Whats everyones opinion on using Blue Devil or a head gasket sealer?

Discussion in 'Gen 3 Prius Main Forum' started by John A, Jul 19, 2020.

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  1. tonycd

    tonycd Member

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    One more vote: I agree with two comments made on this thread.

    1) Leadfoot's comment that both positive and negative comments on that merchant's site have been gamed. That's been documented extensively to be true.

    2) That said, I wouldn't go near sealer unless my car was worth $350 and I was losing a quart every 50 miles.
     
    #21 tonycd, Jul 21, 2020
    Leadfoot J. McCoalroller likes this.
  2. John A

    John A Junior Member

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    Ill look into your product, i saw a review on amazon using Bars from a 2010 Prius who said it worked like a champ. i did the service on the egr twice- once incorrectly and the second time with an 18 gauge wire about a week apart at 217k. im what you would call an inexperienced 2nd guessing DIY taking 4 times the amount of time it would take someone else:p
     
    #22 John A, Jul 21, 2020
  3. John A

    John A Junior Member

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    quart of coolant?
     
    #23 John A, Jul 21, 2020
  4. John A

    John A Junior Member

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    The one thing i dont like about your product is, it doesnt have many reviews:LOL:
     
    #24 John A, Jul 21, 2020
  5. Rob43

    Rob43 Senior Member

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    It's not my product, though I wish it was....


    Rob43
     
    #25 Rob43, Jul 21, 2020
    John A likes this.
  6. cnc97

    cnc97 Senior Member

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    Blue Devil is the gift that keeps on giving. I changed the thermostat and coolant today, as I was getting weird issues where the ICE was running when it shouldn’t. The lower hose off the coolant tank was 80% plugged with solid Blue Devil. I finally soaked the coolant tank in CLR and got it to rinse out, while breaking it up with a part of a metal hanger. My advice to anyone pondering a sealer versus repair, DO NOT use Blue Devil. This is the second time in the two years since I replaced the engine that Blue Devil has caused me issues.
     
    #26 cnc97, Jul 22, 2020
    The Critic, John A, Montgomery and 1 other person like this.
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