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Old 12-31-2015, 12:17 PM   #27
Blessed66
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Join Date: Oct 2012
Location: Tyler, Texas
Posts: 217
Re: Opinions on Transmission Fluid Changes

Quote:
Originally Posted by Liberty View Post
My transmission guy said the fluid type doesn't really matter, the main difference he said was some fluids grip differently. He always ran Ford fluid in his GMs to make them shift harder. The GM fluid allows some slippage for smoother shifts.
No offense or flame intended, but your transmission guy obviously never owned a D*dge ATF+3/+4 or F*rd Mercon-V/-SP vehicle in his life.

Go ahead and pour Dex3 in a Dodge. Call me in a few months, let me know how the rebuild was.

But, on topic, I agree that on "clean" transmissions, you are either hastening or prolonging the inevitable (depending on your methods) by changing the filter/fluid. A running habit I've always used at dealerships in the past is... depending on a number of conditions... we don't do trans services on pre-owned inventory. Not sayin it couldn't be done, but the average trans R&R is something in the range of $2-3k depending on, again, a number of conditions.

Just too much risk to be liable for in that business. Again, not saying you can't or shouldn't, but we wouldn't.
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