96 runner with 4.56 gearing?

D

djskorch

New member
So I was out and about wheeling this weekend and for the first time, I broke on the trail. :(

I was climbing a slick rock waterfall with a small lip at the top. It had rained the day before so everything was still pretty slick.

I reached the lip and gave the gas a little bump like I have the last couple times I was doing this obsticle and ended up lifting the front driver tire in the air, started spinning and came back down on it to the tune of a loud pop followed by clunking whenever I would give it a little gas.

After checking the cv's on the trail, I have determined it to most likely be a broken ring and pinion.

Now that the story is out of the way, here is my question.

According to the door axle code (A04A) and www.brian894x4.com/Gearratiosanddiffs I have a 4.56 gear ratio however after reading a bit, I have come to think that the only 3rd gens that came with a 4.56 were the 4cyl 4x4 elocker trucks. I have a v6 4x4 elocker and from what I have read, I should have the 4.30 ratio.

Any one care to chime in?
 
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You most likely have 4.30's.. That website you linked doesn't work but I know which one it is and it's not to be truly trusted. It's really old and not been updated. It also has some misleading information. Pretty sure when I used it it gave me some oddball info that I knew was not true.

Is it your front or rear with the issue?
 
JWaldz said:
You most likely have 4.30's.. That website you linked doesn't work but I know which one it is and it's not to be truly trusted. It's really old and not been updated. It also has some misleading information. Pretty sure when I used it it gave me some oddball info that I knew was not true.

Is it your front or rear with the issue?
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Its my front diff. I was able to drive home in 2wd without any noise or issues but shortly after running to the parts store for a few tools, I started to feel a slight blinding on occasion. After I jacked the truck up, I would spin the drive shaft and would get to a "hard" spot where I would have to force it past which also leads me to believe it is the ring and pinion.
 
djskorch said:
Its my front diff. I was able to drive home in 2wd without any noise or issues but shortly after running to the parts store for a few tools, I started to feel a slight blinding on occasion. After I jacked the truck up, I would spin the drive shaft and would get to a "hard" spot where I would have to force it past which also leads me to believe it is the ring and pinion.
Click to expand...

Definitely sound like some busted up teeth.. Those front diffs are a PITA to set up. Hell, they're a PITA just to get out from under the truck. So what are you options as far as fixing it?
 
JWaldz said:
Definitely sound like some busted up teeth.. Those front diffs are a PITA to set up. Hell, they're a PITA just to get out from under the truck. So what are you options as far as fixing it?
Click to expand...

Basically my only 2 options at this point are to find out the gearing and just buy a complete used front diff to throw in or to get a yukon ring and pinion and master instal kit and rebuild it. I dont have the tools or knowledge to rebuild it myself so I would have to take it to a shop for that part. :(

If the gearing is correct, I do have a free front diff from a 02 tacoma trd sitting at my landlords house in a wrecked truck I can go grab whenever but Im not sure the gearing on that one either.
 
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If you can't find a used one quickly I'd suggest going through East Coast Gear Supply. By the time you look at cost of new gears, install kit, and labor it would be rather close to the same as buying an assembled one. then just swap them yourself. Maybe they'll give you a discount.... 'Tis the season

Tacoma 7.5 Reverse Clamshell 3rd Member Assembly
 
djskorch said:
If the gearing is correct, I do have a free front diff from a 02 tacoma trd sitting at my landlords house in a wrecked truck I can go grab whenever but Im not sure the gearing on that one either.
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Go get it, reuse your existing ring and pinion if you can, then you're only out the install kit and a couple hundred more to have it set up.
 
Well I am going to try to get it pulled out this evening after work so hopefully I will know more then. IF it is just the spider gears and the chunks didnt damage the ring and pinion, I will probably just swap them over to the diff from the tacoma and call it good.

My hope is that the diff in the tacoma is the correct gearing and I can simply swap the entire diff and rebuild mine at a later date.
 
djskorch said:
Well I am going to try to get it pulled out this evening after work so hopefully I will know more then. IF it is just the spider gears and the chunks didnt damage the ring and pinion, I will probably just swap them over to the diff from the tacoma and call it good.

My hope is that the diff in the tacoma is the correct gearing and I can simply swap the entire diff and rebuild mine at a later date.
Click to expand...

I don't think Tacomas ever came with 4.30s if that is what yours in fact is. I could be wrong, but I have not seen any.

On a side note - I have a complete set of 4.30s for sale in the classifieds section.
 
I'd recommend just getting a used front diff at this point - Unless you're wanting to throw in an ARB or regear the whole thing, I think you'll make it out much easier with a used diff.
 
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