My two style of aluminum rims. The sport rims off the 01 and 02 and the standard 3 spoke split. Almost all my 4 runners have the 3 spoke split. So @octanejunkie say the big 13wl and the larger rotor 231mm fit these 16 inch split spoke rims without modification?

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My 16 inch split 3 spokes would not clear my 13WL calipers.

This is why I use the smaller diameter tundra calipers. They fit these rims. As the 231mm will not fit these rims or a stock spare.

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The smaller 13WE Tundra caliper takes a 199.5mm pad vs the 231mm pad on the larger, 13WL referred to as a TBU

The 199.5mm pad provides the same braking surface area as the stock S13WM caliper/pad that comes on 16" wheel vehicles with 319mm rotors

There is little advantage to the smaller tundra caliper/rotor on a stock 16" 4runner with the S13WM caliper and 319mm rotor, other than the tundra rotor being thicker - the braking surface area is the same

The advantage is no more warp rotors and no spongy brake pedal. Using the same brake pads. If you go larger. You need to run different wheels and you cause brake issues soft petal etc.

The stock rotors are not wide enough to absorb the heat and when the axle hub goes out of true they warp 5x faster.

Being the towing capacity is only 5.5k pounds. Why would you even need more brake surface?

Mine has raybestos rotors with they hybrid pads and stops better then it ever did.

Granted I rebuilt the calipers before using them.

Its complete overkill to run the larger rotors and calipers.

Only exception would be off road use in Mudd and water. But that's its only my opinion..

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The OEM pads for 13WL and 13WE have the same physical brake pad material size. The brake pad backing plate is a different size, but the pad material itself is the same size. The main advantage to the TBU is the larger rotor which is less susceptible to warp compared to the thinner stock rotors. Here's a thread that does a good job of showing the two different brake pads: TBU 231mm vs. 199mm Pad Size

EDIT: It's also worth noting that 13WL and 13WE calipers have the same piston size and count, and therefore will have the same pedal feel.

So what's causing the soft pedal feel all the users are complaining about after upgrade of the larger calipers? Just not bleed properly?

Then if its the same amount of brake pad material the only advantage is more metal in the rotor for heat dissipation. As the braking surface is all the exact same. Regardless of rotor size.

Just reinforces the theory no reason to go any larger then the 13we calipers as there is nothing to gain at all except more metal for heat dissipation. Which is solved by the 199mm wide rotors. They don't warp. Especially if your back brakes are setup and working properly.

The tundra and sequoias weight towing capacity is much higher then the 3rd gens as well.

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The larger calipers 13WL/13WE are causing the soft pedal feel. It's Pascal's law and there is no way around it. Some people are more sensitive to it than others. My last 4Runner had stock, 13WL, and 13WE calipers. There was no change in pedal feel between 13WE and 13WL calipers to me. The current 4Runner has stock brakes and they are more than sufficient for my driving style/needs. I prefer the stock pedal feel vs the 13WL/13WE calipers. I'm hoping that doing the rear disk brake conversion won't compromise my pedal feel too much.

Wow.. My pedal feels exactly the same in both stock and 13WE. Very interesting indeed. Thanks @badluck .
I completely understand now. :-)

Making progress on my body work. The top 2 are extremely close. The bottom one needs some work yet. I need to completely done to put the window up and in the track. Then I can fix the few others with the window up.

My plan is just to use touch up paint to paint these patches. Will it match exactly no. However, it better then the rust holes and rot thst I had before plus my holes will be all sealed. Keeping my windows track from testing up.

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Nothing like pulling apart your parts mobile hatch. To find out the power window mechanism is already gone. Oh well. Such is life..

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I would buy a better brake drum tool then Harbor freights.. I bent that using my hands pulling on a spring...:/

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you can try going after their warranty, it should cover that

If you want them to break again. I would just advise folks to buy a better pair as these broke in the middle of a break job. I was pulling on a spring with the front jaw with my hands when they bent. I bent them back twice then they snapped. So folks can do as they wish. I have no attention to own another pair of these. I shouldn't be able to bend these with hand strength in my book. Metal has to be way too soft.

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As I am slowly working on my Tetanus1 hatch. I am getting tired if driving my 09 Tocuma. So since Joe isn't driving shitbox [ 1997 limited] at the moment. I figured I cruise it around. Only to find out the AC isn't working. Well it got a new drier and Condenser when we changed the engine last winter. So I had it sucked down and charge with dye to see what I was working with.


Being the PO had it completely disconnected. I swapped the compressor when I had the engine out. I figured when I jumped the switch and the compressor kicked. I figured oh probably lost the pressure switch [ I should have grabbed my gauges to verify]

So I take the rig over to my buddy's to have the refrigerant recovered to change this pressure switch. Only to find out I have 10 lbs psi in the system.

So I change my switch and throw almost 2 cans 12 oz cans of 134a to see what I am dealing with.

Low and behold I have 4 leaks. The 2 drier connections and the Condenser upper right above the drier. Along with the dreaded compressor being green with the black light.

So I snug those 3 up and wash them off with water. To see if I can get those to stop seeping. Granted I put new ac o rings on it when I replaced the Condenser and drier. So I am hoping this at least solved those 3 leaks. I have to check in a few days.


You can't go wrong with dye and a black light to find your leaks. The only bummer was I had to wait until dark to see it. :]


This also passed the vacuum test. So you can actually pass that and when you charge it up have leaks.

I figured I share my ac adventure so others can learn from it.

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