You can technically reuse them. Torque to 85ft lbs. Pull the fan shroud and the secondary shroud to make life easy. Leave secondary shroud out to make belt changes simple. 4 15mm hold in the secondary shroud to the block. To remove the fan shroud. Remove radiator hold downs. Lift big wire out of the way. Radiator lays back a bit. Remove upper hose and air bleed. Remove the 2 8mm bolts. Undo lower radiator hose clip. Lift up. Curse a little bit. Then pull the fan. A little tap-r-roo on the on fan nut with air hammer or get the big wrench for it. Fan drops. Then you can get the 15s really easy. Lift out together. Throw secondary shroud on ground. Tell it what a piece of **** it is. To hold fan connector in place. 2 small holes with a zip tie works nicely.