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Unread 11-28-2006, 04:30 PM   #1
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Transmission Fluid Change

I need to change the transmission fluid in my 06 TJ 4.0L, auto. Is there an easier way than dropping the pan ? Any suggestions would be appreciated, Thanks.

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Unread 11-28-2006, 04:32 PM   #2
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Not really. Some people tap the pan and put in a drain plug for it.

Even so, your not going to get all the fluid out. The best thing to do is a complete trans flush, thats the only way to get all the fluid out of the lines, torque converter, etc.

How many miles are on your 06 that you're looking at changing the trans fluid already? Its service interval is every 30k
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Unread 11-28-2006, 04:33 PM   #3
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Not really. If there's a drain plug on the bottom of the pan (not terribly likely), it might save some of the mess.

But the pan should come off anyhow so you can change the filter.
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Unread 11-28-2006, 05:04 PM   #4
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I have 18,000 miles on it, but I think I have some water in it. Would water show up on the dipstick ? I was buried in about 4' of water Saturday for a few minutes before I got pulled out. While on my way home I noticed a noise comming from the tranny, sounds like a vacuum running.

But no water shows up on the dipstick
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Unread 11-28-2006, 05:15 PM   #5
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Is the fluid still red and clear? Or is it milky now? If it's milky, there's water in it.

Even if the fluid still looks okay, a fluid / filter change is cheap insurance, compared to an auto trans rebuild.

Be sure to flush the old fluid out of the converter also.
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Unread 11-28-2006, 05:18 PM   #6
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No, it's not milky. It looks normal to me, but i'm just worried about the strange noise. I changed my differential fluid this weekend and they had alot of water.
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Unread 11-28-2006, 05:23 PM   #7
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Here's a link to a How-To for flushing your converter...

http://www.jeepforum.com/forum/f9/trans-slipping-343345/

Scroll down to the second-to-the-last post.
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Unread 11-28-2006, 05:25 PM   #8
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Great, thank you.
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Unread 11-28-2006, 05:30 PM   #9
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You can disconnect the supply line that runs from the tranny to the radiator. Add another piece of rubber line at that point and insert it into a milk jug that you mark off in a three quart line. Have a friend start the jeep and keep a foot on the brake and place into netural. THe tranny pump will begin to pump fluid out of the torque converter. When the milk jug fills up to the 3 quart line turn off the motor. Pour the old fluid into a proper container for disposal and refill your tranny thru the dipstick tube the 3 quarts you pumped out. Repete this process untill fresh clean ATF fluid comes out. Should take about 12 to 15 quarts. But, be sure to change the trans filter and top off with fluid BEFORE you do this process.
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Unread 11-28-2006, 05:44 PM   #10
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LOL!

JBTJ, it's your own write-up that I linked to!

Reruns, anyone?
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Unread 11-28-2006, 05:47 PM   #11
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Does anyone know roughly what a dealer charges for a tranny fluid change ?
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Unread 11-28-2006, 05:57 PM   #12
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IIRC, most dealers charge around $150-200. Most quick lubes charge around $100. Either way, you will want to use a shop that has a T-Tech as it offers the best change.

As for fluids, if you do it yourself (or have anyone else do it), make sure that you use a fluid meeting Chrysler's ATF+4 spec. Amsoil, Redline, and IIRC Valvoline all make fluids meeting the ATF+4 spec. I have seen MOPAR fluid run around $15/qt.
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Unread 11-28-2006, 05:59 PM   #13
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Quote:
Originally Posted by Stretch67
LOL!

JBTJ, it's your own write-up that I linked to!

Reruns, anyone?
Yeah, that is pretty funny isnít it
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Unread 11-28-2006, 06:04 PM   #14
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Quote:
Originally Posted by James04TJ
IIRC, most dealers charge around $150-200. Most quick lubes charge around $100. Either way, you will want to use a shop that has a T-Tech as it offers the best change.

As for fluids, if you do it yourself (or have anyone else do it), make sure that you use a fluid meeting Chrysler's ATF+4 spec. Amsoil, Redline, and IIRC Valvoline all make fluids meeting the ATF+4 spec. I have seen MOPAR fluid run around $15/qt.
To add to this. A flush is okay to do if the fluid has been changed frequently in the transmission. If not, then flushing will move some of the build up crud to all the wrong places. Thus resulting in poor transmission performance. Since your Jeep has very low mileage you wonít have to worry about that problem. Though you can buy the Valvoline ATF+4 for just under 5 bucks a quart. Still much cheaper to do your self.
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