Do the auto stores carry a high grade of Transmission oil ?

Does Autozone or Advance or napa carry a better or higher grade of standard transmission oil ?


I am not talking about regular T Oil.


OR,


Do they have additives for standard over the counter transmission oil ?


Reson why: I am having shifting problems(1987 Buick-3,8 L eng-automatic) and plan on changing existings T Oil.


I was told that may correct my problem?


Thank You.Do the auto stores carry a high grade of Transmission oil ?
a higher grade would be like a ';max life'; oil.


yes you can also buy additives.


i suggest from personal use, i would go to napa. they have the best.


FYI if you are having problems changing fluid can make worse, especially if the fluid is very burnt. and AFT+4 is for mainly Chrysler productsDo the auto stores carry a high grade of Transmission oil ?
They might have royal purple or trickshift fluid.


It is not worth the extra money.


Change or clean the filter and flush the fluid.


I do not mean drain and refill-have it flushed.
Yes, your vehicle calls for Valvoline ATF +4. It is a higher grade.