Hard to shift into the 4th gear

Probable cause(s)
  1. 4th synchro ring defective.
  2. 3rd/4th synchro sleeve and hub defective.
  3. 4th gear defective.
Notes
  • Check the 4th synchro ring.
  • Check the 3rd/4th synchro sleeve and hub.
  • Check 4th gear.