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ADD to Manual Hubs

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Old 01-24-2006, 09:46 AM
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ADD to Manual Hubs

I did a search on this subject and found lots of info, but still no answer to the question: Do I have to do the Spindle Nut Conversion when going from ADD to Aisin Manual Hubs, or can I just slap in the new hubs and go?
Old 01-24-2006, 10:04 AM
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Just take off the ADD flange and the new hubs should slap right on.
Old 01-24-2006, 10:07 AM
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^^^^^ what he said
Old 01-24-2006, 10:59 AM
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Sweeet, thanks guys.
Old 01-24-2006, 03:07 PM
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Don't forget to do the spindle gear reversal and install new circlip retainer bearings.
Old 01-24-2006, 05:13 PM
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thanks phil, that explains why mine has been running in reverse!

lee
Old 01-25-2006, 08:48 AM
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AHH yes, spindle gear reversal.... How do I do that?
Forgive me, I'm still a fairly new yota owner, and this is the first vehicle I've ever owned w/ IFS.
Old 01-25-2006, 01:28 PM
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Heehee. Just pullin yer leg.
Everybody knows you only gotta do the spindle gear reversal when you use a Dana 44 reverse rotation axle for your SAS....
Old 01-25-2006, 02:35 PM
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It's a piece of cake. Just an echo - no you don't need the spindle nut conversion kit.
Old 01-25-2006, 03:00 PM
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hey phil!!

looks like we had a live one there!

lee
Old 01-26-2006, 09:31 AM
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Okay, Okay... Lets not pick on the new guy too much.
So no conversions, just slap 'em on and go.
Sounds good.
Old 01-26-2006, 09:55 AM
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Yep, the only time you have to do the spindle nut conversion is if you are going from auto hubs to manual. ADD to manual is a snap. Takes longer to R&R the tires than to do the hubs.
Old 01-27-2006, 03:11 PM
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IS it a GOOD IDEA to replace the ADD to man. hubs? pros and cons??
Old 01-27-2006, 03:17 PM
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Originally Posted by AUYota
IS it a GOOD IDEA to replace the ADD to man. hubs? pros and cons??
Very good idea. Manual hubs will give you less wear on your cv shafts. plus maybe a hint of better gas mileage. That is enough pro's to make anyone want to do it. Less wear = less breakage.

Only con is you have to get out of your truck to lock the front wheels in 4wd.
Old 01-27-2006, 08:28 PM
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Soon as I get the money, I think I'm going to do the ADD defeat and then convert to manual hubs. Money is the root of all evil
Old 01-28-2006, 01:12 AM
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no need to defeat the existing system, just bolt the aisin's on and youre good to go.

lee
Old 01-28-2006, 05:30 AM
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The issue is that my ADD is starting to fail I believe. It only enguages in 4WD 1/2 the time and I believe its related to the ADD system.

http://www.4x4wire.com/toyota/tech/add/
Old 01-28-2006, 07:42 AM
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91,
I think the Aisin's would remedy your problem. I'm doing it simply because I hate changing CV axles. If the manual hub will save me from doing another CV just once, they've paid for themselves x's 10. Keep and eye on e-bay. Sometimes there's some good deals. But don't pay more than $40 for them on ebay, because the yotayard sells them for that, plus $10-$15 shipping.
Old 01-28-2006, 08:05 AM
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Here's a question: if after doing the swap to manual hubs (which I'm starting about10 minutes), if you leave the hubs free and pull your lever into 4-Lo, does that essentially give you 2-Lo?
Old 01-28-2006, 04:00 PM
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If you leave the front hubs unlocked, yeah i imagine.


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