GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Aveo 🢒 Transmission 🢒 Manual Transmission - Y4M 🢒 Shift Shaft and Fork Assemblies Assemble

1st-2nd Gear Shift Shaft Assembly

    Object Number: 1241246 Size: SH
  1. Place the shift shaft into a vise with a protector.
  2. Install the 1st-2nd gear shift yoke.
  3. Install the 1st-2nd gear shift yoke pin (1) using a pin punch and a hammer.
  4. Install the 1st-2nd gear shift fork.
  5. Install the 1st-2nd gear fork pin (4) using a pin punch and a hammer.
  6. Install each shift shaft assembly into the gear unit.
  7. Install the gear unit. Refer to Transmission Assemble.

3rd-4th Gear Shift Shaft Assembly

    Object Number: 1241249 Size: SH
  1. Place the shift shaft into a vise with a protector.
  2. Install the 3rd-4th gear shift yoke.
  3. Install the 3rd-4th gear shift yoke pin (1) using a pin punch and a hammer.
  4. Install the 3rd-4th gear shift fork.
  5. Install the 3rd-4th gear fork pin (3) using a pin punch and a hammer.
  6. Install each shift shaft assembly into the gear unit.
  7. Install the gear unit. Refer to Transmission Assemble.

5th Reverse Gear Shift Shaft Assembly

    Object Number: 1241250 Size: SH
  1. Place the shift shaft into a vise with a protector.
  2. Install the 5th gear shift yoke.
  3. Install the 5th gear shift yoke pin using a pin punch and a hammer.
  4. Install the reverse gear shift arm.
  5. Install the reverse gear shift arm pin using a pin punch and a hammer.
  6. Install the reverse shift guide ball and spring.
  7. Install the 5th reverse gear ball.
  8. Install the shift shaft by pushing (1).
  9. Install each shift shaft assembly into the gear unit.
  10. Install the gear unit. Refer to Transmission Assemble.