Allison transmission fluid change interval.
My wife just purchased a 1997 Monaco Winsor. It is a diesel with Allison transmission. It has 40K miles. I am thinking of changing the ATF mostly due to age. I think it takes about 35 quarts and filte...
Forum Discussion
bgum wrote:
And be aware that it takes 2 changes of transynd before you can use the duty cycle of synthetic rather than generic transmission fluid.
Correct.
If this is the first synthetic change, per Allison, the change interval remains the same as for non-synthetic oil.
