10-07-2018, 04:01 PM
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#1
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Join Date: Aug 2018
Location: Dallas, TX
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Join Date: Aug 2018
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Rear axle interchange questions
Having read about the issues with the rear axle seals going with age or with other causes, it seems to me like I should get a rear axle to rebuild ahead of time (they are very cheap around here) and swap in to minimize downtime. So, here's the questions:
1. What years of 3rd gen rear axles can I directly swap in and use in my 2000?
2. Are there any gear ratio differences between years and models?
3. 4x4 3rd gens have been more plentiful in the local yards than 2WD. Can I use a 4x4 rear axle in my 2WD or do I need to find a 2WD donor?
Thanks.
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2000 4Runner Limited - 2WD, 3.4L V6, Automatic - Bilstein 4600/Moog 'Tall' Springs, Manik brush bar, PowerStop Tundra Brake Upgrade w/ Stoptech SS Brake Lines, KC Hilites 6" Pro-Sport HID Spread Beam Pair Pack System w/ KC Lexan covers, 4th gen 17" wheels w/ Spidertrax and Rugged Ridge 1.25" spacers, oEdRo LED headlight bulbs, BMW E92 seats, ScanGauge II, Prodigy TBC
Last edited by Spktyr; 10-07-2018 at 04:05 PM.
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10-16-2018, 06:51 AM
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#2
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Er, anyone?
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2000 4Runner Limited - 2WD, 3.4L V6, Automatic - Bilstein 4600/Moog 'Tall' Springs, Manik brush bar, PowerStop Tundra Brake Upgrade w/ Stoptech SS Brake Lines, KC Hilites 6" Pro-Sport HID Spread Beam Pair Pack System w/ KC Lexan covers, 4th gen 17" wheels w/ Spidertrax and Rugged Ridge 1.25" spacers, oEdRo LED headlight bulbs, BMW E92 seats, ScanGauge II, Prodigy TBC
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10-16-2018, 07:11 AM
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#3
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Join Date: Mar 2016
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1. I believe any year axle will work (96-92) assuming it doesn't have a rear locker. If it does, you can still make it work and you'll have a rear locking diff.
2. There are several different gear ratios with the most common being 4.10. The only way to be certain is to do a spin test though as there is no magic code or anything that will tell you what ratio it is for sure.
3. I'm also pretty sure it doesn't matter if the truck is 4x4 or not, I believe the rear axle assemblies are all the same.
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1997 SR5 4x4 Auto, 99' tall coils up front, OME 906's, Truetrac LSD, Airaid MIT
1999 SR5 4x4 Auto for parts
2011 Camry SE V6
2011 Highlander Limited
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10-16-2018, 08:09 AM
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#4
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Quote:
Originally Posted by thegipper
1. I believe any year axle will work (96-92) assuming it doesn't have a rear locker. If it does, you can still make it work and you'll have a rear locking diff.
2. There are several different gear ratios with the most common being 4.10. The only way to be certain is to do a spin test though as there is no magic code or anything that will tell you what ratio it is for sure.
3. I'm also pretty sure it doesn't matter if the truck is 4x4 or not, I believe the rear axle assemblies are all the same.
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Good info!
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Mine: 2002 SR5, Lifted, Armored, and Accessorized on 33s. Build Thread
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10-16-2018, 09:16 AM
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#5
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There is a code on the door jamb, however, I don't recall which it is (dealt with it while searching for a front diff for my e-locker retrofit) and it was accurate. No better way to be sure than the spin test.
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10-16-2018, 09:34 AM
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#6
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Quote:
Originally Posted by thegipper
1. I believe any year axle will work (96-92) assuming it doesn't have a rear locker. If it does, you can still make it work and you'll have a rear locking diff.
2. There are several different gear ratios with the most common being 4.10. The only way to be certain is to do a spin test though as there is no magic code or anything that will tell you what ratio it is for sure.
3. I'm also pretty sure it doesn't matter if the truck is 4x4 or not, I believe the rear axle assemblies are all the same.
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4x4 and 4x2 does not matter. Brake lines are slightly different for 01-02 but can work. For reference, I installed a 2002 Sport Edition 2WD axle in my 1998 Limited 4x4 with no modification.
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10-16-2018, 10:06 AM
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#7
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Senior Member
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Gear ratio isn't super important with 2WD since the front wheels aren't driven. But it will affect your speed if you change ratio.
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