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Beware changing LSD lube!!!!!!!!!!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Airun, May 17, 2010.

  1. Oct 20, 2010 at 3:37 AM
    #241
    Janster

    Janster Old & Forgetful

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    Your thoughts are spot-on!

    The AUTO LSD (as Toyota calls it) is an OPEN differential (no clutch paks). Controlled via wheel sensors and braking.
     
  2. Oct 20, 2010 at 3:38 AM
    #242
    Janster

    Janster Old & Forgetful

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    Are you sure you don't have the LSD? Many SR5 trucks had the mechanical LSD as an option. Have you looked at your rear diff and looked for that infamous sticker?
     
  3. Oct 20, 2010 at 8:42 AM
    #243
    Airun

    Airun [OP] Well-Known Member

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    Oh yeah. Ive changed it 2 or 3 times. Says LDS lube only or something to that effect.
     
  4. Oct 20, 2010 at 9:31 AM
    #244
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    I think problem with Synthetic oils lays in their stickiness.
    BTW its not friction that makes it work in clutch pack LSD. Its a hydraulic movement between two surfaces. If it was just friction they would not last as long as they do.
    Whole thing is based o n the idea that if you put two surfaces very close to each other but separated by thin film if one surface moves it will transfer the movement to other surface. Synthetics could be too sticky for thin film.
     
  5. Oct 20, 2010 at 11:52 AM
    #245
    satchsd

    satchsd Old Guy Member

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    keller texas
    I have been reading this thread, getting ready to peform my 30,000
    maintence on my 2009 TRD sport 4 wheel drive. Looked under truck and no lsd sticker, just a sticker that states to look in owners manual for fluid
    type. ( been aircraft mech for 33 years, i read maint manuals). Owners
    manual has no callout for an lsd additive. The manual explains that the traction control works off the brakes. Hope this helps
     
  6. Oct 20, 2010 at 12:18 PM
    #246
    KeithB

    KeithB Well-Known Member

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    Wheels and Tires: 17x8" Ultra Goliath wheels with P285/70R17 Falken Wildpeak AT3/W tires, Suspension: Fox coilovers set at 2", TC UCA's, 1.5" lift 3 leaf pack with overload left in Other: TRD SS exhaust, Pioneer AVIC 4100 H/U with Android Auto (awesomeness), sat radio bluetooth, Accessories: Toyota roof rack, black Toyota running board steps, cargo divider, weathertech floor liners, Literider roll up soft tonneau, thule bars over tonneau, USB ports front and rear, seat heaters, birddawg mirror riser Cosmetic: window tint, grillcraft black mesh upper/lower grill, vinyl armrest in doors, Clazzio black seat covers with blue stitch, Redline steering wheel wrap Lighting: fogs only mod, back up lights, amber interior accent lighting, amber 10" LED light bar in hood scoop, 33" LED bar behind the lower grill, amber lamin-x on fog lights, Tacomabeast headlights and matching tails.
    OK, I'm sold now - using Amsoil 75W90 severe gear in my '09 rear diff, with no additive. 30k maintenance this weekend. I trust you guys much more than toyota techs. Glad I decided against letting Toyota do it, bunch of stooges who just answered "use LSD additive" since everything they've done on Tacomas have had mechanical LSD as I'm assuming they haven't done many '09 and up 30k service yet. So rather than listening to the question and looking it up, they just answer off the cuff. Fuggers!
     
  7. Oct 20, 2010 at 12:35 PM
    #247
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    Its money for them... so they want to sell you as much as possible, its called upsell I belive ;)
     
  8. Oct 21, 2010 at 6:28 AM
    #248
    Airun

    Airun [OP] Well-Known Member

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    Interesting. I was visualizing a similar setup as a wet clutch for a motorcycle.
     
