New 4th gen owner, small build initiation

99Runnr

New member
I don't know if this would be the dark side, but after building two consecutive 3rd gen's, this is a change of pace. I loved my 3rd gen's, but they lacked some power I felt, especially after I lifted both, 33's, plate bumpers. The last one was a 3rz, say no more, I dreaded merging onto the freeway with that one.

So when I found myself looking for something 4-door SUV like yet again, I figured it was either supercharged 3.4 or the next gen. I found this 2008 4runner with 160k miles, clean title, interior literally looks almost brand new, 4x4, SR5 (I preferred limited or sport, but oh well) for only $6800. My bank put a value on it of $13,750 so I rolled the dice.

-4WD low doesn't engage, but 4 high does. With a bit of research (honestly doesn't really bother me, long as 4high works) it just seems like it needs to be cycled and free'd up?

-Light was on for low tire pressure. Haven't even added air yet, but worst case it needs a TPMS sensor or air.

That's ALL that was/is wrong. It came from Illinois, so it had some rust. Bottom of frame rail had small surface discoloration right at the channel overlaps. The front differential had the most surface rust, frame cross sections had really minimal surface and a couple super small sections had worked loose some undercoating. I hit everything with a wire wheel, sanding blocks, knocked it down and wiped it off. Then put some rust sealant stuff on it, an 3 coats of undercoating. No metal has anything that concerns me whatsoever and I'm really meticulous.

Perhaps my OCD will get the best of me an I'll coat the inner frame someday, but for now, it already looks like a different truck. It was the vehicle someone takes in for oil changes and not much else. The plugs were original it appears, the diff fluid and t-case were original as well.

So synthetic oil change, new Denso plugs, Wix filter, Amsoil severe gear in the t-case an diff's, an shortly I will also do the 12 quart flush treatment on the transmission. Brakes were just replaced and calipers look good. I will be greasing the sliders and staying on top of that. Grease zerk's were DRY on the driveshaft's but the u-joints are all tight. Cleaned out the funky intake box, TB, MAF sensor, runs beautiful now.

I have some all season mat's on order, small lift (FJ springs and 5100's), SCS wheels and 265/70/17's, nice stereo, remote start/keyless entry to come. I am still poking around and discovering new things daily, only owned it 3 days as of now.

Looking forward to learning more about these platforms (although a lot seems really similar) and seeing what everyone else has done. If anyone has suggestions or .02 about anything, I'm all ears :hello:
 
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Congratulations on your new 4runner! I never understood why there is so much animosity between the generations but I think you will be very happy with your 4th gen. I have a 4th and a 5th and I like the 4th MUCH better.
You are probably right about cycling your 4lo. Mine didn't work and I finally got it to work in the summer by repeatedly cycling it.
If you want to go this route, the TPMS mod is very easy and a cheap alternative. Btw, if the spare is low that will also trigger the light.
It sounds like you are off to a great start so enjoy your new toy.
 
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Sounds like you have a good handle on what to look at and work on. Tire pressure light might be from the spare being low. 4th Gens have the spare sensor which can be frustrating. :P

Also, you can run the 4th Gen in 4Hi on dry pavement so long as the center diff is unlocked. Manual says to run in 4wd 10 miles per month. Might try just leaving it in 4Hi for a bit and see if it loosens things up.

Anyway, welcome!
 
Thank you for the input on the spare, see, I would have gotten pissed and not known that much. I like TPMS sensor's in general, so long as the system functions smoothly, I won't bypass it (unless that refers to just the spare).

Far as the platform goes, I just looked in the back seat for the first time tonight. I flipped the rear seat base up for the spare tire drop rod, finally opened the hatch and looked around. The compartments are nice, I will really dig into the interior soon for the stereo. However, it's so clean, makes me wonder what the hell they used it for. Every single piece of plastic on the interior has no marks, no shoe prints, no scratches from cargo in the back, even the tool kit had every snap and retaining piece securely fastened like it hadn't been off before.

I felt a major improvement just going around the block after the tune up. Was definitely rewarding for a few hours work. Not fast by any means, but it feels solid and improved over the 3rd gen (it actually is fast compared to a 3rz lol).
 

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