Castrol auto/cvt fluid exchange coming soon

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Apr 30, 2019
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Location
kansas
Curiosity has gotten the best of me and after seeing this discussed in various threads and on the Walmart shelf I have decided it needed to be done. Within the next two days I will be performing a fluid exchange with pictures on an impala with a 4t65 and reporting back the results. The transmission fluid is already immaculate so any changes if any should be due to the new fluid.
 

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I've never seen a universal ATF/CVT fluid before.. I'll be interested in hearing how it works. I ran a lot of different fluids in my old 4T65E, and none of them caused a problem.
 
I got it done today and on the initial drive it was performing great. From the drivers seat it feels like the shifts are a bit quicker and it took away a slight flare when the torque converter would lock up.
1620604133778.jpg

This was the fluid before the exchange so that there is no ambiguity as to the condition it was in.
1620604219882.jpg

It is pretty safe to say unless something catastrophic happens, i am a believer. We will see over the next thousands of miles if that holds true.
 
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