2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 285Get this manual
Differential: Install the pinion gear assembly and fix the bearing with new snap ring (1) 3B-10
Install new oil seal into the gear case with the special toolSpecial tool (A): 0991370210 (Bearing installer set) Apply grease to the seal lip groove: Grease 9900025010 (SUZUKI SUPER GREASE or equivalent)
CAUTION
Replace the snap ring with new one
Apply gram of water resistance grease to the outside of seal lip groove: Grease 9900025160 (Water resistance grease)