It has no filter on the trans-axle. If you are talking about the transmission filter, then it is inside the transmission.
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The only way to change the filter is to remove the trans, take the trans apart, assembling with new gasket, the best fix for this is to install an inline filter.
remove the trans pan and change the trans filter at the same time
the transmission has to be spit apart in order to change the trans filter.
Drop the tranny pan and change the tranny filter at 50,000 miles.
How to change an air filter in a 2001 Grand Prix.
Change the fluid and the trans filter; a dirty trans filter can cause this.
The Transmission filter is on the Inside of the trans. The only way you can change it is to take trans apart.
Drop the trans pan, change the trans filter, replace pan, add aprox 4 qts ATF. That's about all you can do at home. You can have a qualified garage do a tranny flush if they have the equipment.
most filters are inside the trans pan
1 a month