What kind of transmission does a 2004 GMC Sierra have?
What kind of transmission does a 2004 GMC Sierra have? The transmission options that were available to the 2004 Sierra were as follows: MG5– This is the NV3500 manual transmission. It’s the only manual available for the 2004 Sierra. M30– This is the 4L60E automatic transmission. It came in the lighter duty trucks. It’s a four speed overdrive transmission. MT1– This is the 4L80E automatic transmission. Why does my Trans not go into gear? If it did puke transmission fluid all over, it could be a few things: 1 Loose torque converter 2 Bad seal at the driveshaft/cv joints 3...