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Oil Leak on 21' 4R (Pics) Thoughts?

Discussion in '5th Gen 4Runners (2010-2024)' started by JR7, Jan 28, 2024.

  1. Jan 28, 2024 at 3:27 PM
    #1
    JR7

    JR7 [OP] New Member

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    Doing a once over on fluids and a quick look over I noticed oil and dirt covering the alternator. Well I kept looking and saw oil on the oil cooler way down low. Moved to the passenger side and noticed a tube below the dip stick that appears to be an oil tube from the head to the block had nice wet looking oil coming out of the block end where it attaches. Got only 40k miles on it. Anyone seen similar leaks happening on their newer vehicles? Attached pics

    IMG_0047.HEIC.jpg IMG_0048.jpg IMG_0052.HEIC.jpg IMG_0055.jpg IMG_0056.HEIC.jpg IMG_0058.jpg
     
  2. Jan 28, 2024 at 5:13 PM
    #2
    ChessGuy

    ChessGuy New Member

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    Never seen anything like this. But good thing you got in there and check this before it gets any bigger. Wonder if there is a small crack on that line going into the block. Let us know what you find out. Good luck.
     
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  3. Jan 28, 2024 at 6:15 PM
    #3
    JR7

    JR7 [OP] New Member

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    Yeah going to zip it in to the stealership tomorrow morning just to get them on it. If it were just the passenger side I'd be a bit more "ok" with it but I can't even tell where the drivers is coming...
     
  4. Jan 28, 2024 at 7:04 PM
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    RumHamRunner73

    RumHamRunner73 Dead on with a zero

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    Ask if they can add some dye to the oil.
     
  5. Jan 28, 2024 at 7:37 PM
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    Slopemaster

    Slopemaster Slope Survivalist

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  6. Jan 30, 2024 at 1:20 PM
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    JR7

    JR7 [OP] New Member

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    So apparently it's a timing cover leak. Needs to be re-sealed. I don't think this is too common. Let me know if anyone has heard of this happening? Covered under warranty btw.
     
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  7. Jan 30, 2024 at 1:46 PM
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    Rocko9999

    Rocko9999 New Member

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    Toyotas are notorious for timing cover leaks. Very common.
     
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  8. Jan 30, 2024 at 2:29 PM
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    JR7

    JR7 [OP] New Member

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    Just got off work and did some searching here. I see a few threads now that I know what to search for. Well that sucks. But it could be worse.
     
  9. Jan 30, 2024 at 2:36 PM
    #9
    Rocko9999

    Rocko9999 New Member

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    FWIW, my wife's 2005 Corolla has had one since basically new. Has not gotten much worse in over 200K miles. Doesn't lose oil between changes, just isn't pretty to look at. I clean it once year and have a oil absorbent carpet under where it's parked. Not worth the money for us to fix it.
     
    Startrek likes this.
  10. Jan 30, 2024 at 5:01 PM
    #10
    McSpazatron

    McSpazatron New Member

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    Yeah, sometimes it makes more sense to do nothing, especially if oil isn’t making it to the ground. Hopefully that’s the situation with this one.

    I found oil weepage on the case seam of my Sienna transmission when it was new. I didn’t enjoy the thought of anybody tearing into a brand new car, much less if they decided to split the case and reseal. So I monitored it. Never got worse in 16 years.
     
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  11. Jan 30, 2024 at 5:18 PM
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    Technologic80

    Technologic80 Sexy Member

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    Wow..glad you posted those pics so I can pay attention to that area. Have read about timing cover leaks on the forums, I guess sometimes its not a matter of if but when.

    Curious, will the dealer clean up the mess that the oil made?? Or are you left to it. On second thought, the image of an inexperienced dealer tech power washing the alternator just gave me shivers :eek: I think if it were me, I'd ask them to leave it for ME to clean so I know its not done in a boneheaded manner to give me grief down the road, out of warranty.....
     
  12. Jan 30, 2024 at 5:53 PM
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    JR7

    JR7 [OP] New Member

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    I don't mind cleaning it but I'd hope he'd tidy up while in the area. Agreed on the rest. I can just do it. Got the appt next Monday for the repairs, will get a loaner. Being very familiar w/ Toyota's I somehow missed this being an issue. It's the wife's car so I like to keep it 100%. I'm glad I don't have to wrench on it in this fashion just yet.

    I've been all up in my 04 Taco and had it apart many times but it's pushing a solid 20 years and 300k. I expect to go a lot longer before diving into the engine. I get really iffy on people doing work on my cars but if it's free and covered...I'll give it a go.
     
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  13. Jan 30, 2024 at 8:38 PM
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    Startrek

    Startrek New Member

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    OP: dealer definitely like it to repair under warranty and Toyota will cover labor and parts. we can only guess what they will screw up in-process to make you come back, warranty or not. If it not dripping on a ground - consider it is a rust protection.
     
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  14. Jan 30, 2024 at 9:15 PM
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    Yotaholic

    Yotaholic New Member

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    And "Jeeps are bad" :rolleyes:
     
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  15. Jan 31, 2024 at 5:36 PM
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    Technologic80

    Technologic80 Sexy Member

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    My ex-wife has a Wrangler, that I pay for. Enough reason for me to loathe them. Also, I hope her vagina catches fire.
     
  16. Jan 31, 2024 at 7:11 PM
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    RumHamRunner73

    RumHamRunner73 Dead on with a zero

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    Damn, sounds like my past divorce(s).
     
  17. Feb 1, 2024 at 7:50 AM
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    elpeyote

    elpeyote New Member

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    Especially with the 3.5 in the Taco
     
  18. Feb 1, 2024 at 8:31 AM
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    zonzin

    zonzin New Member

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    Wow, that's the first oil leak I have ever seen on a Gen5.



    .
     
  19. Mar 15, 2024 at 8:10 PM
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    JR7

    JR7 [OP] New Member

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    Just realized I never updated... 5k in parts and labor and it's all set. Glad it wasn't on my dime. Took a week.
     
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