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Discussion Starter #1
Later in the upcoming year I plan to have the transmission serviced at my dealer, figured it be on the safe side. Besides the obvious "Flushing" technique most shops use could they do a simple drain, filter gasket and refill at my request?

Would like a drain/refill when it's at 50k, FL heat and traffic you know?
 

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You might want to change the magnets in the pan also, GM has a bulletin on this P/N 29535617. But, yes your local mechanic is more than qualified.
 

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A flush isn't bad as long as it's done on a regular basis, starting early in the life of the car...say 30-40k.

It gets bad the longer you wait...say 75K+, because that trans fluid becomes thick enough to hold hard parts together that might have failed. Flushing out the glue just makes it a ticking time bomb, if you will.

Pan drop, filter change, and add all 45.2 magnets in the pan.
 

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Drain and fill 3 times and you'll replace around 95% of your fluid
 

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Discussion Starter #6
Flushing 30-40k sounds reasonable, even at 43k? Just thinking of the scenario if all they can do is flush.
 

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Discussion Starter #7
Went to my dealer and it they wanted to Backflush my transmission and said that it doesn't have a filter LOL I left. This is at a GMC/Buick dealership. Why on Earth would they wanna backflush a Buick?! I feel sorry for those that have their fancy Regal Turbo "backflushed".
 
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