11-27-2016, 04:49 PM
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#16
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Join Date: Apr 2016
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01-23-2017, 11:52 AM
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#17
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Join Date: Jun 2015
Location: Gilbert AZ
Posts: 743
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NICE build, waiting for the update... and 4wd conversion...
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1999 3rd gen Ltd 4wd 3.4 auto dif lock - Build Thread SOLD!
2019 Tundra Sr5 CrewMax - 1 owner
Doubt kills more dreams than failure ever will.
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03-04-2017, 10:20 PM
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#18
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Join Date: Apr 2016
Location: Tomball, Tx
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Update time. So, after doing the tundra 231 upgrade i never liked how soft my brake pedal was, Despite bleeding the system and verifying that everything was adjusted and working properly. I then started to get gremlins in my ABS system. On several occasions, on dry pavement, under light braking, my brakes would go into full lock accompanied buy harsh grinding sounds. no amount of pedal pumping would unlock them. Scarry stuff, went skidding though an intersection on one of those occasions. Luckily, no one else was in the intersection. Started checking my system out. Sensors and pump all in perfect order, no ABS light on, ever (yes i verified that the indicator was working correctly also). Several people have had this same problem and the cause seems difficult to pin down. So, being that this was my first vehicle to ever have ABS, I'm used to non ABS and had no problem yanking the fuse and not looking back. This however highlighted the fact that my stock master cylinder seemed to not be able to keep up with the larger front calipers. It seemed like when my brakes would lock, the master couldn't move enough fluid to unlock them. So, after some research, i found a few options for upgrades. I ultimately decided on a master/booster combo from a 97 t100. 1ton. My booster was in working order, but the 1 ton master is a 4 bolt, so i grabbed both to simplify things. The master has a 1 1/16" bore vs the stock 1". This doesn't seem like a huge increase, but i felt like i didn't need much considering my rears are still stock. For whatever reason no one sells the 1ton master with the reservoir locally. After eyeballing it though, i was pretty sure it was the same as the one in the 4runner. I swapped them in today without any issues. The reservoir fit perfectly, the booster pedal linkage rod is the same length and thread as stock, the brake lines are the same thread. Results; much firmer, better feeling brake pedal. I even locked it up on the way home (cat ran out in front of me and it was raining) and was able to unlock and stop the truck with a quick half pump. Very pleased overall with the upgrade, and would suggest it to any one else with the same issues.
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
Last edited by TheHoneyBadger; 03-05-2017 at 10:24 AM.
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03-04-2017, 10:31 PM
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#19
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Join Date: Apr 2016
Location: Tomball, Tx
Posts: 103
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Join Date: Apr 2016
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Quote:
Originally Posted by SnowLizard
NICE build, waiting for the update... and 4wd conversion...
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Thanks man, I've seen your rig and will take that as high praise. 😎 4wd swap is happening soon hopefully. I've been waiting on moving to my new place, but that's only a week away now. So, hopefully after that i can get cracking.
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
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03-05-2017, 11:53 AM
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#20
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Senior Member
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Join Date: Nov 2014
Location: The Great PNW
Posts: 2,016
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Senior Member
Join Date: Nov 2014
Location: The Great PNW
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Nice MC upgrade! I haven't done much reading on the 231 upgrade, but by the reports I've heard of soft- or long traveling- pedals, I knew I would be using a bigger MC when I install my 231's.
Were you able to grab OEM parts from a yard?
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03-05-2017, 12:04 PM
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#21
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Join Date: Apr 2016
Location: Tomball, Tx
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Quote:
Originally Posted by Tyler James Inc
Nice MC upgrade! I haven't done much reading on the 231 upgrade, but by the reports I've heard of soft- or long traveling- pedals, I knew I would be using a bigger MC when I install my 231's.
Were you able to grab OEM parts from a yard?
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Thanks. No, i grabbed some re mans from Autozone. Not ideal, but i have to drive a long ways to find yards with Toyota's in them.
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
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03-05-2017, 12:07 PM
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#22
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Senior Member
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Join Date: Nov 2014
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Right on. Yeah, finding a T100 in a yard even in Portland might not be easy- much less a 1-ton!
Well cool. Thanks again for sharing the info. Keep up the good work- I'm a huge fan of trail wheels on 3rd gens!
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03-05-2017, 12:53 PM
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#23
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Join Date: Dec 2015
Location: Spokane, WA
Age: 33
Posts: 162
Real Name: Ryan
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Join Date: Dec 2015
Location: Spokane, WA
Age: 33
Posts: 162
Real Name: Ryan
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Awesome! I've been wanting to do the TBU but have been worried about the 96 MC not being able to handle it. Awesome solution!
