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Old 05-25-2016, 04:52 PM   #9
911monty
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Join Date: Oct 2014
Location: California Central Coast
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Depends on the condition of the fluid. Auto transmissions should have partial fluid changes every 30 - 50k miles depending on service type if you are going to change at all. If the first service is done at >100k then by that time there is usually so much clutch friction material in the fluid that the trans will usually fail shortly after fluid change. Of course after 100k the friction material in the fluid will start to plug the filter and trans will likely start having issues anyway.

Last edited by 911monty; 05-25-2016 at 05:13 PM. Reason: further thought
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