I have a 2.2 cobalt with a 4t45 can someone point me in the right direction on where i should begin to learn about trans tuning.
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I have a 2.2 cobalt with a 4t45 can someone point me in the right direction on where i should begin to learn about trans tuning.
x2 please
First you need to know the initial characteristics of your hard transmission in the factory version. What is the main pair of differential, drive and driving gears (gear ratio). The numbers and letters on the TCM are its part number.Quote:
Originally Posted by j27