GM Service Manual Online
For 1990-2009 cars only

    Object Number: 4810  Size: SH
  1. Align the scribe marks on the hub and the sleeve.

  2. Object Number: 38671  Size: SH
  3. Assemble the following synchronizer parts:
  4. 2.1. A blocking ring on the side of the hub and sleeve
    2.2. The keys
    2.3. The first spring
    2.4. A blocking ring on the opposite side of the hub and sleeve
    2.5. The second spring
  5. Position the open end of the springs opposite of each other.