How do I determine what transmission is in my truck???
I have an '07 2500 HD w/6.0L gas & 6 speed auto trans. In my owners manual, it lists two possible types of tranny's, a 6L80E, & a 6L90E. I was wondering how to tell the difference & WHAT is the difference in the tranny's??
I found this..."The 6L90 is the heavy duty version of the 6L80. The 6L90s come equipped in the 2500HD trucks. I also know the 6L90 has 34 spline instead of the 32 in the 6L80. The 6L90 is about 35mm longer than the 6L80." HTH's ..
Thanks Tom! So, 1500's come with a 6L80 then???
Yes a 1500 will come with the 6L80e. The HD trucks get the HD transmission (6L90e)
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