Input Shaft And Gears: Inspection: Synchronizers

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Check spline area of coupling sleeves, hubs and gears for wear or cracks.

Fig 1: Checking Spline Area
Courtesy of NISSAN MOTOR CO., U.S.A.
Check baulk rings for cracks or deformation.

Fig 2: Checking Baulk Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
Check insert springs for wear or deformation.
If any crack, damage, or excessive wear is found on cam face of baulk ring or working face of insert, replace it.
Measure the movement (play, dimension "L") of 3rd and 4th coupling sleeve with the end fixed and the other end lifted as shown in the figure. If the movement exceeds specification, replace the sleeve.

Fig 3: Measuring 3rd & 4th Sleeve Dimension "L"
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: 3rd & 4th Sleeve Dimension "L" Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.
Measure clearance between baulk ring and gear.

Fig 5: Measuring Clearance Between Baulk Ring & Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
1. Clearance between baulk ring and gear: Refer to CLEARANCE BETWEEN BAULK RING AND GEAR .