70,000 miles
Drain and change fluid, filter, and gasket
You should change your transmission fluid between 125000 km to 150000 km with the filter for an automatic . and the same for a standard without the filter . because there is no filter required for a standard transmission .
You should change your automatic transmission fluid in Toyota gearbox at least after every 30,000 miles.
In any automatic transmission the fluid should be changed at the interval specified by the manufacturer. You should have the transmission oil filter replaced also at this time. Many shops will just suck out the old fluid and replace it with new without replacing the oil filter.
YOU DON`T ! Take This Car To A Very Good Transmission Shop To Have The Transmission Fluid And Filter Changed. If The Filter Is Not Correctly Placed Back As It Should It Will Not Pump The Fluid Correctly. Best Let The Pros Do This One
The first thing you should do is change the transmission filter and fluid. A restricted trans filter can cause these problems. Do this before you worry about more expense things. Mark
the maintance manual tells you to adjust the bands each time you change the transmission filter, but does not tell you how. the bands should be on inside of pan.
Shifting of the automatic transmission should be smooth. Try changing the transmission oil and filter. If you take it to be done make sure you specify that you want the pan dropped and the filter replaced, as many places suck out the old fluid and do not change the filter.
there is a drain plug on the bottom of the trans will drain out about 4 quarts should change the trans filter located on the front of trans while your at it
Every 15K miles
If it is an automatic transmission every 30 thousand miles.
I am assuming you have an automatic transmission, because the manual transaxle does not have a filter. It is located under the transmission pan and should cost about $40 plus a new gasket and labor if you have someone do it for you.