If the transmission needs to be replaced, just make sure you are using a tested unit or a new/remanufacture unit from a good company. These vehicles are normally work vehicles so if it is, the last thing you want is to fix it again because you used a salvage yard unit and it fails on you.
Here are a couple guides that will help with this process. The first is a guide that helps with issues that are common to an auto unit. The next is a process on how to replace one that will give good info on how to do it.
https://www.2carpros.com/articles/automatic-transmission-problems
https://www.youtube.com/watch?v=3vJAojsrfuU&pp=sAQA
We don't have a manual on this specific vehicle as it is not offered here in the USA but this process is from a similar unit.
Please run through this material and let us know what you find. Thanks
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Sunday, August 1st, 2021 AT 5:08 PM