A FLUID LEAK AT THE TRANSMISSION COOLER LINE-TO-TRANSMISSION CASE CONNECTION. THIS MAY BE CAUSED BY CONTAMINATION ON THE COOLER TUBE BETWEEN THE TUBE NUT AND FLARE, CONTAMINATION ON THE TUBE NUT THREADS OR IMPROPER INSTALLATION TORQUE. VEHICLES BUILT 11/13/2000 THROUGH 4/2/2001 EQUIPPED WITH THE 5R55W TRANSMISSION . *TT