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1996 Limited 4x4 E/lock 3" Toytec/Bilstein lift
2008 Chevy Cobalt - Wifes Car - Selling $4k 115k miles
2000 Subaru Legacy GT
1986 Ford F250 Diesel - My First Car, Still have it. Want to buy it? Let me know.
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03-05-2017, 08:59 PM
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#24
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Join Date: Apr 2016
Location: Tomball, Tx
Posts: 103
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Join Date: Apr 2016
Location: Tomball, Tx
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I got some LED reverse lights, a curved 42" light bar, and a panel that has LED rocker switches and marine grade 12v outlets from my girlfriend's parents for Christmas. I've had the switches and reverse lights installed for a while, but forgot to post a pic. Did the outlets today. Switches and dual usb outlet are tied into the box with add a fuses, so they get power with key on only. The last outlet is constant hot, for days i need to leave my phone charging in the truck for a bit. Cut the plug on my radar detector and soldered a usb on it, so that it could be powered by one of the dual usb outlets. [ATTACH][/ATTACH]
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
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03-05-2017, 09:06 PM
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#25
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Join Date: Apr 2016
Location: Tomball, Tx
Posts: 103
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Join Date: Apr 2016
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Couple shots of the reverse lights. Output is pretty outstanding. Also a shot of how i ran the wiring. Power goes through the hinges and tucks behind the weather stripping, then follows the frame to the relay by the battery. Mounting bolt for the hatch hinge is where i grounded. Pretty pleased, the wires are out of the way and almost completely hidden. [ATTACH] [ATTACH][ATTACH][ATTACH]
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
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05-20-2017, 10:13 AM
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#26
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Join Date: Jul 2016
Location: Dallas, Texas
Posts: 57
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Join Date: Jul 2016
Location: Dallas, Texas
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I have been contemplating doing this upgrade as well... I can't stand the brake pedal feel after the 231 upgrade. Do you have part numbers for the booster / master cylinder you used? Thanks
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05-20-2017, 11:49 AM
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#27
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Join Date: Apr 2016
Location: Tomball, Tx
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Quote:
Originally Posted by SinisterGrin
I have been contemplating doing this upgrade as well... I can't stand the brake pedal feel after the 231 upgrade. Do you have part numbers for the booster / master cylinder you used? Thanks
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PM sent.
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
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05-20-2017, 12:43 PM
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#28
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Junior Member
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Join Date: May 2017
Location: Colorado
Posts: 12
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Join Date: May 2017
Location: Colorado
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Nice!
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06-10-2017, 05:00 PM
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#29
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Member
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Join Date: Apr 2016
Location: Tomball, Tx
Posts: 103
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Join Date: Apr 2016
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Finally replaced the cheapo auto zone pads i got when i did the 231 upgrade... won't be doing that again, dust everywhere, they [ATTACH]squeaked, and they never seemed to grab quite right. However, i will note that if you tell Auto zone that your rotors are warped, they'll replace them, no questions asked. Went with some Brimbo pads this time, if they don't work out I'll save up and go toyota next time. I got these for $50 and brimbo has a pretty good reputation, so i figured they were worth a shot. We'll see how they hold up. Also put on some stop tech stainless lines, and painted my calipers red to keep the rust away... Plus they look pretty good though the wheels.
Build thread: http://www.toyota-4runner.org/showthread.php?t=219718
Last edited by TheHoneyBadger; 06-10-2017 at 05:06 PM.
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05-25-2019, 06:53 PM
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#30
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Junior Member
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Join Date: May 2016
Location: Los Angeles, CA
Posts: 23
Real Name: Anwar Al Janabi
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Junior Member
Join Date: May 2016
Location: Los Angeles, CA
Posts: 23
Real Name: Anwar Al Janabi
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Quote:
Originally Posted by TheHoneyBadger
Update time. So, after doing the tundra 231 upgrade i never liked how soft my brake pedal was, Despite bleeding the system and verifying that everything was adjusted and working properly. I then started to get gremlins in my ABS system. On several occasions, on dry pavement, under light braking, my brakes would go into full lock accompanied buy harsh grinding sounds. no amount of pedal pumping would unlock them. Scarry stuff, went skidding though an intersection on one of those occasions. Luckily, no one else was in the intersection. Started checking my system out. Sensors and pump all in perfect order, no ABS light on, ever (yes i verified that the indicator was working correctly also). Several people have had this same problem and the cause seems difficult to pin down. So, being that this was my first vehicle to ever have ABS, I'm used to non ABS and had no problem yanking the fuse and not looking back. This however highlighted the fact that my stock master cylinder seemed to not be able to keep up with the larger front calipers. It seemed like when my brakes would lock, the master couldn't move enough fluid to unlock them. So, after some research, i found a few options for upgrades. I ultimately decided on a master/booster combo from a 97 t100. 1ton. My booster was in working order, but the 1 ton master is a 4 bolt, so i grabbed both to simplify things. The master has a 1 1/16" bore vs the stock 1". This doesn't seem like a huge increase, but i felt like i didn't need much considering my rears are still stock. For whatever reason no one sells the 1ton master with the reservoir locally. After eyeballing it though, i was pretty sure it was the same as the one in the 4runner. I swapped them in today without any issues. The reservoir fit perfectly, the booster pedal linkage rod is the same length and thread as stock, the brake lines are the same thread. Results; much firmer, better feeling brake pedal. I even locked it up on the way home (cat ran out in front of me and it was raining) and was able to unlock and stop the truck with a quick half pump. Very pleased overall with the upgrade, and would suggest it to any one else with the same issues.
Build thread: Build thread
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Thanks for posting this! I’m looking to do this mod as soon as I’m back home from vacation, could you please post or send me the part numbers? Thanks!
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