Trans problem

[Christian Acosta]

Hi guys i have a 2002 jeep liberty and im having some problems with the transmission, it sound a zum when i accelerate, i wanna change the tran oil but it still have the original oil since somebody buy it in the dealer, what u recommend, change it or leave it??

 

[LibertyTC]

Welcome to the forums.
45RFE trans is computerized and a scan from a trans shop should be able to read trans codes.
Cvi clutch volume index info from scan may help as well.
I would want new atf +4 fluid and filters changed out with only the pan drop, no flush.