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 Post subject: Transmission Upgrade
PostPosted: Mon Aug 30, 2021 11:37 am 
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Joined: Sat May 29, 2021 7:59 am
Posts: 56
Location: Central Minnesota
I searched around and didn't see what I was looking for..

Does anyone know, or has anyone done... Putting in a newer transmission from a Hemi? Like a 2010 Dodge Durango??? And if so, what fits??? It is my understanding that they have the updated pump, a stronger torque converter(with a low stall like our crds). So, if I am understanding it correctly, it should be plug and play. And way cheaper than buying a front pump, new T/C. I would think a person may still want to do the shift kit...?

Let me know. Thanks.

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2005 KJ Crd Used to own in 2014.. bought back again in 2021
Sasquatch battery tray
Cummins lift pump
GDE Eco tune and trans tune
Samco intercooler hoses
Rocky Road lift w/Toyo 245/75/16

05 CRD swap underway into 76 FJ40


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 Post subject: Re: Transmission Upgrade
PostPosted: Mon Aug 30, 2021 12:05 pm 
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Joined: Sat Aug 24, 2013 11:36 pm
Posts: 6196
Location: Central GA
What I have read.
Any 545RFE will bolt up to the Jeep Liberty.
Later models used a different solenoid pack that is NOT compatible with the 05-06 model electronics. (TCM?)
So you have to remove your solenoid pack from your current tranny and install it in any newer 545RFE you purchase.
They are identified by their color.

As to torque converters; gassers TC's have different stall speed profiles than TC's designed for diesels.
While they will work, they are not near as efficient as the much lower stall speed diesel TC's.

While I am no expert in this areas, the above is just what some others have posted over the years on the subjects.
If I was doing this, I would talk to a transmission expert at a transmission shop and seek out their advice, it might save you a lot of money and headaches. :wink:

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 Post subject: Re: Transmission Upgrade
PostPosted: Mon Aug 30, 2021 1:33 pm 
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Joined: Sat May 29, 2021 7:59 am
Posts: 56
Location: Central Minnesota
Awesome! Thank you for the information.

_________________
2005 KJ Crd Used to own in 2014.. bought back again in 2021
Sasquatch battery tray
Cummins lift pump
GDE Eco tune and trans tune
Samco intercooler hoses
Rocky Road lift w/Toyo 245/75/16

05 CRD swap underway into 76 FJ40


Top
 Profile  
 
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