Radiator cap dealer versus AutoZone or advance auto parts Napa auto parts?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Bravojoe, Nov 4, 2022.

  1. Bravojoe

    Bravojoe Junior Member

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    Radiator cap dealer versus AutoZone or advance auto parts Napa auto parts? Called the local dealer and they told me it was gonna be 24 for the Oh radiator cap and $20 for pick up. Or I can get it shipped to my house and pay shipping. Has anybody had good luck with the local auto parts store regarding the radiator cap. Thanks for any help.
     
    #1 Bravojoe, Nov 4, 2022
  2. Bravojoe

    Bravojoe Junior Member

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    Car has been overheating and I realized coolant was overflowing into the reserve tank. Also I noticed it coming out from underneath the cap.
     
    #2 Bravojoe, Nov 4, 2022
  3. Tombukt2

    Tombukt2 Senior Member

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    Nothing special it has the PSI stamped on ear like most toyz do I believe.any store STANT. Had their leveR locks on toyz since 68
     
    #3 Tombukt2, Nov 4, 2022
  4. mr_guy_mann

    mr_guy_mann Senior Member

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    In general I don't have problems with aftermarket radiator caps. Overheating is not a common problem on a Gen2. Yes a bad cap can cause "boil over" and coolant loss.

    However, I would look over the rest of the cooling system as well. How is the water pump and its drive belt? Do you have a warning light coming on the dash? Radiator fans come on? Do you have any type of scantool device that would let you monitor the engine coolant temperature sensor from the ECM?

    Posted via the PriusChat mobile app.
     
    #4 mr_guy_mann, Nov 4, 2022
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  5. Georgina Rudkus

    Georgina Rudkus Senior Member

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    In this case. I stick with genuine Toyota.

    It is available with free shipping and delivery off of Amazon.

     
    #5 Georgina Rudkus, Nov 4, 2022
  6. yi3o8

    yi3o8 Junior Member

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    I agree with others saying that it’s likely not a cap. Is there any reason air would be in the system?
     
    #6 yi3o8, Nov 4, 2022
  7. Tombukt2

    Tombukt2 Senior Member

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    A leak or pinhole in a rubber product in system.
     
    #7 Tombukt2, Nov 4, 2022
  8. Georgina Rudkus

    Georgina Rudkus Senior Member

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    I'd go to Autozone and borrow their cooling system pressure tester and see if the system holds.
     
    #8 Georgina Rudkus, Nov 4, 2022
    Last edited: Nov 4, 2022
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  9. Bravojoe

    Bravojoe Junior Member

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    Thanks for all the replies I bought a new radiator cap from Napa. And Coolant is still being forced into the overflow tank. Also bought Harbor freight vacuum fill Airlift knock off. Still air in the system what it is doing is after 200 miles the coolant is being forced out to the overflow tank. I think it might just be a blown head gasket the car did overheat when the red triangle came on. The cause was a bad water pump replaced it. After that is when I started having problems with Coolant being forced into the reservoir tank but the crazy thing is oil looks good car runs fine get about 45 mpg no noticeable hesitation. I just have to blow the coolant back into the radiator by blowing on the small hose on the overflow tank. Lol
     
    #9 Bravojoe, Dec 12, 2022
  10. Bravojoe

    Bravojoe Junior Member

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    Does anybody know where I can find a good second generation Prius engine removal right up?
     
    #10 Bravojoe, Dec 12, 2022
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