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Unread 12-20-2012, 01:43 AM   #1
Joepla15
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2005 LJ Wrangler 
 
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Just bought first Cherokee- tranny fluid question

I just got a 2000 Cherokee with 113k miles. The tranny fluid color looks golden brown, almost like oil, but is clear and clean. It shifts nicely as well so I'm hoping that the fluid just needs to be changed. Does anyone else have any thoughts on this?

I appreciate your thoughts!


Last edited by Joepla15; 12-20-2012 at 12:34 PM..
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Unread 12-20-2012, 06:56 AM   #2
diskman_1
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Yes! Change ALL the fluids in an unknown maintained XJ.

Tranny gets Dex/Merc III NOT MOPAR ATF+4. It's a Toyota tranny. I wouldn't worry about changing the filter really. Just a drain/fill. There is a plug on the bottom.

Use Synthetic Blend ATF in Transfer case, Syn Blend in both diffs also.

Consider flushing the coolant and refilling with a quality anti-freeze and distilled water.

If you REALLY want to mess with it, get a turkey baster and remove as much power steering fluid as you can and refill. Same to the master cylinder. Just DONT remove all of the brake fluid in the master. Leave about 1/2 inch in the bottom and refill. Careful there.
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Unread 12-20-2012, 09:07 AM   #3
Millermagic
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A lot of the older XJs have overheating problems because people don't maintain the cooling systems.

I'd do a coolant flush, change the fan clutch and the rad cap at a minumim. Probably wouldn't be a terrible idea to throw a waterpump at it too!
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Unread 12-20-2012, 09:20 AM   #4
Kalali
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Also keep a close eye on your coolant level in the reservoir. If you notice a consistent drop in the level with no apparent leak, you may have a cracked cylinder head like hundreds of other folks including me. Do a search and educate yourself about 0331 cylinder heads. There is plenty of information here to help you diagnose a potential cracked head.
Good luck and enjoy your new ride.
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Unread 12-20-2012, 12:30 PM   #5
Joepla15
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Quote:
Originally Posted by diskman_1 View Post
Yes! Change ALL the fluids in an unknown maintained XJ.

Tranny gets Dex/Merc III NOT MOPAR ATF+4. It's a Toyota tranny. I wouldn't worry about changing the filter really. Just a drain/fill. There is a plug on the bottom.

Use Synthetic Blend ATF in Transfer case, Syn Blend in both diffs also.

Consider flushing the coolant and refilling with a quality anti-freeze and distilled water.

If you REALLY want to mess with it, get a turkey baster and remove as much power steering fluid as you can and refill. Same to the master cylinder. Just DONT remove all of the brake fluid in the master. Leave about 1/2 inch in the bottom and refill. Careful there.
Thanks for the fluid info. I'm getting on that today!
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Unread 12-20-2012, 12:33 PM   #6
Joepla15
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Quote:
Originally Posted by Kalali View Post
Also keep a close eye on your coolant level in the reservoir. If you notice a consistent drop in the level with no apparent leak, you may have a cracked cylinder head like hundreds of other folks including me. Do a search and educate yourself about 0331 cylinder heads. There is plenty of information here to help you diagnose a potential cracked head.
Good luck and enjoy your new ride.
Never thought of that so thanks. I'll be keeping a close eye out. As of now the jeep is running at the temp it should be and the previous owner had no problem with coolant, as he had it in Canada for the past few months, but if there is a cracked head in the future what is the cost and how much of a head ache is it to repair?
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Unread 12-20-2012, 12:36 PM   #7
Joepla15
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Again, thank you for the info! I feel much more confident with the Cherokee now!
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Unread 12-20-2012, 06:38 PM   #8
OnTheFence
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Does the turkey baster approach really work for brake lines?
The fluid doesn't "flow" and is just stagnant in the lines.
Replacing the fluid in the master cyl. will not address any bad fluid in the 4 lines, right?
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Unread 12-20-2012, 08:22 PM   #9
Reptile
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Quote:
Originally Posted by OnTheFence View Post
Does the turkey baster approach really work for brake lines?
The fluid doesn't "flow" and is just stagnant in the lines.
Replacing the fluid in the master cyl. will not address any bad fluid in the 4 lines, right?
It does. Not as good as flushing it all out obvisouly but it helps getting rid of some of the mold without having to bleed the system. The new fluid will spread by diffusion.
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Unread 12-21-2012, 08:13 AM   #10
diskman_1
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Quote:
Originally Posted by Reptile View Post
It does. Not as good as flushing it all out obvisouly but it helps getting rid of some of the mold without having to bleed the system. The new fluid will spread by diffusion.


Bingo.

I didn't feel like bleeding my system in 1F weather to refresh the brake fluid. Figured that removing as much of the nasty old black fluid from the res was better then nothing. The old girl is getting a complete brake overhaul next spring/summer anyways.

Also works once you DO flush the brakes. Pulling as much nasty DOT3 from the master BEFORE pumping the crap thru the system is a win-win also.
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Unread 12-22-2012, 04:42 AM   #11
kateean2
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A lot of the older XJs have overheating problems because people don't maintain the cooling systems.

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Unread 12-23-2012, 07:58 PM   #12
Joepla15
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Well I wish I would have known to not bother dropping the tranny fluid pan. That definitely was not as easy as my last tj and according to the dealership, they don't even bother dropping it because of how much of a hassle it is.
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Unread 12-24-2012, 07:35 AM   #13
Millermagic
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The hard part is getting the dipstick tube to mate with the trans pan again.
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Unread 12-26-2012, 11:24 AM   #14
Joepla15
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Quote:
Originally Posted by Millermagic View Post
The hard part is getting the dipstick tube to mate with the trans pan again.
I couldn't even get the tubes to separate and since I broke the seal on the pan and couldn't seal it up properly when I was done, I have a slow leak now.
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Unread 12-26-2012, 02:19 PM   #15
BigByrd47119
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I believe (someone may have a link for it) that the common sure to the dip stick tube problem was to hack it off and replace it with a rubber hose that is zip-tied on and thus can easily be removed and replaced the next time you need to change your trans filter.

Someone? Anyone?

**Edit**

Here we go... http://www.jeepforum.com/forum/f11/2...ssion-1176348/
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