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Discussion Starter · #1 ·
So, I thought some or all of you may have wondered how are fluids look after 30k miles on Trackhawk, well here it is.

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FRONT AXLE (Top old, Bottom new)

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TRANSFER CASE (Top old, Bottom new)

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TRANSMISSION FILTER (What you see on those 2 magnets and my finger are micro shavings, this is normal, especially on first filter change. First 30k miles, so you got break-in period and 30k miles later. I wouldn't be surprised if you got that on your first 5k miles.)

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TRANSMISSION FLUID (Top old, Bottom new)

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REAR AXLE (Top old, Bottom new)


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2021 Trackhawk
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Great info here. Thanks for taking the time.
 

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WOW! Great post. How many miles where on it?
 

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2018 Jeep Grand Cherokee Trackhawk
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Nice post, I really thought it took more than 5 quarts to service transmission.
 

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Discussion Starter · #8 ·
Nice post, I really thought it took more than 5 quarts to service transmission.
If you want to flush the transmissions, than yes it will take more than 5, but if you take the pan out, replace the filter and than fill it, it's 5 Quarts.

I even asked the technicial at the jeep dealer and that's what he said. He said they do it all the time to Challenger/Charger hellcats. I personally bought 6 Quarts just to be safe, but only 5 went in based on the instructions that Service Manual said.
 

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Discussion Starter · #9 ·
Another thing I should mention, if you can find just a transmissions filter, do it. First time you swap transmissions fluid, you can re-use filler bolt, drain bolt and gasket. Now unless your car is at 100k miles and all rusted out under, than yes, swap those as well.
 

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Thx for the post! I've done this for years as well. It is amazing how dirty things get quickly!

Well done!

Was there any special procedure to re-fill the transmission? I remember on my 2006 Jeep SRT, I had to have it at a certain temp and use a special dipstick to check it.
 

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So, I thought some or all of you may have wondered how are fluids look after 30k miles on Trackhawk, well here it is.

View attachment 9381


FRONT AXLE (Top old, Bottom new)

View attachment 9382


TRANSFER CASE (Top old, Bottom new)

View attachment 9383


TRANSMISSION FILTER (What you see on those 2 magnets and my finger are micro shavings, this is normal, especially on first filter change. First 30k miles, so you got break-in period and 30k miles later. I wouldn't be surprised if you got that on your first 5k miles.)

View attachment 9384


TRANSMISSION FLUID (Top old, Bottom new)

View attachment 9385

REAR AXLE (Top old, Bottom new)


View attachment 9386
[
So, I thought some or all of you may have wondered how are fluids look after 30k miles on Trackhawk, well here it is.

View attachment 9381


FRONT AXLE (Top old, Bottom new)

View attachment 9382


TRANSFER CASE (Top old, Bottom new)

View attachment 9383


TRANSMISSION FILTER (What you see on those 2 magnets and my finger are micro shavings, this is normal, especially on first filter change. First 30k miles, so you got break-in period and 30k miles later. I wouldn't be surprised if you got that on your first 5k miles.)

View attachment 9384


TRANSMISSION FLUID (Top old, Bottom new)

View attachment 9385

REAR AXLE (Top old, Bottom new)


View attachment 9386
I am mostly surprised at the trans fluid. I've always thought that "fill for life" statement seemed like BS, but if it looks like that at 30k, womder if it would be just sludge at 100k.
 

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Discussion Starter · #14 ·
Thx for the post! I've done this for years as well. It is amazing how dirty things get quickly!

Well done!

Was there any special procedure to re-fill the transmission? I remember on my 2006 Jeep SRT, I had to have it at a certain temp and use a special dipstick to check it.

Fill was based on the Workshop manual. Pic attached.
Need 2 people for this tho. One inside the car and one under the car. I have a lift, so it wasn't an issue for me.

*3. I didn't use scan tool, my car was in garage over night before I did fluid change.
*16. There was no codes, so there was no need to use scan tool.

9441
 

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Discussion Starter · #15 ·
I am mostly surprised at the trans fluid. I've always thought that "fill for life" statement seemed like BS, but if it looks like that at 30k, womder if it would be just sludge at 100k.
So about that, when I was at the dealer and while the guy was pulling up all the numbers for the fluids, I asked him about it, other 3 employees started laughing when I said that, so they knew what was up. That was so funny. I'm not entierly sure why the have it "Fill for Life", possible they don't want people messing with it.
 

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So about that, when I was at the dealer and while the guy was pulling up all the numbers for the fluids, I asked him about it, other 3 employees started laughing when I said that, so they knew what was up. That was so funny. I'm not entierly sure why the have it "Fill for Life", possible they don't want people messing with it.
I would think that any fluid for lubrication purposes would eventually break down due to friction/heat. Maybe they rather replace transmissions instead of doing fluid changes. Or maybe as you said, they don't want people messing with it so dealer does it if they deem needed. Just super weird IMO
 
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