Quote:
Originally Posted by catrains
I check the drive train fluids on my oil changes. @3K miles on it the rear diff was a dark gray color.. changed it .. 2016 SR5 4WD.
last nov 2019 diff oil and other drive train fluids still look good.
check the color and condition of the gear oils.
the other issue I had was we all have fuel direct injection engines. well NOW we must use the SN plus engine oil spec... this got approved in may 2018 because manufactures had many of these engines damaged because of the direct fuel injection.
read the back of the oil bottle for SN PLUS not just SN....have fun
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Uhh No- the 4.0 is not a direct injection engine.
