S2000 Under The Hood S2000 Technical and Mechanical discussions.

Any diff failures with LE-607?

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Old 05-03-2007, 09:51 AM
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Originally Posted by jyeung528,May 3 2007, 11:47 AM
whoa....

2 shattered/failed pinions on diffs using le-607.

can we get more info on this???

cdelena, shattered pinion just for running r-comps on the street? thats not too extreme of a condition to shatter a pinion do you think?

i'm curious as to what caused negcambers failure...
Only 2 failed diffs with LE607 sounds really great to me.
Old 05-03-2007, 09:53 AM
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[QUOTE=SC_Highlander,May 3 2007, 09:12 AM] No, LE607 is not the factory fill for the diff.

negcamber experienced a failed pinion last month and was running LE607.
Old 05-03-2007, 09:58 AM
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Originally Posted by hey_i'm_new,May 3 2007, 09:53 AM
i swear i read it somewhere on this site... i have no idea what it is then. do you know? does anybody know?
LE 607 is gear oil that you can buy from lubrication engineers retailers.
Old 05-03-2007, 09:59 AM
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Originally Posted by gernby,May 3 2007, 09:51 AM
Only 2 failed diffs with LE607 sounds really great to me.
do we know of shattered/failed pinions on other gear oils?
Old 05-03-2007, 10:55 AM
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The fluid isn't going to have much, if anything, to do with a pinion fatigue failure -- as long as it meets the requirements in the manual.
Old 05-03-2007, 10:57 AM
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I'd only been running the LE607 for a couple days. The diff problems started while on vacation. I changed the diff oil while away to see if there were chunks or shavings in the oil (was clean). I was hoping if there wasn't metal in the oil, then the car would make it home.

Carrier end cap failed. Definitely wasn't oil related. The car had had Mobil 1 90wt prior.
Old 05-03-2007, 04:22 PM
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anyone notice the failure trend......
car not able to soak up the shock load, IE not enough weight transfer or clutch hitting too hard. hmm, seems all the pinion failures are AP1 related, or am i on crack. ive noticed this since day 1. see my diff, in the pics. (failed torsen thread) the parts that fail on Ap1's are perfect. i found the real weak link, the torsen parts. and they held up very well considering.

the moral of the story is,,,, soften your rear, or add a CDV. try both. if you wanna save lots of $$ and time.
Old 05-03-2007, 05:55 PM
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Someone just broke a AP2 diff with LE in it for most it's life.. with enough abuse the AP2 will break just as easily.
Old 05-03-2007, 06:30 PM
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No problems, switched to LE over 2 years ago, change it once a year, and will keep using it.
Old 05-04-2007, 11:33 AM
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Eh...the CDV blows. I'd rather budget rebuilding/replacing the diff every 5-7years instead of putting a CDV in the car.

But if it is the Torsen causing the pinion failures and not the carrier caps (which is what appears to have happened with my car...but who knows...maybe the LSD failing caused the cap and pinion to break)...but if it is the Torsen, then next failure I'll change to a different LSD...Quaife or something.


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