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HELP--broken coil bolt

Discussion in '2nd Gen. Tacomas (2005-2015)' started by 06aztaco, Mar 16, 2010.

  1. Mar 16, 2010 at 1:30 PM
    #1
    06aztaco

    06aztaco [OP] Screw you guys, I'm going home.

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    I was changing my spark plugs for the first time on my '06 v6 taco this morning and when re-installing a bolt that holds on a coil, the bolt snapped about half way through the threaded area. Any suggestions on how to get it out and get another bolt?
    also thanks chris4x4 for the install instructions.
     
  2. Mar 16, 2010 at 1:32 PM
    #2
    j0sh

    j0sh Well-Known Member

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  3. Mar 16, 2010 at 1:34 PM
    #3
    06aztaco

    06aztaco [OP] Screw you guys, I'm going home.

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    do you know where to get that besides online? checkers, autozone, etc. for example?
     
  4. Mar 16, 2010 at 2:21 PM
    #4
    aficianado

    aficianado Well-Known Member

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    back to bone stock.
    now how did this happen? that is a pretty minor fastener. how did it break?

    is any bit of it sticking out? post up a picture. they make a thin, reverse twist drillbit. since you will need to drill it, may as well drill it backwards. you could get lucky and spin it out.

    SEARS is your friend right now.
     
  5. Mar 16, 2010 at 2:39 PM
    #5
    06aztaco

    06aztaco [OP] Screw you guys, I'm going home.

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    I was just tightening the bolt down and it snapped. Sorry the pictures are so bad its hard to get in there. Like I said there should be about twice as much thread on the bolt. About one millimeter of the broken part is sticking out. :(

    downsized_0316001429.jpg
    downsized_0316001427.jpg
    0316001430.jpg
     
  6. Mar 16, 2010 at 2:45 PM
    #6
    surfsupl

    surfsupl Well-Known Member

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    If their is enough of it sticking up you might try some needle nose vice grips.............worked for me before.....................good luck........
     
  7. Mar 16, 2010 at 2:49 PM
    #7
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    you may need to cover the spark plug hole with a rag and use a very small drill bit on the broken bolt and try an ez out.
     
  8. Mar 16, 2010 at 2:49 PM
    #8
    aficianado

    aficianado Well-Known Member

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    1mm isnt alot. i would attack it two ways. do you think it is loose? it isnt bottomed out or under tension...should be loose. unless you xthreaded it, then different problem. if it is loose you can cut a slot in it with a dremel, and back it out with a flat bladescrewdriver.

    or drill it and take it out with a screw extractor. at sears, or any decent hardward store.
     
  9. Mar 16, 2010 at 2:50 PM
    #9
    aficianado

    aficianado Well-Known Member

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    back to bone stock.
    ^^^yes. EZ outs work great. like this.

    extract.jpg
     
  10. Mar 16, 2010 at 2:52 PM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    THIS. Very important to cover the spark plug well.
     
  11. Mar 16, 2010 at 2:56 PM
    #11
    Mr_Torque

    Mr_Torque Buy the Ticket take the Ride.....

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    That is not a good spot to break a bolt. Dry seizing a steel bolt in aluminum is a bitch to remove. First get the coil out of the way and stuff paper towels or a rag in the spark plug hole. If there is any thread sticking out spray it with some penetrating oil and wait for it to soak. Take a steel hammer and give the broken bolt a couple of careful sharp hits. Now take a good pair of vise grips and try to turn the bolt out.
    Unless you're really good at drilling stuff out a would recommend finding someone who has experience. If you screw it up it could get expensive.
    If you don drill make sure to start small...you can always drill bigger. Good luck and don't forget the "Never Sieze".
     
  12. Mar 16, 2010 at 2:56 PM
    #12
    06aztaco

    06aztaco [OP] Screw you guys, I'm going home.

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    alright thanks guys. anybody know where to get a replacement bolt?
     
  13. Mar 16, 2010 at 2:59 PM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    The bolt hole for the coil is steel lined. Odds are, he got it cross threaded, and snapped the bolt.
     
  14. Mar 16, 2010 at 3:00 PM
    #14
    djs05tacoma

    djs05tacoma Well-Known Member

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    I'v used the flat blade method a few times after breaking a few ez outs. if you go the EZ out method make sure you a get the hole started in the center other wise you might be in trouble, and keep in mind that ez outs are very brittle and easy to break.

    If you've never dealt with the ez out and there is enough bolt sticking out at the top to notch out for a flat blade then I'd suggest trying that method first. If you get a hacksaw blade cut down nice and short and get a good line across that bolt you should probably be ok.
     
  15. Mar 16, 2010 at 3:05 PM
    #15
    Sparky4.0

    Sparky4.0 Well-Known Member

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    1 thing no1 has said is to weld the vise grips to the bolt. as it will be a pain in the arse to get a seized steel bolt out of aluminum. but only do this as a last resort!!
     
  16. Mar 16, 2010 at 3:12 PM
    #16
    nuckinfuts

    nuckinfuts NyQuil on the rocks.

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    Sounds like you have plenty of options to try. I'd use a piece of tape over the plug hole instead of cramming it full of rags. Also, if you end up going the ez-out route get a center punch to line up that first drill bit in the center of the bolt. Drill slowly and be sure you're drilling it in straight.
     
  17. Mar 16, 2010 at 3:21 PM
    #17
    06aztaco

    06aztaco [OP] Screw you guys, I'm going home.

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    yeah I should be able to get it out pretty easy. its just on the driver side so all those hoses are in the way unlike the passenger side. so no suggestions on a replacement bolt?
     
  18. Mar 16, 2010 at 3:24 PM
    #18
    nuckinfuts

    nuckinfuts NyQuil on the rocks.

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    Take one of the other coil bolts out (without breaking it) and use it to size a new bolt at the auto parts store or local hardware store. Ideally you would go to the dealer and pick up the 'correct' bolt.
     
  19. Mar 16, 2010 at 3:25 PM
    #19
    Taco John

    Taco John Well-Known Member

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    Take one of the good ones to your local Ace, True Value, etc. They can probably set you up. If not, off to the dealership!
     
  20. Mar 16, 2010 at 3:29 PM
    #20
    Sparky4.0

    Sparky4.0 Well-Known Member

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    the stealership would be your best bet on a replacement bolt. yotas use alot of uncommon thread pitchs on there bolts.
     
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