Differential Fluid

Discussion in 'Maintenance' started by OneDog, Aug 1, 2022.

  1. OneDog

    OneDog Well-Known Member

    What brand name differential fluid do you recommend for 2019 Taco?
     
    Scott Wyman likes this.
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  3. tacojoel

    tacojoel Well-Known Member

    I've always used amsoil severe duty 75w-90 gear oil in my toyotas.
     
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  4. TacoTruck2019

    TacoTruck2019 Well-Known Member

    +1 on the amsoil severe gear.
     
    OneDog likes this.
  5. OP
    OneDog

    OneDog Well-Known Member

    I have seen it used in the YT videos so thanks for the confirmation.
     
  6. OP
    OneDog

    OneDog Well-Known Member

    What do you think about using 75w-90 instead of 75w-85 that Toyota calls for?
     
  7. TacoTruck2019

    TacoTruck2019 Well-Known Member

    I don't know this for a fact but I think the 75w85 that they recommend is either a conventional or synthetic blend. If anything the 75w90 will be better because more film strength when hot. I wouldn't do the 75w140, I'd be afraid that'd be too thick.
     
  8. OP
    OneDog

    OneDog Well-Known Member

    140 would be too thick I’d think.
    thanks for reply.
     
  9. tacojoel

    tacojoel Well-Known Member

    75W-90 is the most popular to find. It'll be fine.
     
    OneDog likes this.
  10. JayQQ97

    JayQQ97 Well-Known Member

    there is a guy with a 96 taco in Virginia that has 400k + miles and claims to have NEVER changed the rear or front diff fluid, transfer or the MT fluid. never.
    four hundred thousand miles
     
  11. tacojoel

    tacojoel Well-Known Member

    He probably just changes differentials and transmissions instead.
     
    JayQQ97 likes this.
  12. JayQQ97

    JayQQ97 Well-Known Member

    he claims that he has not in 26 years, all original still. but if he had to then all the good money spent on fluid servicing over this span would more than cover it!
    also he operated a chain of autoparts stores so he says he knows a little something about it
     
    OneDog likes this.
  13. OP
    OneDog

    OneDog Well-Known Member

    My son has a 2002 with 186k and same story. I’m trying to convince him to maintain it better but it keeps running, and I look silly.
     
  14. JayQQ97

    JayQQ97 Well-Known Member

    but he never did show to me the fluid sample that i had wanted to see how black it was or was not :confused:
     
  15. tacojoel

    tacojoel Well-Known Member

    I've seen the differential internals of a chevy truck that the fluids were never changed in 150k miles. The bearings were just about ready to fall apart with the gear teeth razor thin.
     
    JayQQ97 likes this.

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