How many hours should it take to replace transmission seal on a 2006 GMC Denali all wheel drive?

Replacing the transmission seal on a 2006 GMC Denali all-wheel drive typically takes about 4 to 6 hours, depending on the technician's experience and the specific conditions of the vehicle. This process involves draining the Transmission Fluid, removing components to access the seal, and then installing the new seal before reassembling everything. Additional time may be needed if complications arise, such as rust or other damage. Always consult a repair manual or a professional for the most accurate estimate.