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What Caused This?!

Discussion in 'Stock 2002 - 2005 Explorers' started by TechGuru, September 12, 2017.


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    1. TechGuru

      TechGuru Well-Known Member

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      So I was fixing this...

      [​IMG]

      and I noticed this...

      [​IMG]

      how would I even go about fixing this?
       
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    3. Number4

      Number4 "I'm counting to 3, then I'm getting your dad." Elite Explorer

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      Can you see if the bolt is broken off in the block?
       
    4. TechGuru

      TechGuru Well-Known Member

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      Yes, it looks like it's broken off. I wish it had simply came loose and fell out...
       
    5. Tech By Trade

      Tech By Trade Well-Known Member

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      It happens, Mine snapped the rear drivers. I took it out when I had the engine out to do the timing chains. Luckily it was easy to get out as the bolts dont bottom out in the head and they weren't rusted in. I just pulled off the manifold and cut a slit into it with a grinder and took it out with a screw driver. Not like the V8.
       
    6. imp

      imp Well-Known Member

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      If there is no exhaust leak, forget about it until the other one breaks. Likely that stud did not break by itself, but rather by ineptness on the part of a previous worker, who simply let it slip through. Just my opinion/. imp
       
    7. TechGuru

      TechGuru Well-Known Member

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    8. Joe in NY

      Joe in NY Active Member

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      one thing to remember is that ford loves to use TTY bolts/studs. Meaning; one time use. Can't reuse TTY hardware.
       
    9. imp

      imp Well-Known Member

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      Doubtful that "torque to yield" would be used on a stud/nut application like this, don't you think? Such use is applicable to critically loaded parts, like cylinder heads. Mainly, the purpose of TTY is to stretch the fastener into the range in which it's prevailing load will not change much with clamped part dimensional change, such as the thickness change in head gaskets when cylinders fire.

      Phew! imp
       
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    10. swshawaii

      swshawaii Explorer Addict

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      Workshop manual says replace only gaskets and nuts. For me, TTY fastener that comes to mind are caliper bracket bolts.
       
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    11. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      Never knew the caliper bracket bolts were torque to yield. I've had them off several times on each of my Explorer based vehicles.
       
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    12. boominXplorer

      boominXplorer Elite Ranger Elite Explorer

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      Exhaust manifolds are not tty. If you look up torque specs for anything and it talks about degrees then it's tty.

      Most of the time the stud snaps from rust or warping manifold. Like imp said, if you don't hear the leak forget about it. You can come back to it when the timing chains are due.
       
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    13. imp

      imp Well-Known Member

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      I have too, never replaced them, never torqued them other than "Armstrong torque". I like current tech, but often fall back on the simple shit I learned in the '50s. imp
       
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    14. imp

      imp Well-Known Member

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      And I dread when that time comes. 160K now, smooth & quiet as a churchmouse, but how much longer? imp
       

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