Gear Components: Inspection: Synchronizers

• Check spline portion of coupling sleeves, synchronizer hubs, and gears for wear, chips, and cracks.
• Check baulk rings for cracks and deformation.
• Check shifting inserts for wear and deformation.
  Fig 1: Inspecting Synchronizers

  Courtesy of NISSAN MOTOR CO., U.S.A.
• Check insert spread springs for deformation.
• Measure baulk ring wear.
  1. Measure clearance between baulk ring and gear. Refer to CLEARANCE BETWEEN BAULK RING AND GEAR .
• If the clearance is less than the wear limit, replace baulk ring.

Fig 2: Inspecting Baulk Ring

Courtesy of NISSAN MOTOR CO., U.S.A.