Happy Monday everyone,

So I have been thinking about going through with a 4WD conversion on my 2000 SR5 2WD w/ an auto trans. I have been getting really into off-roading in the past year and I want to start hitting some more challenging trails but I am have doubts that the runner will be capable of tackling those trails w/ 2WD.

I wanted to make it easier on myself and just find a 4WD 3rd gen (preferably manual) but in my area people want ridiculous amounts of money for one, and I don’t see that trend going away anytime soon, so the 4WD swap seems like the way to go.

I was just wondering if anyone has any experience doing this swap on a 3rd gen. I know I will need a transfer case, front diff & driveshaft, CVs, parts for the interior and mounting hardware, but if there is anything else I am missing please feel free to correct me. I also might swap in a used manual transmission as well, but anyways any tips or advice regarding the swap would be greatly appreciated. Thank you !

This is like deja vu all over again lol

It will be quicker for you to find a 4WD truck than do the conversion on yours unless you have the time and space to find a donor and then all the mods required, clean and refurb parts and do the actual swap - ask me how I know.

I just bought a 99 manual SR5 4WD - look at my sig - after planning the swap for years. It's not impossible, just highly impractical for most - @phattyduck did it, check his build journal.

add to the parts list a rear drive shaft and you need to find a front diff with the same gearing as your rear.

It'd be easiest if you could score an entire salvage yard 4wd to rob from.

So many things are different on the factory 4WD vs the 2WD, including springs and shocks, the ECM, trans pan and dip stick, shift points, trans cross member, the list goes on

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Certainly possible, but not really all that practical. And to the extent other people want too much for their 4WD 3rd gens, yours is worth more now as well, thanks to the rising values. Sell it for more, pay more for a 4WD 4Runner, and enjoy the massive amount of free time you didn't spend messing around with it. You might spend less money as well, depending on where you tried to get all the parts to convert yours over.

If' you're dead set on swapping it, I'd start looking at Copart to buy a complete wrecked donor vehicle. Cheaper than buying each part one by one. And when you're done, sell the wrecked stripped hulk on to a junkyard. Lots of junkyards will send a tow truck by and fetch dead cars and pay on the spot.

Like those that commented above, it's a fait old amount of time and expense to convert.
Can't you travel to a state where the 4WD prices are not as stupid and drive it home?

Follow the link in my signature... lots of details there. And you need some skills, time and space to do it all.

-Charlie

Do you have the mechanical experience and expertise to attempt this?
Do you have all the tools needed? Not just some wrenches and sockets, etc.

The xfr case probably won't mate up to your trans, so you'll need that as well.
If you can't get a donor truck, forget it.

Im going to tell OP to go for it. My buddy Nick converted his 01 SR5 2wd into a 4wd with Jshift and Manual Hubs.

The major obstacle was the trans. He just swapped a couple solenoids and the rear output shaft from a 4x4 trans into his 2wd. He has been wheeling on it and so far its working great.