Fan Hub (Belt Driven) - Rebuild (8-04) Section 8 - Cooling System - Group 08 M11 Page 8-30 Use the small end of the bearing driver, Part No. 3823379, to press the spacer and bearing onto the shaft until it contacts the shaft shoulder. If the shaft is shorter than 95.2 mm [3.75 inch], support the shaft with spacer, Part No. 217008 or equivalent. With the tapered (fan mounting) end of the fan hub facing up, place the hub over the shaft and bearing assembly. Use Chevron SRI grease, or equivalent, to fill the hub to the top of the bearing spacer. With the small outside diameter of the bearing facing down, install the front bearing on the shaft.