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Differential mount thread pitch??

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Old Aug 29, 2006 | 08:30 PM
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Differential mount thread pitch??

I am just wondering what the thread pitch for the front diff mount studs is, and also the rear diff mount studs?

I believe it is M12.
I have tried an M12 "coarse thread", but that didn't seem to work.

edit: is it M12x1.25?
the only other ones are M12x1.5 and M12x1.75, and i am pretty sure both those are too big.

Last edited by coldfire; Aug 29, 2006 at 08:43 PM.
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Old Aug 29, 2006 | 10:55 PM
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ok, so i looked a little closer and the rear diff mount studs look to be M12 x 1.0, which i didn't even think existed??
i'm not going to find that size in store...damn.
well i hope the dealership can get me this stuff fast.

so:
front differential mount studs - M12 x 1.25
rear differential mount studs - M12 x 1.0

i THINK those are the thread pitches...anyone know for sure?
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Old Aug 31, 2006 | 08:13 PM
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wow, i feel stupid. i've been looking at the wrong thread pitches. no clue why.

i am pretty sure now this is how it is:

front differential mount studs - M12 x 1.50 (same as lug nuts)
rear differential mount studs - M12 x 1.25

i finally learned how to measure thread pitch with a Vernier caliper. hope this info is helpful to someone in the future....
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Old Aug 31, 2006 | 09:09 PM
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I was really pissed off last week when I found this out the hard way. Fucken why couldn't they use the same thread pitch for all the mounts.
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Old Sep 1, 2006 | 07:29 AM
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Originally Posted by coldfire
wow, i feel stupid. i've been looking at the wrong thread pitches. no clue why.

i am pretty sure now this is how it is:

front differential mount studs - M12 x 1.50 (same as lug nuts)
rear differential mount studs - M12 x 1.25

i finally learned how to measure thread pitch with a Vernier caliper. hope this info is helpful to someone in the future....
"Pretty sure" or "sure"?
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Old Sep 1, 2006 | 10:54 AM
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The point is there different, so if you use a strong impact gun carefull.
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Old Sep 1, 2006 | 10:59 AM
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Originally Posted by slo
The point is there different, so if you use a strong impact gun carefull.
The point is, I want confirmation on the thread/pitch.
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Old Sep 1, 2006 | 07:32 PM
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yeah, my last post i figured out the thread pitch my measuring with a caliper. today i actually went out and bought the nuts and confirmed. so YES, what i posted in my previous post is correct ("sure").
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