![]() Only one minor difference exists in how the rear differential is drained and filled. You will be pleasantly surprised at how much money you will save by doing it yourself. It can be difficult to find differential oil that is less expensive than regular oil. If you own a Jeep Wrangler, you should change the differential oil on a regular basis. Changing the differential fluid regularly will help to prolong the life of your Wrangler’s differential, and help to keep it running smoothly. Differential fluid ensures that the gears in your Wrangler’s differential are properly lubricated, and helps to protect them from wear and tear. Subsequent 50k changes with good synthetic typically looks a lot better in my experience.Differential fluid should be changed every 30,000 miles to keep your Jeep Wrangler running properly. I've done first time diff fluid changes at 50k and it was pretty nasty. However u want to look at it, you have to do what you're comfortable doing.Īs I said, my fluid looked good but the magnet was full. Perhaps the 30k equates to the standard 3k oil change and 50k to the 6k oil change. ![]() There are some that do every 6k and you even have extremists who follow Amsoil's 25k! My changing it as early as I did equated to that first 1k oil change in my mind. To use your analogy of oil changes, there are some that do their first oil change at 1k miles and then every 3-6k after that. There is plenty of evidence to say this job should be done, but the interval is much more debatable. It also says to replace at 15k under sever service (towing and such). ![]() There is no service interval in the manual other than to inspect. To me this is like changing oil at 3K miles instead of the I just can't see spending the time or money on something that is Is there some documented evidence that this needs to beĭone in lieu of the service intervals in the maintenance manual? Hope this helps the next person! Edited Augby spect2k Also, there are washers on there that should be replaced, although I didn't. Glad I changed it out, and while the magnet was nasty, I'd recommend 30k for the first change just based on the fluid. The rear diff drain plug magnet was LOADED and all gunked up. Torque Specs: 36.9 lb/ft torque (fill & drain)īoth front and rear fluids looked pretty good at 15k. It may be doable on the ground, but it'd be tough. Always do the fill first (in case you can't get it out). Two 8mm hex fasteners that need to come out. If you wanna see it, just tilt your head sideways under the back of the car like you're 16 and looking up a hottie's dress. Quantity: ~1 quart (until overflow is achieved) Torque Specs: 36.9 lb/ft torque on 8mm hex, 51.6 lb/ft on T70 drain The FSM has generic images of the area that aren't so great, so I hope mine are helpful. I don't have a shot of it, but you need to take off a cover to access it. The front diff drain plug is in front of the CVT pan, not behind it (in line with the axle). In the 1st and 2nd picture in my previous post, you can see that the CVT fill plug is very convenient (on the side facing the drivers side of the car)! These are NOT for the front differential. Maybe you could get there another way, but not that I saw.ĭrain plug for the front differential may be confused for the FILL plug for the CVT! (see warning above). To access it, you have to take off the front passenger wheel. In the picture in my previous post, you can see it with the axle in the picture. Do the rear diff yourself and have the dealer do the front.įill plug access is above the passenger side axle. If you don't know what you're doing or you're not 1000% sure, do NOT continue. Some are for the front differential and others are for the CVT! Again, a warning, do NOT open your CVT. There are quite a few 8mm hex fasteners down there. The biggest warning I will give is to be HYPER aware of what you open before you open it. Now that I've done the job, let me give some pointers and specs for everyone doing this job in the future.įirst, since I was probably the first person to do this work, I ended up getting a subscription for the 2015 factory service manual.
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