Nivlac10

Not sure if this constitutes as black? But I could be in denial.

I'm not sure I baught it at just over 62,000 miles

Any repairs to it that can be done before it completely fails

Around 114,000 miles and trans fluid is full

Over the past week I've noticed some had shifts and some jolting while going up an incline. And when you listen closely it sounds like an odd whine in first and second. I thought about changing the speed sensor but i think in the model you need to pull off the valve assembly.