halp, i keep losing exhaust bolts/nuts

Discussion in 'Modifications And Maintenance' started by derp, Mar 8, 2012.

  1. derp
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    derp Well-Known Member

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    Recently I installed an Invidia downpipe, and now I keep having issues with it.

    I've lost 4 nuts from the turbo to the downpipe, and no matter how much I tighten them, they keep loosening or falling off.

    Do I need those nuts with the silicone **** in them to stop them from coming off? Loctite? weld the ****ers on?

    WTF?
     
  2. curly2k3
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    curly2k3 Well-Known Member

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    odd, normally if they're on there nice and snug they stay in place. you could always retighten them after a drive/afternoon too and while its still rather warm in there, it'd let you get more torque on them and a bit more grab probably. otherwise you COULD use loctite.
     
  3. derp
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    derp Well-Known Member

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    i'm currently missing 3 of the 5. >.<

    looks like I get to hope that the sears auto center will let me use a jack. I'm not paying them to install the 1 ****ing nut I can't get to, and that's the only place within walking distance from where I work.

    edit. They don't even open till 9, and I only work till 8... I want to go to bed :(
     
  4. idget
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    idget Want to pokéman? PM ShortytheFirefighter

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    So only the top 2 are on?

    I've seen the stud start to back out causing the nut to also back out.

    It's ok to drive with a leak there so no huge rush to get it fixed. Other than it being really annoying. If you have time this afternoon/evening swing by and we can get it sorted out.
     
  5. derp
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    derp Well-Known Member

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    i'm going to run to o'reilly after work and get some of those lock nuts with the silicone
     
  6. J.Rex
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    J.Rex Well-Known Member

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    those are supposed to be ceramic nuts and bolts to be able to hold up to the heat
     
  7. Nuke
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    Nuke Well-Known Member

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    use oem nuts and bolts
     
  8. Medic_538
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    Medic_538 Well-Known Member

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    Those will probably not work either. The heat will burn up that silicone in a heart beat. Tried that on my old car, melted it and it STANK!!
     
  9. AWDimprezaL
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    AWDimprezaL has more posts than you

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    Try using lock washers? I've never had this issue, so as usual, I'm not much help.
     
  10. xluben
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    xluben Well-Known Member

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    I agree. Use OEM bolts. They should have a knurled mating surface to prevent them from backing out. The heat produced is going to make silicone/loctite/etc ineffective. I would double check for loose studs, because that could also cause them to back out.

    On my car I've found that I can use a standard length socket and 3/4" drive ratchet, and reach 4 of the DP bolts from the engine bay. I have enough room to put a breaker bar onto the ratchet, so I have no trouble at all tightening them to stud-snapping torque (if I so desired).

    The bottom/middle bolt is tougher to reach (especially with my EWG installed), but I can also reach this one from the top. I just reach my hands around the turbo and use a closed end wrench. No breaker bar, but I can get it plenty tight.

    Just a thought. I'm sure there are other very good methods for tightening these bolts down. I previously had done some of the bolts from the bottom, but I find that working from the top allows more room, and I can get them very tight.

    Another couple notes:

    As already mentioned, a post turbo exhaust leak isn't going to hurt anything. It's just annoying.

    Also already mentioned, retorquing after a few heat cycles, and while the car is still warm (but not burning hot), will often allow you to snug them up a little more.
     
  11. tangledupinblu
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    tangledupinblu Event Coordinator Staff Member

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    So, i'm on the phone with him and he's heading to Morries to grab some OEM's.
     
  12. 2barsti
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    2barsti Well-Known Member

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    Try looking into self locking copper nuts.
     
  13. idget
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    idget Want to pokéman? PM ShortytheFirefighter

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    Try deez nuts
     
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  14. tangledupinblu
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    tangledupinblu Event Coordinator Staff Member

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    Oooo...can haz!? I've heard that deeez nuttz are tha best nuttz!
     
  15. derp
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    derp Well-Known Member

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    Got oem stuff. And a side of deez nuts just in case. I'll chuck them on in a few minutes, then warm the car up and retorque. We shall see how that goes. Hope no more issues. Wish it was vband instead lol
     
  16. xluben
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    xluben Well-Known Member

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    I was thinking the exact same thing last night when I was removing/reinstalling my exhaust manifold/uppipe/EWG/downpipe.
     
  17. project/driven
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    project/driven Well-Known Member

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    Brett, this has happened to me as well. I haven't lost 4 of the 5, but the last 2 time that I've had to remove the down pipe there has been 1 missing. I've probably removed and reinstalled too many times.
     
  18. derp
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    derp Well-Known Member

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    Well, oem replacements are on. Tightened as much as I physically can. Hopefully that solves it. If not, time for locking hardware.
     
  19. Starkall
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    Starkall Active Member

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    Put some high temp rtv silicone on the threads when you crank it down.