Transfer Drive Gear: Inspection

1. Bearings

   Replace the bearing in following cases:

   • In case of broken or rusty bearings
   • In case of worn or damaged bearings
   • When the bearings fail to turn smoothly or emit noise in rotation after gear oil lubrication.
2. Drive gear

   Replace the drive gear when their tooth surface and shaft are excessively broken or damaged.

3. Measure the clearance between snap ring and inner race of ball bearing with a thickness gauge.

Clearance: 

0.01 - 0.15 mm (0.0004 - 0.0059 in) 

Fig 1: Measuring Clearance Between Snap Ring And Inner Race Of Ball Bearing

Courtesy of SUBARU OF AMERICA, INC.

If the measurement is not within specification, select a suitable snap ring and replace it.