How to change transmission fluid in tahoe truck?

You really need to use a special machine to flush the system. You can only drain out a small portion of it. The rest is inside the transmission, and in the lines that go to the transmission cooler. If the aforementioned machine isn't available to you, it is best to take the truck somewhere to have the tranny flushed.How to change transmission fluid in tahoe truck?
i prefer to open lower gear try(cover) to change both transmission(fluid and filter)and may be you need to change cover gasket.How to change transmission fluid in tahoe truck?
Remove brace bar from under the tranny with jack on it for support.Pull the trans.pan off.Dump old fluid,change tranny filter,replace gasket,replace pan and brace bar,lower jack,fill with fluid.This is only necesary if your fluid doesnt look ok.In that case ther is a problem somewhere anyway.Unless gasket leaks this will not correct anything.If you take on this project please note that gasket MUST be installed correctly or later problems will resalt from dirt and dibre entering tranny.

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