2017 Tahoe what's done when they flush.

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Woodblocker55

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GM service centers doing a flush do they use transmission cleaners and additive with the flush.
And air hose to push fluid thru the transmission. And does the filter get changed .

I'm sure they have dryers on the airline so no moisture can get in there air lines. And I'm sure any additives they put in there they get all flushed back out. Correct ? Thanks for any details on the topic..
 

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