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The 5.29 Mega Thread!!

Discussion in '3rd Gen. Tacomas (2016+)' started by JoeCOVA, Jul 6, 2018.

?

What gear oil do you use

  1. 75W-90

    33.9%
  2. 85w-140

    51.2%
  3. Other

    7.4%
  4. 75W-110

    7.4%
  1. Jan 20, 2021 at 11:36 AM
    #3241
    Texoma

    Texoma IG: Triple C Chop Shop

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    Chris(Topher)
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    A bunch a cool stickers, a bada ass MetalMiller Tx Longhorns grill emblem painted Hemi Orange, JBA long tube headers with o2 sims, Diff breather mod, Red LED interior lights, Fancy head unit that plays ipod n movies, Also DIY install factory stuff like, factory cruise control, factory intermittent wipers, OME nitro struts with 886x springs and toy tec top plate, JBA high caster UCA's for better alignmnet and dey beefier too, Old Man Emu Dakar leaf springs in da rear with the gear, U bolt flipper, Ivan Stewart TRD rims with 33" K Bro 2's, some bad ass weather tech floor liners so I don't muck up my interior, an ATO shackle flipper for mo travel in da rear wit the gear, also super shiny Fox 2.0 shocks back there too, all sorts of steal armor for bouncing off of the rocks like demello sliders, AP front skid, trans skid, n transfer skid, demello gas tank skid, and a tough as nails ARB bumper with warn 8k winch, I'm sure there's more
    That "leak" on the breather could just be vapor/mist. Those lines are so small ID that a bubble of oil can get trapped and push its way up too.
     
    Round the world and RyanDCLB like this.
  2. Jan 20, 2021 at 3:00 PM
    #3242
    Round the world

    Round the world Well-Known Member

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    Home's our Tacoma
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    Great! I’ll just keep on the watch list. Hopefully it doesn’t grow
     
    Texoma likes this.
  3. Jan 30, 2021 at 5:20 PM
    #3243
    JoeCOVA

    JoeCOVA [OP] IG @MightyJoeFlannel

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    35" Trepadors w/ OMF Beadlocks, Kings, OBA, 5.29s etc
  4. Jan 30, 2021 at 5:26 PM
    #3244
    PcBuilder14

    PcBuilder14 Well-Known Member

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  5. Jan 30, 2021 at 6:04 PM
    #3245
    JoeCOVA

    JoeCOVA [OP] IG @MightyJoeFlannel

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    35" Trepadors w/ OMF Beadlocks, Kings, OBA, 5.29s etc
  6. Jan 30, 2021 at 6:45 PM
    #3246
    PcBuilder14

    PcBuilder14 Well-Known Member

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    Man, that must be nice. I doubt it’ll help, but it’s worth a shot.
     
    socalexpeditions likes this.
  7. Jan 31, 2021 at 6:25 PM
    #3247
    socalexpeditions

    socalexpeditions IG: @socalexpeditions

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    My truck at 75mph off throttle sounds like a Boeing haha. Gears are fine though, wear is perfect. Just a nitro thing
     
  8. Jan 31, 2021 at 6:26 PM
    #3248
    PcBuilder14

    PcBuilder14 Well-Known Member

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    My Yukons do the same, plus some noise in the 30’s.
     
  9. Jan 31, 2021 at 7:21 PM
    #3249
    Chadr7858

    Chadr7858 Well-Known Member

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    All the mods; all the problems
    Mine noise is exhaust drone
     
  10. Feb 6, 2021 at 1:50 PM
    #3250
    Captbrad88

    Captbrad88 Well-Known Member

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    So, long time lurker to the thread. Finally pulled the trigger on some 5.29 first off I have a 2018 OR w/auto and 33” tires. Running straight on factory gears was just horrible. If anyone says it’s not bad they are lying. Don’t trust them. Needless to say I went with the 5.29 over the 4.88 because I do plan on going 35” tires but pulling a offroad trailer they just made sense. I’m still in the break in period, so haven’t got to try the trailer out but initial review. They are night and day compared to the stock, mileage is around 15, so I do expect that to remain. Shift points are so much better, no more hunting for the gear and I can finally run 6th again. So if anyone is thinking of the 5.29 over 4.88. If you are running bigger than facotry sized just get the damn 5.29
     
  11. Feb 8, 2021 at 10:40 AM
    #3251
    NorCalTacotío

    NorCalTacotío Active Member

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    6” Fabtech lift 35/12.5/17
    Going to try & make this short & sweet...Had my 5.29 Nitros installed in fall last year, everything ran & functions perfect. Did my 500 mile fluid swap front & rear. Again everything is just fine. Drove up to Lake Tahoe for a weekend about a month after doing the fluid change. Strictly HWY driving (no trails no 4WD) came back home & have oil allll over underneath from the upper control arm, strut, cv, frame, cross member all over the wheel well. Followed the trail of fluid up to under my hood to the breather tube. Figured I may have over filled my front diff. So I popped the fill plug to have any excess fluid drip out & even jacked up the front passenger side of the truck to tilt it over to help a little. Cleaned it all up, been good since then. No more drips or oil covering the underneath...drove back up to Tahoe again this past weekend. Again strictly HWY driving, park in the parking garage. Come back the next day & small puddle gear oil under my truck coming from my front diff breather tube again...at this point I can’t understand what’s making this happen besides the high elevation. Sounds dumb but I don’t know what else could be making this happen. I don’t have issues when I’m in my hometown & drive every day with my truck and nothing happens. But when I go high up in elevation it’s spitting out the breather tube....any ideas guys?!?
     
