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2011 Prius startup noise

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Raphael Muscarelle, Oct 5, 2019.

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  1. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    Yeah I'm surprised too but I can't really confirm if threads were leaking or not. I can say now it isn't leaking there now
    Posted via the PriusChat mobile app.
     
    #181 Raphael Muscarelle, Nov 1, 2019
  2. The Critic

    The Critic Resident Critic

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    Do you have a picture?


    iPhone ? Pro
     
    #182 The Critic, Nov 1, 2019
  3. ASRDogman

    ASRDogman Senior Member

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    What was leaking???? Valve cover?


     
    #183 ASRDogman, Nov 1, 2019
  4. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    I don't think the valve cover is. I have yet to look up top with the UV in it. It looks like it where the head gasket is behind timing cover. I didn't put extra silicone on the joint when I fixed timing. So the timing cover probably has to come off.
    Posted via the PriusChat mobile app.
     
    #184 Raphael Muscarelle, Nov 2, 2019
  5. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    Really hard to capture. It's probably leaking all down the silicone really need the UV to see this type of leak.. IMG_20191101_163118.jpeg

    Posted via the PriusChat mobile app.
     
    #185 Raphael Muscarelle, Nov 2, 2019
    mjoo likes this.
  6. ASRDogman

    ASRDogman Senior Member

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    mm All I see is the blacklight. :)
    Oil leaks can be a pain. Doesn't make it easier when you can't get in to see things.
     
    #186 ASRDogman, Nov 2, 2019
  7. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    Hard to get good photo of UV. It actually starts above that. I'm planning on resealing timing cover next week. 1853981944.jpeg

    Posted via the PriusChat mobile app.
     
    #187 Raphael Muscarelle, Nov 2, 2019
  8. ASRDogman

    ASRDogman Senior Member

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    I'll take your word for it. :) It looked like a lot of permatex to me. But at least you know where it's
    leaking from and can fix it.

     
    #188 ASRDogman, Nov 2, 2019
  9. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    #189 Raphael Muscarelle, Nov 2, 2019
  10. The Critic

    The Critic Resident Critic

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    Did you follow the pattern in the FSM and squeeze your bead of silicone on the inside portion of the holes?


    iPhone ? Pro
     
    #190 The Critic, Nov 2, 2019
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  11. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Here's the instruction. I think for DIY, with the engine remaining in the car, you will only do the application at the engine split line directly on the engine, the rest you would apply on the cover?
     

    Attached Files:

    #191 Mendel Leisk, Nov 2, 2019
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  12. ASRDogman

    ASRDogman Senior Member

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    Phone camera's suck! They are better than nothing, but that's about it.


     
    #192 ASRDogman, Nov 2, 2019
  13. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    Ok took off timing cover and started cleaning RTV off and right where it looked like it was leaking the RTV just wiped right off. Yeah that's confirmation that RTV was doing nothing.

    I had ordered mahle jv5188 timing gasket set. I'm very impressed with the RTV they use. It's thicker, stickier, and seems to dry faster then permatex ultra grey.

    Posted via the PriusChat mobile app.
     
    #193 Raphael Muscarelle, Nov 7, 2019
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  14. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Maybe ask for this stuff at a dealership parts department:

    Toyota Genuine Seal Packing Black, Three Bond 1207B
     

    Attached Files:

    #194 Mendel Leisk, Nov 7, 2019
  15. The Critic

    The Critic Resident Critic

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    Sounds like your surface was not prepped correctly. RTV never wipes off in the manner described.


    iPhone ? Pro
     
    #195 The Critic, Nov 7, 2019
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  16. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Permatex Ultra-Grey is recommended as an alternative, here:

    Three Bond 1207 B sealant alternatives?

    I think Permatex recommends to use fresh tubes too, after it's been opened and sitting around for a few years, it's not that good?

    Ah woops, that's what you used??
     
    #196 Mendel Leisk, Nov 7, 2019
  17. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    Yeah I did use new ultra grey.

    Not impressed with ultra grey.
    Posted via the PriusChat mobile app.
     
    #197 Raphael Muscarelle, Nov 7, 2019
  18. Raphael Muscarelle

    Raphael Muscarelle Active Member

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    #198 Raphael Muscarelle, Nov 7, 2019
    Mendel Leisk likes this.
  19. ASRDogman

    ASRDogman Senior Member

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    mmm The right tool for the job.. imagine that! :)
    Well, you learned something, and since you've removed the timing cover in and out of the car,
    you have experience with both now! :)
    And like "thecritic" stated, the surface probably had a little oil or grease on it, that's why it didn't stick.

    But, now you know, and you'll repair it and it won't leak...


     
    #199 ASRDogman, Nov 7, 2019
    Last edited: Nov 7, 2019
  20. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Acetone the best bet for cleaning?
     
    #200 Mendel Leisk, Nov 7, 2019
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