2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 347Get this manual
Propeller Shafts: Insert the universal joint to the bearing and check the play by turning the universal joint, as shownIf excessive play is noted, replace the bearing with new one 3D-13
Front Output Shaft Bearing (LT-A400F, LT-F400F) Inspect the front output shaft bearing for abnormal noise and smooth rotationReplace the bearing if there is anything unusual
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Front Output Shaft Related Parts Inspection (LTA400F, LT-F400F)
Refer to "Front Output Shaft Disassembly and Assembly (LT-A400F, LT-F400F) (Page 3D-10)"Front Output Shaft (LT-A400F, LT-F400F) Inspect the front output shaft for distortionIf distortion is found, replace the front output shaft with new oneB827H23406007
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Drive Bevel Gear Removal and Installation (LTA400F)