If you are referring to the linkage that is external from the bellhousing, remove the adjustment nut and the spring and it will come right off. Reinstall in the same manner. If the releae arm is worn out you have to remove the trans as chevyman32 suggested.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine