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coolant hose options?

Discussion in '1st Gen. Tacomas (1995-2004)' started by JustADriver, Feb 1, 2023.

  1. Feb 1, 2023 at 5:33 PM
    #1
    JustADriver

    JustADriver [OP] Well-Known Member

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    The coolant bypass hose with a 180 degree bend in it that attaches to the IAC valve has been discontinued. Part 1626162050.

    I have this silicone hose for it and elsewhere. ID is 5/16" (8mm).
    https://www.amazon.com/gp/product/B010APVTFO/

    Its bending radius is not good here. I have to position it carefully and hope it doesn't kink. Has anyone found something that bends better? Does rubber typically bend better without kinking than silicone? Maybe I should just find something with a thicker wall? I used the hose for a few spots to replace my worn out old rubber hoses.
     
  2. Feb 1, 2023 at 7:11 PM
    #2
    1997tacomav6

    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 780k

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    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 780,001 plus miles, Original Owner
    V6 5sp,RegCab,TVS1320 Supercharger, 56mm pulley, methanol injected Haltech ECU, AC Tvs1320 supercharger,(MUST DO) every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 56mm custom pulley, (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ATM Pathfinders Dynopro ATM ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back dual exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, bucket seats corbeau lg1 Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks, King shocks JBA UCA trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Marlin crawl shift kit. Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Snow Methonal kit stage 2 Custom 3 core aluminum radiator Linex bed liner Haltech stand alone ECU, Intake supercharger gauge. Stainless steel brake lines, Custom leather wrapped steering wheel, Haltech stand-alone ECU,
    You might be able to use part number
    16261-62060

    16261-62050
     
  3. Feb 1, 2023 at 7:28 PM
    #3
    O'Silver_Taco

    O'Silver_Taco Well-Known Member

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    3rz to 2Rz bebuilt block and new heads
    That's exact hose I used......

    CIMG4901.jpg
     
  4. Feb 1, 2023 at 7:30 PM
    #4
    O'Silver_Taco

    O'Silver_Taco Well-Known Member

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    3rz to 2Rz bebuilt block and new heads
    ...you can use extra line and loop it out futher.....even completely reroute like I did the IAC air feed......decongest whats under the throttle body a little....

    I understand yours is a little different....but same strategy....
    InkedCIMG4901.jpg
     

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    Last edited: Feb 1, 2023
  5. Feb 1, 2023 at 7:37 PM
    #5
    O'Silver_Taco

    O'Silver_Taco Well-Known Member

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    3rz to 2Rz bebuilt block and new heads
    The only factory hose I have left on mine is that feed line that comes off the metal heater bypass line below and back of engine ......it feeds hot water into the egr valve.........

    that one's a little tricky with its two bends and its importance,.....so new oem there.....and I keep a new sealed in plastic backup one.....


    even the pcv line on mine is snowmobile fuel line now......



    Amazon.com: TOYOTA 16267-75010 Engine Coolant Bypass Hose : Automotive

    61vqihP0RKL._AC_SX679_.jpg
     
    Last edited: Feb 2, 2023
  6. Feb 2, 2023 at 12:21 PM
    #6
    JustADriver

    JustADriver [OP] Well-Known Member

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    1996 Tacoma 3.4L V6 2WD 5-lug AT 5VZ-FE
    Great, I could definitely route a longer section of this hose out away from the throttle body and solve the issue. I guess I got it in my head that the hose maybe was supposed to be about a certain length because of the timing of coolant flow. I don't understand how all that is handled, other than the thermostat opens up when the engine gets to temp.
     

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