Is it at the front or middle of the car? Are you sure it's transmission fluid? Your going to have to up under the car to find the source. Could be a transmission line or a gasket.
Search GMC Sierra C/K 1500 Questions
GMC Sierra C/K 1500 Experts
Related Models For Sale
Used GMC Sierra 1500"
781 Great Deals out of 60,646 listings starting at $1,995
Used GMC Sierra"
Used Chevrolet C/K 1500"
1,252 listings starting at $2,450