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For 1990-2009 cars only

Synchronizers Assemble NV3500 4WD

Synchronizer Assembly


    Object Number: 4810  Size: SH
  1. Assemble the sleeve and the hub. Check the scribe marks for correct positions.

  2. Object Number: 4731  Size: SH
  3. Remove the spiral lock ring for easier assembly (5TH speed/reverse gear only).

  4. Object Number: 4732  Size: SH
  5. Assemble the spring and the key.
  6. 3.1. Install the spring and key assembly into the hub.
    3.2. Position the assembly as shown in view A.
    3.3. Install one ball at a time.
       • Push the ball into the sleeve. Use a screwdriver.
       • Push the sleeve down just enough to retain the ball.
       • Slide the sleeve up just enough to install each of the remaining two balls.
    3.4. Install the synchronizer rings. Align the synchronizer ring tangs with the keys.
    3.5. Center the hub, the keys, and the balls.
       • Push on the synchronizer rings.
       • The balls will click into position.

    Object Number: 4731  Size: SH
  7. Install the spiral lock ring (5th speed/reverse gear only).

Synchronizers Assemble NV3500 RWD

Synchronizer Assembly


    Object Number: 4810  Size: SH
  1. Assemble the sleeve and the hub.
  2. Check the scribe marks for correct positions.


    Object Number: 4731  Size: SH
  3. Remove the spiral lock ring for easier assembly (5th speed/reverse gear only).

  4. Object Number: 4732  Size: SH
  5. Assemble the spring and the key.
  6. 3.1. Install the spring and key assembly into the hub.
    3.2. Position the assembly as shown in view A.
    3.3. Install one ball at a time.
             3.3.1. Push the ball into the sleeve. Use a screwdriver.
             3.3.2. Push the sleeve down just enough to retain the ball.
             3.3.3. Slide the sleeve up just enough to install each of the remaining two balls.
    3.4. Install the synchronizer rings. The synchronizer ring tangs must line up with the keys.
    3.5. Center the hub, the keys, and the balls.
             3.5.1. Push on the synchronizer rings.
             3.5.2. The balls click into position.

    Object Number: 4731  Size: SH
  7. Install the spiral lock ring (5th speed/reverse gear only).