  9. Nov 1, 2010 at 11:06 AM
    #249
    KeithB

    KeithB Well-Known Member

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    Wheels and Tires: 17x8" Ultra Goliath wheels with P285/70R17 Falken Wildpeak AT3/W tires, Suspension: Fox coilovers set at 2", TC UCA's, 1.5" lift 3 leaf pack with overload left in Other: TRD SS exhaust, Pioneer AVIC 4100 H/U with Android Auto (awesomeness), sat radio bluetooth, Accessories: Toyota roof rack, black Toyota running board steps, cargo divider, weathertech floor liners, Literider roll up soft tonneau, thule bars over tonneau, USB ports front and rear, seat heaters, birddawg mirror riser Cosmetic: window tint, grillcraft black mesh upper/lower grill, vinyl armrest in doors, Clazzio black seat covers with blue stitch, Redline steering wheel wrap Lighting: fogs only mod, back up lights, amber interior accent lighting, amber 10" LED light bar in hood scoop, 33" LED bar behind the lower grill, amber lamin-x on fog lights, Tacomabeast headlights and matching tails.
    Status report: Amsoil 75W90 severe gear used in rear diff of 2009 TRD sport 4x4. After 300 miles, no chattering. :) Also did front diff and xfer case with Amsoil 75W90 along with Amsoil 5W30 for the engine. I may have even gained a little mpg :cool: but need more milage to tell for sure.

    I was thinking about when I called Toyota and asked about whether I needed the additive or not and I said I had an '09 with the electronic LSD (not the mechanical one from '05 - '08 models) and they said I still needed the additive. :confused: Anyway, I guess without them looking it up, they just heard LSD and gave me an answer. I suppose techically, it's not LSD because it's not in the differential. It's limited slip traction control, not a limited slip differential. The more appropriate name as Toyota calls it would be VSC (Vehicle Stability Control) via EBD (Electronic Brake Distribution).
     
  10. Nov 1, 2010 at 11:22 AM
    #250
    BlueT

    BlueT Well-Known Member

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    I moded 1999 Taco so much it had turned to Land Cruiser
    nailed.
    but if Toyota changed name it would be bad for marketing. So they stick Auto- infront of the name and pretended its the same thing. Plus think about extra money they will make, brake pads and rotors will wear faster, plus any part that fails in that system its double priced over the old counterpart. Also its harder to troubleshot since it is digital system instead of analog and nobody is going to spend $1500 on TIS. So off to the dealership which will be making a fortune ... :D
    Thats how US companies work it was time for Toyota to get in line with others.
     
  11. Nov 21, 2010 at 10:14 AM
    #251
    WABOOM

    WABOOM Well-Known Member

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    This morning I changed my rear gear lube and used 3 quarts of Valvoline convential 80W90 and a tube of EquaTorque modifier. It was super easy to do this maintenance and rearend shudder is gone.
     
  12. Nov 22, 2010 at 6:12 AM
    #252
    Airun

    Airun [OP] Well-Known Member

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    waboom, is yours LSD?
     
  13. Nov 24, 2010 at 4:01 PM
    #253
    WABOOM

    WABOOM Well-Known Member

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    yes
     
  14. Nov 25, 2010 at 9:18 AM
    #254
    Airun

    Airun [OP] Well-Known Member

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    Just sent off for Blackstone test kits today.
     
  15. Nov 25, 2010 at 9:50 AM
    #255
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    Is this for the first change?
     
  16. Nov 25, 2010 at 9:53 AM
    #256
    DeeKay21

    DeeKay21 Lieutenant Dan.

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    I changed my rear diff oil out with some regular 80-90W valvoline gear oil and used redline friction modifier and it was good to go.
     
  17. Dec 2, 2010 at 2:59 PM
    #257
    NicP

    NicP Well-Known Member

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    Changed rear diff oil with royal purple synthetic and added 1 7oz tube of LSD additive.
    Problem was I didn't come back to TW to check otherwise I would have seen this was a problem for my 05 sport, but what the hey I says Ill see when it starts chattering. It's been a little over 300 miles and no chattering. I will update in a few 100.
     
  18. Jun 16, 2012 at 7:30 AM
    #258
    mtcarrio

    mtcarrio Active Member

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    Hey guys

    I know from your post dates that im about two years late to your convo, but i figured this would be useful to some Taco owners.

    I bought this from a dealership in New Orleans for $7.50

    Photo on 2012-06-15 at 19.27.jpg
     
  19. Jun 16, 2012 at 3:00 PM
    #259
    Asgard

    Asgard Well-Known Member

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    Saw this at the dealer but didn't bother to ask the price.

    utf-8BSU1HLTIwMTIwNDI1LTAwMTIyLmpwZw_131db4db84fb21f21dc5744d9637b15703c920ea.jpg
     
  20. Jun 16, 2012 at 5:30 PM
    #260
    Airun

    Airun [OP] Well-Known Member

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    Thanks for the posts guys....don't know if I'll ever set foot in a dealership in the near future.
    Knock on wood!
     

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