How do I install my Locker?
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
How do I install my Locker?
Ive had a Detroit locker in my garage for some time now that I bought from a brother here... I forgot who though... and I want to install it now that I dont think its going to snow anymore for the year and will give me a good bit of time to get used to it before winter sets in again. I am mechanicaly inclined but Ill admit Ive never messed with rear ends of gears or anything along them lines. How do I go about doing this job? I called around and got a quote for a shop to put it in for around $400. Would it be worth it to just have them do it? Funds are low and I want to put it in. All I have is the locker itself, will I need anything else to do the job besides fluid and gasket maker? Any input is appreciated thanks
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
I remember Roland (Mueckster) talking about the how to's back last year helping somebody when he was putting his in, his being a Tru-trac though. I believe shims are involved to alighn things up and so forth, worth shooting him a PM or other folks will chime in.
Cargo Master
Joined: Jan 2009
Posts: 2,800
Likes: 31
From: OKC, OK
I built a rear end once for a ranger and put an arb in it. You will need an install kit. It will include shims and a new crush sleeve at a minimum. I wud recommend new bearings while you are in there which will need a shop press. It is always reccomended that you replace all of the ring gear bolts as well (most recent issue of diesel power). They just did a rear end on a Chevy I think. You also need a dial micrometer to measure play and tolerances. 400 sounds lime a good price to me but I had fun building mine and learned a lot.
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
When I called I told them I wanted them to put in in for me and they said 400 so I doubt that was parts. It does already have new bearing pressed on so Im good as far as that goes, I forgot all about that. A friend of mine has more tools than most will ever need, if I can get a good list of what Ill need I can ask him if he has them or not, he should know what Ill need to do the job. Do any of you guys know what the tolerences are? and the torque specs?
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
If everything is already there shouldnt I be able to retain the same spacers as long as I put them back and be good? Or no.....?
Ill be looking at that thanks CPS
Ill be looking at that thanks CPS
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Postmaster
Joined: Apr 2005
Posts: 2,759
Likes: 0
From: round rock, tx
$400 for labor sounds right
I would imagine that is all your parts are fine, they will be able to install it fairly easily, if they need to install new parts you will have to spend some extra.
Good luck! Let me know how you like it, I want to buy a Detroit as well!
I would imagine that is all your parts are fine, they will be able to install it fairly easily, if they need to install new parts you will have to spend some extra.
Good luck! Let me know how you like it, I want to buy a Detroit as well!
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Fleet Mechanic
Joined: Jul 2011
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Likes: 5
your first ring and pinnion project would be whole lot better working with a person with experiance. there can be alot of room for mistakes, shimming is very critical in getting correct pattern. if that estimate is with a experianced gearbox man it sounds reasonable
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
I do wish I had someone to show me how to do it because later I might step up to 4:30 or 4:56 gears to. Compensate for the new tires I don't tow much and when I do it's not heavy so I'm gonna see how the 3:73s hold up for now
Cargo Master
Joined: Jan 2009
Posts: 2,800
Likes: 31
From: OKC, OK
It will be easier if u r keeping the same gear ratio. Your shims will be reusable as long as they don't go behind the bearings. Inspect your pinion bearing very well if you don't replace it.
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Logistics Pro
Joined: Dec 2010
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Likes: 15
From: Temperance, MI
Cargo Master
Joined: Jan 2009
Posts: 2,800
Likes: 31
From: OKC, OK
Make sure you find pics on the internet of what a good contact pattern is. Apply a paint or something to the ring gear then turn the pinion gear so it will make contact with the ring gear. That will give you a pretty good set up even without exact tools. You can get a dial from harbor freight to measure backlash
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
I measured the backlash with a dial indicator before removing the old carrier assembly. I used this measurement to set up the new carrier and used 'stackable' shim packs to adjust the backalsh and preload as needed. Here is a pdf, I created from my Ford manual, to help with how to properly check and adjust the backlash and preload.
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Logistics Pro
Joined: Dec 2010
Posts: 4,738
Likes: 15
From: Temperance, MI
Thanks Roland that will be awesome and extremely helpfull.
JT250 your right I just looked at my magazine because you said so and I havent had time to read it before and there it is. I've got reading to do now thanks
JT250 your right I just looked at my magazine because you said so and I havent had time to read it before and there it is. I've got reading to do now thanks