What Type of Oil
JK Jedi
Joined: Oct 2010
Posts: 6,222
Likes: 376
From: Southwest Reno, NV
No, todays oils are of good quality. If you feel you get better protection by buying a specific brand or synthetic the pick your poison. I just buy what ever is on sale and use a quality filter.
Thread Starter
JK Newbie
Joined: Jul 2015
Posts: 35
Likes: 0
From: Granville, Oh
BTW Thinking about changing the differential fluid as well. How many quarts does that take? I think it looks like about two? And do you recommend me taking the cover off and redoing it all?
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JK Jedi
Joined: Dec 2010
Posts: 5,642
Likes: 486
From: Knoxville
It takes just shy of two. I pull the cover for an inspection of the gears. I found metal missing from my spiders on the most recent check so it's a good idea to check if you're high mileage or 2nd owner.