Good morning and welcome to JustAnswer!!
My name is ***** ***** I have worked for a Chrysler-Dodge-Jeep dealership for 18 years and I will do my best to help.
Yes you can remove the seat covers without removing the seats, but if you wanted to remove them it would make the job easier.. Here is the factory directions:
.Remove seat cushion side covers, and leave connector connected, if equipped.
2.Remove seat track rear cover (if equipped)
3.If equipped, open storage bin to access front pan bolts.
4.Remove bolts attaching seat cushion pan to seat track.
5.Disconnect wire connectors, if equipped.
6.Remove seat cushion from seat.
7.Disengage J-strap retainers holding seat cover to cushion.
8.Remove seat cushion pan from cover and pad
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Have a great day,