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Old July 14th, 2010, 10:27 PM   #1
JimNut
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Default Another Detroit EZ Locker issue

a little background info:

I recently swapped in an AMC 20 with a detroit EZ locker already installed. Supposedly they axles were ready to go and just pulled from a working rig to swap in some full size axles.

So here is what is going on. In a straight line on pavement when I accelerate the locker disengages/skips over a tooth. It feels similar to chain slipping in a transfer case. for a brief moment the axle fully disengages and then violently re-engages. Currently I'm swapping in some spider gears so i can be positive it is in fact the locker but I don't see what else it could be. I currently have it disassembled and can get pictures of everything but from what I can tell everything looks correct. The teeth are not wore down, springs & Pins all look correct. Anyone have any idea what could be causing this?

My setup is a Jeep CJ-7 258/T-176/D300
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Old July 15th, 2010, 03:39 PM   #2
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have you made sure both tires have the same air pressure?
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Old July 15th, 2010, 03:48 PM   #3
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i have a cj7 with amc 20 and HAD a detroit ez in it for a yr or so. It did this VERY thing and it turned out to be the hole the pin rides in became oblong. I still have it. Never going back to it.
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Old July 16th, 2010, 12:11 PM   #4
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I had a similar issue with an EZ Locker.. I suspect it was a problem with the clearance between the clutches, and could have probably been fixed with shims, but instead I took out the EZ Locker.
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Old July 16th, 2010, 12:16 PM   #5
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Quote:
Originally Posted by thrca View Post
I had a similar issue with an EZ Locker.. I suspect it was a problem with the clearance between the clutches, and could have probably been fixed with shims, but instead I took out the EZ Locker.
I still haven't installed that thing yet...Is there any kind of spec given or is it expected it will drop in and be fine.
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Old July 16th, 2010, 12:45 PM   #6
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Yeah, just take that thing out. There is a reason Detroit doesn't make them anymore.
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Old July 16th, 2010, 12:56 PM   #7
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I still haven't installed that thing yet...Is there any kind of spec given or is it expected it will drop in and be fine.
Just depends. If it slips after its in, it might need a couple shims on the side gears. I didn't spend a lot of time fiddling with it but suspect I could have made it work.
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Old July 17th, 2010, 03:14 AM   #8
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Well after looking into it more and more it APPEARS that shims might have fixed the locker but I wasn't going to chance it 1 week before a trip so I ordered an Aussie Locker. Everyone that has one seems to love it and I have not really heard anything bad about them. It's supposed to be here Monday morning so hopefully I'll be able to report back that everything is good. Plus it was pretty hard to beat 285 shipped to my door with UPS 2nd day delivery
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Old July 17th, 2010, 07:22 AM   #9
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Quote:
Originally Posted by thrca View Post
Just depends. If it slips after its in, it might need a couple shims on the side gears. I didn't spend a lot of time fiddling with it but suspect I could have made it work.

Did you install the shims that normally go between the spider gears and case, or leave them out.
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Old July 17th, 2010, 02:12 PM   #10
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I left them out I believe, as my frankenstien 8.8 was missing them.
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Old July 17th, 2010, 02:21 PM   #11
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Quote:
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I left them out I believe, as my frankenstien 8.8 was missing them.
i needed them on mine
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