How do you replace valve body pressure shift spring for a 2001 lincoln ls transmission?

To replace the valve body pressure shift spring in a 2001 Lincoln LS transmission, first, ensure the vehicle is on a level surface and securely raise it. Remove the transmission pan and filter to access the valve body. Carefully detach the valve body from the transmission, noting the position of all components. Replace the old pressure shift spring with the new one, reassemble the valve body, and reattach the transmission pan and filter, ensuring all seals are properly in place. Finally, refill the Transmission Fluid and test the vehicle for proper operation.