M/T Mainshaft Assembly Clearance Inspection
  1. Measure the thickness of 6th gear.
    • If the thickness is less than the service limit, replace 6th gear.
    • If the thickness is within the service limit, replace the 5th/6th synchro hub and 5th/6th synchro sleeve as a set.

    R20A3 Engine Model:

    Standard:
    23.92−23.97 mm (0.942−0.944 in.)
    Service Limit:
    23.80 mm (0.937 in.)


    K24Z3 Engine Model:

    Standard:
    23.83−23.88 mm (0.938−0.940 in.)
    Service Limit:
    23.71 mm (0.933 in.)