Differential Fluid

OneDog said:
What do you think about using 75w-90 instead of 75w-85 that Toyota calls for?
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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.
 
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
 
JayQQ97 said:
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
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He probably just changes differentials and transmissions instead.
 
tacojoel said:
He probably just changes differentials and transmissions instead.
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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
 
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.
 
but he never did show to me the fluid sample that i had wanted to see how black it was or was not :confused:
 
JayQQ97 said:
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
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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.
 
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