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Maintenance question
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=22629		 Page 1 of 1
Author:  pookie [ Wed Jul 18, 2007 1:59 pm ]
Post subject:  Maintenance question
I just sold my TJ and will start driving our KJ as a DD. I need to change the fluids in the tranny, and differentials. What fluids are recommended and what are you using? Also it has 102K miles on it, anything else I should check before I take it off road next weekend? It's had the ball joint recall done at the dealership. I do think it is on its original shocks and sturts, which hopefully soon will all be replaced when I get the Rusty's lift. Other than that I am ready to rock.
Author:  sleeve84028 [ Wed Jul 18, 2007 2:42 pm ]
Post subject: 
All the standard Chrysler fluids are to be used.

ATF+4 in the Transmission and T-Case
Then regular gear oil in the diff's (75w-140 although expensive, will keep you covered)


DD-ing the KJ is a smart choice. Mine has been the best vehicle I've ever owned.
Author:  Jeepjeepster [ Wed Jul 18, 2007 4:35 pm ]
Post subject: 
Yes, BE SURE to use ATF+4 in the tranny. You can also use it in the Tcase.

75-140syn is good for the diffs.
Author:  WoodysKJ [ Wed Jul 18, 2007 5:40 pm ]
Post subject: 
at 102k, you SHOULD go through that vehicle from stem to stern and check everything. GOD knows what those 102k were really like. you might have 5 miles left on the axel berrings and be on a 10 mile trail...

Don't worry abut the fluids, as you check EVERYTHING you will need to replace them. Check the Amsoil link above. see if anything there for high milage libbys.
Author:  Rush345 [ Thu Jul 19, 2007 1:48 am ]
Post subject: 
I bought my '02 Libby last July it had 89K. First thing I did was replace all fluids with Amsoil from bumper to bumper used all fluids Amsoil recomended. It's almost the 1 year aniversory of my Libby. No problems even with the high milage and all synthetic. I've used Amsoil since 1975 in all my rides . Wouldn't use anything else, I wasn't sure with the high milage but I've had no problems. Yes I am an Amsoil Dealer, but I wouldn't recomend anything unless I didn't use it my self. In all these years in many different rides Amsoil has never let me down. 8) :) I am not saying buy from me I'm saying just buy it :!:
Author:  sleeve84028 [ Thu Jul 19, 2007 8:04 am ]
Post subject: 
Woody made a very good point about maintence though and I feel it should be restated: Every single inch of your new Liberty should be checked over. Not because of mileage but because you won't really know how the previous owner took care of it, unless you purchased it person to person.

Suspension parts, especially the ball joint recall should be verified
All of the brake parts should be verified, warped rotors are easy to notice but check the thickness to make sure they are within spec
For oils we all have our favorites, I like the overpriced Mobil1 stuff but use your favorite brand and buy good flitlers like WIX or Amsoil
The Spark plugs are super easy to change on the Liberty too so do those yourself and save some $$.

Once you are all good on the minor overhaul, enjoy the ride!
Author:  pookie [ Thu Jul 26, 2007 4:06 pm ]
Post subject: 
Sorry guys been away for a few days.

My wife purchased the Liberty new at the end of 02. It has been in our family since then. It has been the family curiser and her DD since then. It has now 103K almost all highway miles. Which is how I came to get it she needs a commuter with better gas mileage.

It has had all the recalls and almost every service down by the stealership when called for. I have only ever done the oil changes on it.

I'm not sure when the fluids were done last and it would just make me feel better to go ahead and do them.

The ATF + 4 where can I get that? And does it have a more common name?

O and I am hoping to get the CB installed for its first trail ride this weekend. :twisted:
Author:  JJsTJ [ Thu Jul 26, 2007 5:39 pm ]
Post subject: 
You can get ATF+4 spec fluid from a couple different mfg's now at most retail stores such as Wall Mart, etc. but you can also use Amsoil ATF which is a full synthetic. Try not to buy the mopar as the dealer usually charges way more than they should.
Author:  pookie [ Fri Jul 27, 2007 11:08 am ]
Post subject: 
Sweet thanks.

Is there a recommended process on how to change all the different fluids? I've done it on the 911 but it was fairly easily, loosen the filler bolt (to make sure it isn't stuck) then loosen the drain bolt. Empty and refill. Is it that simple on the Liberty?
Author:  JJsTJ [ Fri Jul 27, 2007 11:23 am ]
Post subject: 
pookie wrote:
Sweet thanks.

Is there a recommended process on how to change all the different fluids? I've done it on the 911 but it was fairly easily, loosen the filler bolt (to make sure it isn't stuck) then loosen the drain bolt. Empty and refill. Is it that simple on the Liberty?
The transfer case is pretty much that easy. On the back side of the transfer case you will find two plugs, top is fill, bottom is drain. I always loosen or remove the top plug and then drain the fluid. Replace the drain and fill it back up w/ Two Qts.

The front diff is easy too. There is a drain on the bottom but I also remove the fill plug first as it helps it to drain faster. Drain it, replace the plug and fill it back up.
The rear is tougher because you have to remove the cover and let it drain. It is a little messier process but not dificult at all. I suggest geting a gasket and using a thin layer of RTV on it as the gasket will make reassembly much easier. Make sure the cover and mating surface on the housing are CLEAN before reassembly to ensure a good seal and no leaks.

Good luck!
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