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post #1 of (permalink) Old 07-15-2001, 01:20 AM Thread Starter
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? how hard to install ring and pinion

howdy, i was wonder how hard is it to install a ring and pinoin in the front and rear of the sammi. is there any pressing, or is it all shimed. or should i take to someone, i don't like to take it to someone, but if need be i'll have my wife go with to help for cring.

Jimmie & MONZUKI

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post #2 of (permalink) Old 07-15-2001, 03:54 AM
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Re: ? how hard to install ring and pinion

I'd take it to someone. There are no shims to my knowledge. It uses a crush sleeve instead. You'll also need a dial indicator for the backlash adjustment.

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post #3 of (permalink) Old 07-15-2001, 10:32 AM
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Re: ? how hard to install ring and pinion

First off... there are shims!

First timers can tackle it themselves. You have to have a good set of installation instructions and have some knowledge of how preload and backlash are setup. I can take some time and walk you through some basics on the phone if you want to give us a call to order some gears.

Most of all, it takes alot of patience since you generally have to take it apart and put it back together several times while trying to get your shim patterns correct.

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post #4 of (permalink) Old 07-15-2001, 01:16 PM
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Re: ? how hard to install ring and pinion

you do have to have some knowledge cause once you start messin with your drivetrain that is definitely nothing to play with!! however it might not be worth it to take it to a guy to do it and instead you do it yourself...it all matters what you feel comfortable with?? Dont you have to break stuff when you take out the R&P??

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post #5 of (permalink) Old 07-15-2001, 04:34 PM
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Re: ? how hard to install ring and pinion

>>Dont you have to break stuff when you take out the R&P??


If you're breaking stuff when you pull out the R&P's, you're doing something wrong.

Of course... breaking stuff can sometimes necessitate having to take out your R&P ;^)

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post #6 of (permalink) Old 07-15-2001, 04:45 PM
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Re: ? how hard to install ring and pinion

I did not know I have just heard that that is what installation kits are for...for the stuff you break to get the R&P out!

" Go Cheap n' Smooth or Forget about it!"

Thanx
Studly
92 Zuki/235's/header/cherry bomb exhaust/Still Building
72 fj40/crate 350/33's/discs
post #7 of (permalink) Old 07-15-2001, 05:44 PM
 
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Re: ? how hard to install ring and pinion

If you don't mind taking some time to learn and are willing
to invest in some tools, setting up a 3rd member is not that
difficult.The Samurai diffs are similar to Toyota units.
The only shim involved is used to set the pinion height.This
adjustment is checked by blueing the gear teeth and checking
the contact pattern.Gear backlash is set by moving the case
(most people call it a carrier)back and forth with the side
bearing adjusters and checking play with a dial indicator.
Most of the bearing preload is applied to the pinion bearings by compressing a crush sleeve with the flange nut.
Some additional preload is applied to the side bearings with
the adjusters.Preload can be measured with a spring scale or
a special torqe wrench.
So basically what you're going to need is:
Dial indicator for back lash.
Torque wrench for bearing cap and ring gear bolts.
A huge bench vise with padded jaws to hold the diff case
while torqueing the ring gear bolts.
A spring scale for setting preload.
And most importantly the factory shop manuel.It's got the
best instructions and explanations of what you're going to
be doing.
If your future has a lot of 4wd building,it's worth it to
acquire the tools and knowledge.I believe an individual with
good mechanical aptitude can do a better job than most shops
because there is more time to make everything perfect.


rollerskate
(That's what I was told my Samurai resembles)[img]/wwwthreads_images/icons/mad.gif[/img]
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post #8 of (permalink) Old 07-15-2001, 05:50 PM
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Re: ? how hard to install ring and pinion

thanx a lot man! now I feel good lookin for a R&P instead of going the expensive route and buying a 3rd!

" Go Cheap n' Smooth or Forget about it!"

Thanx
Studly
92 Zuki/235's/header/cherry bomb exhaust/Still Building
72 fj40/crate 350/33's/discs
post #9 of (permalink) Old 07-15-2001, 06:03 PM
 
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Re: ? how hard to install ring and pinion

You bet Studly.I haven't worked on any Dana axles yet but I
look forward to doing so since they're a slightly different
trip.
I remember seeing an article in the Toyota Off-Road Com
section about setting up 3rd members,it had excellent
pictures.It might be worth looking up if someone wants to
get an idea of what it's like to do a R&P job.


rollerskate
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post #10 of (permalink) Old 07-15-2001, 06:47 PM
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Re: ? how hard to install ring and pinion

Don't forget the "special tool" which holds the flange while you crank down on the crush sleeve.

The dial indicators and spring scales are nice, but when you've done a few, you develop a nice "feel" for preload and backlash :^)

I also have a bearing retainer and a couple of 'press sleeves' which help with pulling and pressing bearing while dialing in the correct tooth pattern.

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