timing belt idler stud - Defender Source
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  #1  
Old February 11th, 2012, 10:10 PM
soturi
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Matthew
1984 300tdi
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timing belt idler stud

alright - having issues with the mentioned part (pictured). tried putting it in, torquing down the idler... and it stripped out the threads. awesome.

so, time for a helicoil. meh. troubling observation, though - the thread pitch on the engine side of the stud doesn't seem to be uniform. note the two photos w/ the helicoil threaded on; it starts w/ a good fit, but then the threads closer to the "bottom" spread the helicoil out. it goes from a 1.5 pitch to... something else?? the nut, which threads the entire length of the long end, binds about three threads from flush on the short end, too.

is there something going on here that i don't know about, or is this stud fukt?
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  #2  
Old February 12th, 2012, 11:54 AM
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Jymmiejamz
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Jimmy
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Sounds like you got a fucked up stud, although I can't see anything wrong from the pics. I think I have the one I just pulled out of my truck when I did the timing belt, you're welcome to it if you want it.
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Old February 12th, 2012, 02:36 PM
soturi
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Matthew
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tried running a die over it... helped a bit, but it's still not perfect. PM coming your way, Jymmie - thanks much.

the helicoil will certainly fix things, but anyone think there's any chance i'm going to be able to talk BritPart into replacing the front cover their fucked up stud de-threaded? =/
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  #4  
Old February 12th, 2012, 04:37 PM
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Jymmiejamz
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I doubt that, unless you are a shop. They will probably say that it was installed incorrectly. It's certainly worth a try!
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Old February 15th, 2012, 02:56 PM
soturi
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Matthew
1984 300tdi
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picture attached: jymmie's stud, with correct threads on both sides (note nut, able to thread all the way on the short side as well as the long).

so... dammit. double check all your threads. i guess. argh.
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