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PostPosted: Sat Mar 06, 2010 11:48 am 
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Joined: Sun Nov 22, 2009 7:00 pm
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Location: Tampa, FL
Hi all,

I purchased a set of ring gears from another site member and got a great deal on them but I've over-thought the process and I've scared myself because my LUV is my daily driver. I would imagine that most of the guys on the west coast just swap the whole rear differential but they're scarce around my parts.

I guess my question is, has any swapped just the gears and could give me some directions so I feel a little more confident prior to doing it? A parts list of what I might need to replace or parts I can reuse?

This is just one of those situations where I've come across something I've never done it be -- I appreciate your guy's help! Any and all advice appreciated.

Clayton

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1976 2x4 LUV: 4-speed, 32/36 Weber, desmogged, 3.42 gears

My '76 LUV and Impulse 5-speed for sale:
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PostPosted: Sat Mar 06, 2010 12:18 pm 
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Location: Salem OR.
i replaces just the carrier on mine when i changed to 4:10 will need a new gaskets but other then taking out the 4 bolt at each side behind the tire sand sliding the axles out about 4 in. to get the carrier out , that was about it... put the new one in. slide the axles back in bolt things up and go after adding oil that is

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PostPosted: Sat Mar 06, 2010 1:27 pm 
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Changing ring and pinion gears into an existing housing is better left to a professional that already has the knowledge, special tools and required extra parts. The last estimate I got was around $300. You would likely need a press to remove and install the bearings (and new bearings), a dial indicator, torque wrench (or two), new crush sleeve and seal, locktite, the proper size taps & dies to clean the old locktite from the bolt threads, all the proper size sockets and wrenches and an assortment of pinion, carrier and side gear shims to obtain the proper shim thicknesses to set the backlash. Don't forget a detailed step by step manual to show you how. How much will it cost to buy, rent, or borrow what you don't have? How important is it that you get the repair done promptly and correctly the first time? Do you feel confident that this is within your abilities? I asked myself these same questions and decided I am not yet ready, and I have most of the tools. On the other hand I can swap a third member in two hours including bleeding the brakes & it's good as new- or at least as good as the new parts. So I'm with ctmandu.
Have you checked car-parts.com for rears near you? Try Isuzu pickups about '84 vintage. They may list the entire axle assembly but will likely sell only the third member if you ask.

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PostPosted: Sat Mar 06, 2010 4:15 pm 
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Location: Tampa, FL
oldestisuzuist wrote:
Have you checked car-parts.com for rears near you? Try Isuzu pickups about '84 vintage. They may list the entire axle assembly but will likely sell only the third member if you ask.


I've tried there and I don't think you've ever been in need of junk yard parts in central Florida, lol.

Closest possible listing is in Tennesee, a little further than I'd prefer.

ctmandu,

Did yours require any of the bearings to be pressed in or out to accomplish the swap? I know I need to get new gaskets and seals, just want to know if it's really something as intensive as oldestisuzist has described it.

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1976 2x4 LUV: 4-speed, 32/36 Weber, desmogged, 3.42 gears

My '76 LUV and Impulse 5-speed for sale:
viewtopic.php?f=8&t=24576


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PostPosted: Sat Mar 06, 2010 7:22 pm 
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sorry i miss read your i changed the whole carrier/pumpkin not just the ring gears.. but to answer your question no on the way i did mine...

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PostPosted: Sat Mar 06, 2010 7:45 pm 
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Thanks for the quick reply Hmmm... I'll shop around and see what I can get quoted for it and decide from there whether I want to give it a go or not.

If anyone else has changed the gears only I'd love to hear from you.

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1976 2x4 LUV: 4-speed, 32/36 Weber, desmogged, 3.42 gears

My '76 LUV and Impulse 5-speed for sale:
viewtopic.php?f=8&t=24576


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PostPosted: Sun Mar 07, 2010 4:39 pm 
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Put in your area craigs list that you are looking for one.

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PostPosted: Sun Mar 07, 2010 5:48 pm 
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It's worth a shot, I suppose. I'll post it up right now.

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1976 2x4 LUV: 4-speed, 32/36 Weber, desmogged, 3.42 gears

My '76 LUV and Impulse 5-speed for sale:
viewtopic.php?f=8&t=24576


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PostPosted: Mon Mar 08, 2010 2:12 am 
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Dont limit your options by looking/advertising for Luv pumpkins, early Isuzu Trooper and Pup pumpkins will fit also. Pup and Troop pumpkins are commonly called 10 bolts by Isuzu enthusiasts.

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PostPosted: Mon Mar 08, 2010 4:53 am 
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