I have a 2000 corolla ve 3 speed automatic VVTI motor, .I want to know if I can get a 4 speed automatic to work if so what years and do I need to change the computer or cu? Any help would be great....I have only found 4 speed trannys for sale out of ce models and le model with O/D.... mine has a bad bearing where the axel goes I think is called a differential bearing not sure.
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