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New truck, new leak...

Discussion in '3rd Gen. Tacomas (2016+)' started by satburn, Jan 19, 2019.

  1. Jan 19, 2019 at 9:33 AM
    #1
    satburn

    satburn [OP] Fast, Cheap, Reliable... Pick any two.

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    Thought I would take a moment to share my experience.

    Preface: All is good now.

    Shortly after taking delivery (before the first service interval) I began to notice the distinct aroma of oil being cooked on something hot. Mostly after an acceleration or parking on an incline. I immediately took it back to the dealer and they examined the truck. They added an additive to the oil to help locate the leak, kept it for the day and was unable to find it. Sent me home and said: "It is likely a timing cover leak (15hrs labor) or a valve cover leak (2hrs labor)".

    Fast forward to last week, I'm backing into the garage and I see a cloud come over the right fender. I pop the hood and jump out. And I find:



    Oil on the heat shield, oil on the manifold and oil around the area of that one bolt on the valve cover. My guess is that when the leak was "new" it was dripping down behind that heat shield and directly on the exhaust which was hiding the issue.





    Took it back (with pics) and they got right on it. Confirmed it was the valve cover gasket and cleaned it all back up. Happy ending... with a bonus. I was one of the early adopters of TSB 0058, but there has been a long standing issue both before and after with a "miss", which is exactly like having a cylinder lay down on you due to a loose or faulty plug wire. It wasn't consistent, was more pronounced under a load and while "lugging" it. After they replaced my valve cover (which required both the battery to be disconnected and pull the coils) this "miss" is gone. Not sure if "valve cover guy" was also "ignition coil guy". I will keep an eye on it and see if the ECM relearn is perhaps hiding the issue and will post back after 2,000 miles.

    Food for thought...

    Shout out to Joe Machens Toyota in Columbia, Clay in Service and the mechanic for not jumping the gun and replacing stuff all willy-nilly.
     
  2. Jan 19, 2019 at 10:03 AM
    #2
    oconnor

    oconnor Where am I?

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    Every guy likes a Happy Ending.
     
  3. Jan 19, 2019 at 12:59 PM
    #3
    slowtacotruck

    slowtacotruck Well-Known Member

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    stuff
    Ain't that the truth.
     
  4. Jan 19, 2019 at 5:47 PM
    #4
    HTOWN4X4

    HTOWN4X4 Well-Known Member

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    :rofl::thumbsup:
     
  5. Jan 19, 2019 at 5:52 PM
    #5
    BillsSR5

    BillsSR5 Looking out for #1

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  6. Jan 20, 2019 at 1:46 PM
    #6
    Eatmorevegtables77

    Eatmorevegtables77 Well-Known Member

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    That's crazy you have an 18, but glad if it was gonna happen it happened earlier than later.atleast it was covered.best of luck the rest of the way.
     
  7. Jan 20, 2019 at 2:03 PM
    #7
    The hammer

    The hammer Who’s the Wrench?

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    Underworld Flex trifold, tinted, TRDPRO grill, TRDPRO shift knob, etc,etc
    All that matters

     
  8. Jan 20, 2019 at 2:13 PM
    #8
    satburn

    satburn [OP] Fast, Cheap, Reliable... Pick any two.

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    Yeah, out of all the possibilities, this wasn't too bad. I did go ahead and contact Toyota directly about it and they have started a ticket. May not amount to anything since my issue seems to be isolated. I am curious though, if the "miss" that others are complaining about could be related to an improperly installed coil that was corrected after they replaced my gasket? Now that would be worth all the trouble if it helps others.

    Otherwise, so far I am very pleased with it. No miss, no weird shifts and it doesn't smell, lol.
     
  9. Jan 20, 2019 at 2:16 PM
    #9
    The hammer

    The hammer Who’s the Wrench?

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    Underworld Flex trifold, tinted, TRDPRO grill, TRDPRO shift knob, etc,etc
    That would be my assumption yes

    [​IMG]
     
  10. Jan 20, 2019 at 2:29 PM
    #10
    Lt. Dangle

    Lt. Dangle RIP @stun gun 2016-2020

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    My truck has had a miss for 34k miles that goes away with premium fuel. Pre and post tsb was the same. Not a bad coil for me unfortunately.
     
  11. Jan 20, 2019 at 4:59 PM
    #11
    Eatmorevegtables77

    Eatmorevegtables77 Well-Known Member

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    Swear I can feel a miss when I'm going between 40_45mph,but thought it was me
     
  12. Feb 25, 2019 at 1:23 PM
    #12
    satburn

    satburn [OP] Fast, Cheap, Reliable... Pick any two.

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    Update: 2,000 miles in and no leaks and the "miss" is still gone.
     
    Eatmorevegtables77 and TRDPro916 like this.
  13. May 7, 2019 at 5:58 PM
    #13
    Mike13027

    Mike13027 Well-Known Member

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    Weathertech mats, FLEX tonneau, weathertech vent visors
    I have a 2019 Sport and sometimes I feel as if the truck is stuttering at or around 40-45 mph. I thought it was just the weird shifting Tacoma’s are known for but after reading your post maybe not. I have not noticed or smelled an oil leak however. I guess something I should keep an eye on.
     
  14. May 7, 2019 at 7:16 PM
    #14
    ICU1

    ICU1 Well-Known Member

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    I’m really emotional about OP’s outcome.
    This is such great news in a world of Taco eater.
    137937AB-33AE-4A7B-897C-124BED932CA8.jpg
     
    satburn [OP] likes this.
  15. May 7, 2019 at 7:36 PM
    #15
    Ronzio

    Ronzio Well-Known Member

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    Glad to hear the dealership provided workers skilled in the task assigned to them....cuz the alternative would be watching them fumble about and fuck it all up!
     

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