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94 4x4 12" lift-4WD doesn't work

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Old 11-28-2011, 08:44 PM
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94 4x4 12" lift-4WD doesn't work

Ok so i have a 1994 toyota lifted 12" on 37s manual lock hubs but when i go to shift into 4x4 i get nothing but the light my light comes on but its not engageing. Iv tried locking the hubs then tried them unlocked i just cant figure out whats goin on. can anyone help me find my problem. please and thank you.
Old 11-29-2011, 02:22 AM
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Hey welcome to YT.
I created a new thread for you, you would not get any replies in a dead classifieds ad.
12" of lift? Wow...Sas'ed or IFS? Got a front driveshaft?
Old 11-30-2011, 08:18 AM
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I think we need pics of this truck.

Your hubs could not be engaging all the way.
Old 11-30-2011, 08:27 AM
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Originally Posted by ocdropzone
12" of lift? Wow...Sas'ed or IFS? Got a front driveshaft?
X2 on the drive shaft Q.

Your light comes on because the switch for that light is in the transfer case.
Old 12-01-2011, 11:38 PM
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ok for some reason im having trouble logging in. but for now the truck is IFS its only a massive mall crawler i dont go in the mud or hit the trails anymore. but i checked to make sure the hubs lock all the way and they do. there is a transfer case test i forgot how its done but i did it like the guy said and transfer case is good only thing i can find is maybe i need new hubs they are still the stock hubs from factory. also i tried to upload a picture but i couldnt get it to do it. so if you have any other ideas for finding the problem with my 4x4 please let me know.
Old 12-02-2011, 03:28 AM
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Well its either your hubs, differential or transfer case. If they were all good, then it should work. I think you need to re check everything.

Check to make sure the hubs are engaging, not just that the dial is in the "lock" position. Jack the wheel up, lock it in, then check to see that its locked to the cv shaft. Do the same for both sides.Once that good, keep moving up the chain.
Old 12-02-2011, 03:58 AM
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Are they manual hubs, or was it converted from ADD to manual?
Old 12-02-2011, 07:46 AM
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sounds like either the hubs are not engaging (even though the dial says they are) or the ADD system isn't properly working.
Old 12-02-2011, 08:03 AM
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i would say hubs too, pull the hubs and see if they are for sure engaging. someone had to of changed them over cause in 94 is the add system and those u dont have to lock in the hubs.
Old 12-02-2011, 08:59 AM
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put the t-case in 4lo and have someone start to roll forward. lay under the truck and see if the front driveshaft is turning. if not then i would check up front.
Old 12-02-2011, 09:44 AM
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I want to see this thing.

Old 12-02-2011, 09:57 AM
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Originally Posted by bob200587
I want to see this thing.

yeah, that things gotta be real top heavy. if youve got anything over 5mph winds, you better stay home.LOL id like to see it also.
Old 12-02-2011, 10:52 AM
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Old 12-02-2011, 11:48 AM
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Does the driveshaft move when you move the truck. If the driveshaft isnt moving its in the tranny. if it moves its in the hubs or the cV joints are blown. End of story.
Old 12-02-2011, 09:21 PM
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ok yes driveshaft spins im gonna try rattlewaggons idea when its day light and i cant figure out how to post pics its not to bad top heavy i drive it daily it has almost 15 grand put into it i have all recipts bought it this way but now im wanting to make it a show truck its just a mall crawler right now but thanks rattle if that works and hubs are good whats the next test i should run and how to do it please?
Old 12-02-2011, 09:29 PM
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Easy check is to put the front tires up in the air and then you can spin all the parts as see what is up. I think you said you have manual hubs, so lock them, t-case in 2H and then spin the front drive shaft and see if either CV axle turns. If so, and the wheel attached to that CV does not spin, then that hub is acting up. Might be simply assembled incorrectly, which is easy to do.

And you can also try turning either CV axle and see if the shaft turns and you can also test the hubs by seeing if the wheel turns if you turn the CV axle.
Old 12-02-2011, 09:46 PM
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ok so if thats the case how much would a set of warn locking hubs run me? and yes i do have manual locking hubs.
Old 12-02-2011, 09:50 PM
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Best bet is if the Aisin hubs are acting up, rebuild them. They are better than the Warns, won't cost you anything and it is easy to work on them. Some links below:
- http://www.4crawler.com/4x4/CheapTri...ld.shtml#Links
Old 12-02-2011, 10:01 PM
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i thought warns were better? and is there a rebuild kit my computer wont let me go to links like that. but how hard is it to rebuild them?
Old 12-02-2011, 11:05 PM
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Originally Posted by 94 toyota 12" lift
i thought warns were better? and is there a rebuild kit my computer wont let me go to links like that. but how hard is it to rebuild them?
No. Warn's aren't better.

Why won't your computer let you go to a normal link?


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