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-   -   Transmission and Diff fluid changes. (http://www.jeepforum.com/forum/f292/transmission-diff-fluid-changes-1704034/)

Steve40th 10-20-2013 01:34 PM

Transmission and Diff fluid changes.
 
I have a 2012 Liberty 4WD with an automatic, 15 kmiles (new to me and want to start a log book on it for maintenance). I cant get search to work here, so I am asking about transmission fluid/filter change advice. Drain Plug and recommended fluid/
Also, I want to change the differentials/transfer case fluid.
Thanks in advance.

Gageraid 10-20-2013 04:40 PM

Check the owner's manual.
Transmission can only be done by a dealer.
Rear diff requires a little skill.
Front is cake.
Transfer case is stupid easy, too.

Here is my how to on the transfer case fluid.

Things you'll need: One Jeep Liberty KK,

http://i301.photobucket.com/albums/n...psc0cf230d.jpg

A drain bucket, ATF+4, and a 10 mm allen wrench.

Check that the fill plug is able to loosen.
http://i301.photobucket.com/albums/n...ps5346bd3c.jpg

Now put your fill bucket underneath and loosen and remove the drain plug.

http://i301.photobucket.com/albums/n...ps25057910.jpg

After it's drained, replace the drain plug, and add your fluids to the fill plug and finish.

Steve40th 10-20-2013 04:44 PM

Thanks, the transmission I was going to do a drain and fill. After I install a drain plug, if allowed without voiding warranty?
I believe drain and fills should be done often in an automatic.

AtTheHelm 10-20-2013 04:57 PM

You'll need to take it to a dealership for the transmission as kk 's have no dipstick and the filler tube has a plug on it. It requires a scanner that reads the trans temp to do it correctly.

As for the diffs and t-case, easy to at home. Your owners manual tells you what type of fluids to use and how much.

Steve40th 10-20-2013 05:04 PM

I dont think a dealership will do drain and fills. It will either be questioned, or not recommended. And if they do it, how would you know. I am not very trusting of stealerships. Never have been.
I would rather get the tools they use, and then do drain and fills. This reminds me of my Golf VW I had. They wanted 475 bucks to replace fluid....Insane.

Gageraid 10-20-2013 11:05 PM

I guess you just have to trust the dealer when it comes to the transmission fluid.
You could buy the tools they use, prob cost you near 2-400 I would think.
You could also just guess with how much fluid you have in there when you refill it.
Your Jeep.

Steve40th 10-21-2013 03:26 AM

Quote:

Originally Posted by Gageraid (Post 17010466)
I guess you just have to trust the dealer when it comes to the transmission fluid.
You could buy the tools they use, prob cost you near 2-400 I would think.
You could also just guess with how much fluid you have in there when you refill it.
Your Jeep.

If you measure what you drained out, you can guess pretty well how much needs to go back in.
In an earlier post someone stated the filler tube has a plug in it? Makes me wonder how the transmission vents.

tjkj2002 10-21-2013 04:13 AM

Quote:

Originally Posted by Steve40th (Post 17011890)
In an earlier post someone stated the filler tube has a plug in it? Makes me wonder how the transmission vents.

Via the trans vent.


Oh and the dealership will do a drain/refill and change the filter.

Steve40th 10-21-2013 04:26 AM

Quote:

Originally Posted by tjkj2002 (Post 17011994)
Via the trans vent.


Oh and the dealership will do a drain/refill and change the filter.

Trans vent in the back? Learning this vehicle every day. Wifes car and we are in different places due to job.
Any idea on cost for drain and fill? 2hrs plus material?

tjkj2002 10-21-2013 04:38 AM

Quote:

Originally Posted by Steve40th (Post 17012082)
Trans vent in the back? Learning this vehicle every day. Wifes car and we are in different places due to job.
Any idea on cost for drain and fill? 2hrs plus material?

The trans vent in on top of the trans and the tube should be zip-tied to the trans dipstick tube(or just tube for you guys).


Expect a trans drain/refill and filter change to run about $100-$150.

pakman325 10-21-2013 07:21 AM

So I asked this in another thread, but didn't get a clear answer... How often should the trans fluid be changed? What would the interval look like for heavy duty use vs DD use?

Gageraid 10-21-2013 07:28 AM

At or before 50K.

Drednot 10-22-2013 01:11 AM

Put your vehicle on level ground cold and let sit for a bit. Then take your engine oil dipstick and check the trans fluid level with it. Scribe a line. That's your cold fill benchmark. Then take a drive and get the trans to temp and repeat. Scribe a line for your hot level benchmark. Measure how much oil you drain out and refill to get to the cold fill line. Take a drive to verify it gets to the hot fill line and you should be good. Don't over fill as that is what prompted the factory to remove the dipstick from our grubby little mitts

Steve40th 10-22-2013 03:45 AM

Quote:

Originally Posted by Drednot (Post 17042130)
Put your vehicle on level ground cold and let sit for a bit. Then take your engine oil dipstick and check the trans fluid level with it. Scribe a line. That's your cold fill benchmark. Then take a drive and get the trans to temp and repeat. Scribe a line for your hot level benchmark. Measure how much oil you drain out and refill to get to the cold fill line. Take a drive to verify it gets to the hot fill line and you should be good. Don't over fill as that is what prompted the factory to remove the dipstick from our grubby little mitts

Sweet. This makes perfect sense.

suzuki_gixxer 10-28-2013 08:33 AM

great info, how much trans fluid should appr come out at 50k?

just to now if a dealer should quote me 4l or 8l.


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