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  #13  
Old 11-28-2015, 03:49 PM
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Re: Trans oil change?

THIS is the correct ZF LifeGuard fluid for our Jeep transmissions. MUCH cheaper than the Mopar Branded stuff :

ZF LifeGuard 8 - 1L Container

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  #14  
Old 11-28-2015, 09:49 PM
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Re: Trans oil change?

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Originally Posted by philbytx View Post
THIS is the correct ZF LifeGuard fluid for our Jeep transmissions. MUCH cheaper than the Mopar Branded stuff :

ZF LifeGuard 8 - 1L Container
Thanks Phil... I have the fluid... I'm looking for the pan with the built-in filter.
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  #15  
Old 11-29-2015, 10:11 AM
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Re: Trans oil change?

Found this online, with fiche picture :

http://www.moparone.com/p/Jeep__/Aut...8225344AA.html
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  #16  
Old 11-29-2015, 10:27 AM
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Re: Trans oil change?

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Originally Posted by philbytx View Post
With all the components necessary that they show, you're looking at $284.70. Add to that the "reduced cost" fluid at $22.90 a quart X 10 quarts, and you're looking at a grand total of $284.70 + 10 quarts of fluid at $229.00 = $513.00 for a single transmission service. And that is not including shipping, and it requires you do all the work yourself.

No matter how you look at it, the cost involved to do a simple fluid and filter change with this transmission is completely insane.
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Old 11-29-2015, 12:11 PM
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Re: Trans oil change?

If the manual says not to worry about it, then there you have it folks...don't worry about it. No reason to complicate life by worrying about doing an unnecessary 530 dollar fluid change. Plus, chances are the Jeep will be totaled by then, or in a junk yard due to age, or on its 7th owner before a failure due to fluid would occur.
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Old 12-01-2015, 12:30 AM
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Re: Trans oil change?

Thanks for all the expert opinions. Amsoil has fluid meeting ZF/Chrysler's requirement of Shell ML 12108 for $50/gallon (http://www.amsoil.com/lit/databulletins/g3110.pdf). Just need to replace the pan filter once after the initial break-in. It's been shown there are significant metal shavings caught by the magnets and filters during this period, but not so much afterwards. Hence, future service of the trans is just the cost of the fluid. Yeah, some of us keep our vehicles.


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  #19  
Old 12-01-2015, 08:26 AM
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Re: Trans oil change?

Yes

I am going to change the fluid and panat around 40K.

Have spoken to my pal at the dealer and we will throw the jeep on the lift and open the drain hole in the pan and leave over the weekend to see how much comes out. Will measure. Then drop the pan and see how much comes out with the pan drop Then see how much can initially added, then go thru the process to get the fluid up to temp to get to the correct level and compare that amount to the total that initially came out and then what came out when the pan/filter was removed.

I can then judge and down the road and simply drain x out and replenish periodically without changing the filter/pan.

The issue with these tranmissions there is no dipstick, so one must go 1 for 1 for any fluid removed.

I also assume as time goes by the cost of the fluid will trend lower. I will use the ZF fluid since I have the lifetime warranty.
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  #20  
Old 12-01-2015, 10:07 AM
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Re: Trans oil change?

Quote:
Originally Posted by Turbozcs2003 View Post
Yes

I am going to change the fluid and panat around 40K.

Have spoken to my pal at the dealer and we will throw the jeep on the lift and open the drain hole in the pan and leave over the weekend to see how much comes out. Will measure. Then drop the pan and see how much comes out with the pan drop Then see how much can initially added, then go thru the process to get the fluid up to temp to get to the correct level and compare that amount to the total that initially came out and then what came out when the pan/filter was removed.

I can then judge and down the road and simply drain x out and replenish periodically without changing the filter/pan.

The issue with these tranmissions there is no dipstick, so one must go 1 for 1 for any fluid removed.

I also assume as time goes by the cost of the fluid will trend lower. I will use the ZF fluid since I have the lifetime warranty.
The only thing that concerns me about that type of servicing is the drain plug. It makes a horrible sound as it's being removed. I'm not sure if it's designed to be removed and replaced like most other drain plugs are. The entire pan is designed to be "disposable".

This video shows a detailed look at servicing one of these transmissions. You can watch and hear him removing the drain plug at 14:10 in the video. Everything involved with it is a royal pain in the ass. It is very temperature critical on fluid. There is no dipstick, so it's difficult if not impossible to check the fluid level. The whole bottom pan is plastic. I love the performance of this transmission. But the guy who designed it's serviceability should be stood up against a wall and shot without a blindfold. It's to the point of being totally ridiculous, from both a cost and mechanical standpoint.

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  #21  
Old 12-01-2015, 10:25 AM
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Re: Trans oil change?

That is why I am curious if one simply removed the plug, drained all the fluid out and then refilled if one can get the same amount back in without it pouring out of the pan fill/drain plug.

I will change the pan the first time and determine what issues one might have with the plug, will ask my pal. he has done a few of the ZF 9spd in the cherokees to replace valve bodies but has told me the zf 8spd are bullet proof, no issues, he has never had to open one up and this dealer sells a lot of trucks and Grands.

per the design, that is the German way, make everything ultra complex LOL
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  #22  
Old 12-02-2015, 03:38 PM
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Re: Trans oil change?

looks like it is actually cheaper to buy this zf-lifeguard8 by the case which takes it down to $17.46 per bottle. still expensive but a little better than the $40+ per bottle the dealers want for it. Best I have seen on the 68225344AA pan/filter is $227. definitely an expensive fluid change.

I don't believe in fill for life fluids. one of my past vehicles had a "fill for life transmission" It had a 5 year 60000 mile powertrain warranty on it. massive transmission failures began to happen on many of those vehicles around 70k and up. upon closer examination it was found that sticky solenoids were to blame in the valve body and they were sticky due to fouled transmission fluid, imagine that. lots of angry owners as many of the failures were just out side of the 60k powertrain warranty. mine never failed as I had drained and filled the trans fluid a couple times on my own which was only about $75.

Now that said this trans has a ridiculous trans service cost, around $1000 for the dealer to do it. Just my opinion but If I planned to keep this vehicle less than 100k miles I would not service this transmission at all, the pan has a good filter and magnet setup and will likely get there just fine, its the 100k+ that needs to be considered. But since this vehicle will be kept for the long term and be in the 200k+ mile high club I will probably do service one time around 80k for the do it yourself $450. The other line of thinking is since it is "fill for life" and specifically goes as far as to say trans fluid changes are not necessary, then don't change it at all and when it fails maxcare life time can take care of it, as you would be following the recommended maintenance by not changing it, that's assuming normal non extreme use. guess ill see what mode I am in around 80k lol


ZF LifeGuard 8 - Case of 12 x 1L Container

Mopar*TRANS PAN -*2015 Jeep Grand Cherokee - 68225344AA
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  #23  
Old 12-02-2015, 06:09 PM
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http://www.idparts.com/transmission-...el-p-5251.html

Best price I've found.
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  #24  
Old 12-02-2015, 06:47 PM
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Re: Trans oil change?

OK I'm confused is 68225344AA the same as 68142478AB. I'm seeing both showing up on some of the RAMs. should all be the same old 8HP70 for all though right? 68225344AA is around $250 and 68142478AB is as cheap as $130, there must be some difference there though
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