Baulk Ring Clearance

WARNING: This page is about a different car, the 2003 Nissan Altima and 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Checking the double cone synchronizer (1st and 2nd) baulk ring clearance.

Check clearance of outer baulk ring, synchronizer cone, and inner baulk ring of 1st and 2nd double cone synchronizes, following the procedure below.
CAUTION: Outer baulk ring, synchronizer cone, and inner baulk ring as a set control clearance "A" and "B". If measurement exceeds service limit value, replace all of them as a set.

Fig 1: Checking Double Cone Synchronizer (1st And 2nd) Baulk Ring Clearance
Courtesy of NISSAN MOTOR CO., U.S.A.

Using a dial gauge, measure clearance "A" at 2 or more points diagonally opposite, and calculate mean value.
Clearance "A"
1. Standard : 0.6 - 0.8 mm (0.024 - 0.031 in)
2. Limit value : 0.02 mm (0.008 in) or less
Fig 2: Measuring Inner Baulk Ring Clearance A
Courtesy of NISSAN MOTOR CO., U.S.A.
Using a feeler gauge, measure clearance "B" at 2 or more points diagonally opposite, and calculate mean value.
Clearance "B"
1. Standard : 0.6 - 1.1 mm (0.024 - 0.043 in)
2. Limit value : 0.2 mm (0.008 in) or less
Fig 3: Measuring Outer Baulk Ring Clearance "B"
Courtesy of NISSAN MOTOR CO., U.S.A.