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Hard to shift into 4th gear

Probable cause(s)
  1. Worn or incorrect MTF.
  2. 4th synchro ring defective.
  3. 3rd/4th synchro sleeve and hub defective.
  4. 4th gear defective.
  5. Change lever assembly defective.
Diagnostic procedure
  • Check and/or replace the MTF.
  • Check the 4th synchro ring.
  • Check the 3rd/4th synchro sleeve and hub.
  • Check 4th gear.
  • Check the change lever assembly.