  12. Feb 8, 2021 at 10:48 AM
    #3252
    Pablo8

    Pablo8 The Watusi

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    OVT, 4.88, ADM, F&R ARB lock, KO2's, RWD L MOD
    What fluid?
    Do you have a front locker?
    Aftermarket breather and lines?
    Did you even use 4WD at the passes?
     
    NorCalTacotío and Texoma like this.
  13. Feb 8, 2021 at 11:29 AM
    #3253
    NorCalTacotío

    NorCalTacotío Active Member

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    My front diff fluid...85w140
    No front locker
    No aftermarket parts either
    HWY’s were clear so no 4WD necessary.

    2019 TRD sport 4WD DCLB
     
    Pablo8 likes this.
  14. Feb 8, 2021 at 11:38 AM
    #3254
    Texoma

    Texoma IG: Triple C Chop Shop

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    A bunch a cool stickers, a bada ass MetalMiller Tx Longhorns grill emblem painted Hemi Orange, JBA long tube headers with o2 sims, Diff breather mod, Red LED interior lights, Fancy head unit that plays ipod n movies, Also DIY install factory stuff like, factory cruise control, factory intermittent wipers, OME nitro struts with 886x springs and toy tec top plate, JBA high caster UCA's for better alignmnet and dey beefier too, Old Man Emu Dakar leaf springs in da rear with the gear, U bolt flipper, Ivan Stewart TRD rims with 33" K Bro 2's, some bad ass weather tech floor liners so I don't muck up my interior, an ATO shackle flipper for mo travel in da rear wit the gear, also super shiny Fox 2.0 shocks back there too, all sorts of steal armor for bouncing off of the rocks like demello sliders, AP front skid, trans skid, n transfer skid, demello gas tank skid, and a tough as nails ARB bumper with warn 8k winch, I'm sure there's more
    Has to be because of altitude then. I can't see any reason beside the air pressure being different that would allow oil to travel up the breather.
     
  15. Feb 8, 2021 at 11:42 AM
    #3255
    Pablo8

    Pablo8 The Watusi

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    I would drain for a goodly while and refill just to bottom of fill bolt, normal fill level with 75W-90.

    Altitude I suppose. Seems quite odd.
     
    Last edited: Feb 8, 2021
    NorCalTacotío likes this.
  16. Feb 8, 2021 at 11:44 AM
    #3256
    NorCalTacotío

    NorCalTacotío Active Member

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    That’s thee only thing I can think of. Pretty weird for that to happen but I’m an amateur at this. Learning as I go. Glad I’m not the only one who thinks that
     
  17. Feb 8, 2021 at 3:10 PM
    #3257
    Sixthelement

    Sixthelement Ran over a Yeti once, Texas, never again

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    Bunch o stuff.
    I live at 7k feet. Been through the passes in CO. Alpine loop Omogene etc.
    I haven’t had any blow out like you.
     
    JoeCOVA [OP] and Pablo8 like this.
  18. Feb 8, 2021 at 3:11 PM
    #3258
    socalexpeditions

    socalexpeditions IG: @socalexpeditions

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    Odd, I have never seen it blow out in elevation
     
    Pablo8 likes this.
  19. Feb 8, 2021 at 3:33 PM
    #3259
    Pablo8

    Pablo8 The Watusi

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    The passes are higher than that for sure. 9K-10K+. But still yeah, unless overfilled and over heated shouldn't blow fluid. XXW-140 will cause the differential to run really hot. Frictional heat from overly viscous fluid in a differential is a real thing. No sense at all running 140 in the front. Buys nothing.

    People never listen to me though.
     
  20. Feb 10, 2021 at 9:50 PM
    #3260
    bluewave

    bluewave Well-Known Member

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    I have Nitro 5.29’s with 35’s - 2017 Tacoma... Driving down the street 40 mph my gears blew out out, and destroyed a bearing and the pinion. Gears are only 7 months old... Shop that installed them is telling me its a freak incident and no warranty. One month ago I was on a road that require 4WD but nothing radical... they claim I must have done something then and it finally blew up...now they ant $2500 for new gears to fix.... my gut says BS...Thoughts anyone?
     
    whatstcp and xxTacocaTxx like this.
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