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Transmission Fluid Maintenance Question

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Old Jul 21, 2021 | 07:58 AM
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Default Transmission Fluid Maintenance Question

I have a 2017 Wrangler with 40K on it. When would you suggest I change the Transmission Fluid. It’s an automatic.
Thank you
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Old Jul 21, 2021 | 08:16 AM
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Here is the snapshot from my '13 owner's manual which should be the same for your 3.6L -


You have a while. I did change mine at 60k miles as I do a good bit of wheeling. Most of us do a simple drain, replace the filter and refill......not a "flush".

Welcome to JKF as well
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Old Jul 22, 2021 | 02:03 AM
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Thank you for your advice. I like to hear what other people are doing.
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Old Jul 22, 2021 | 04:12 PM
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If you did not buy the truck new then the first thing I would do is change the oil like what Resharp talked about. Called peace of mind. I don't care what manuals say - you need to change transmission oil every 30,000 miles or 2 years IMO. Why? Because you have to pay for it when it is damaged during wear and tear even in warranty times but usually shows up as trouble outside the warranty period.
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Old Jul 22, 2021 | 04:25 PM
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Originally Posted by Sixty4x4
If you did not buy the truck new then the first thing I would do is change the oil like what Resharp talked about. Called peace of mind. I don't care what manuals say - you need to change transmission oil every 30,000 miles or 2 years IMO. Why? Because you have to pay for it when it is damaged during wear and tear even in warranty times but usually shows up as trouble outside the warranty period.
Good point, I will make an appointment soon. Thank you so much for your input.
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Old Jul 23, 2021 | 09:13 AM
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The Topsider is a great cheater method for our JK's tranny fluid. Worth the $60 on Amazon. I do the topsider method every 30k and drop the pan and change the filter every 60k.
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Old Jul 23, 2021 | 10:48 AM
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Originally Posted by EHarris
The Topsider is a great cheater method for our JK's tranny fluid. Worth the $60 on Amazon. I do the topsider method every 30k and drop the pan and change the filter every 60k.
In the past I've used mityvacs that looked like th elink below for the purpose of sucking out fluids from the top. I had not seen the topsider before until you brought it up. That looks like it might be easier to store maybe. I'll need to get something at some point for my next tranny service. I got rid of the Mityvac years ago with the BMWs and I'm not going the "controlled" spill route again. That was a mess.

https://www.amazon.com/Mityvac-7201-...7065977&sr=8-3
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Old Aug 7, 2021 | 07:34 AM
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Originally Posted by resharp001
In the past I've used mityvacs that looked like th elink below for the purpose of sucking out fluids from the top. I had not seen the topsider before until you brought it up. That looks like it might be easier to store maybe. I'll need to get something at some point for my next tranny service. I got rid of the Mityvac years ago with the BMWs and I'm not going the "controlled" spill route again. That was a mess.

https://www.amazon.com/Mityvac-7201-...7065977&sr=8-3
Dropping the pan has never been easier with a TopSider for a tranny service. I didn't spill any fluid when I did mine and its a great cheater method to keep the fluid after the change perfectly red at all times. I think you can definitely hear when the fluid is low or when its dark brown and no longer doing anything. The vehicle shifts poorly and is loud.
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Old Aug 7, 2021 | 08:39 AM
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Changing the transmission fluid made a big difference in how it runs. It seems to have more power and pep.
I am glad I didn’t wait until 60K.
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Old Aug 8, 2021 | 08:37 AM
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Originally Posted by SuzyJeeper
I have a 2017 Wrangler with 40K on it. When would you suggest I change the Transmission Fluid. It’s an automatic.
Thank you
yes yes yes change it
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