96 2.0 4 cyl, 75 k
trans fluid changing history:
12/09/01 64046 mi drained and replaced 4 qt tranny fluid
july 02 70871mi same as above
car now has 75100 no tranny problems, should i continue to drain and replace fluid approx avery 5-6000 mi to avoid problems or am i just fixing something that is not broke or just looking for problems?