221-3138... anyone have a part # for the cap that fits this??


    Installed the damn thing to realize my factory cap does not fit.
     
  16. Apr 5, 2020 at 5:44 PM
    #16
    Kwikvette

    Kwikvette [OP] Woke up and chose violence

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    King 2.5 Front/Rear, OME 890, 33s, Locked +
    I had purchased a new factory cap to go with whatever radiator that one was.
     
  17. Apr 6, 2020 at 9:11 AM
    #17
    RacerP

    RacerP Well-Known Member

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    I found the part# for factory cap. Same as my cap I have now. The ID of the neck on the Denso is about 2mm smaller than factory neck.
     
    BillsSR5 likes this.
  18. Jun 5, 2021 at 10:10 AM
    #18
    03TacoTony

    03TacoTony Member

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    Can someone link me to the radiator cap that fits the Denso 221-3138? I test fit the cap that is currently on my "Harrison" radiator and that one is a little too big.
     

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