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A/T Countershaft Disassembly, Inspection, and Reassembly

  1. Inspect the thrust needle bearing and the needle bearing for galling and rough movement.
  1. Inspect the splines for excessive wear and damage.
  1. Check the shaft bearing surface for scoring and excessive wear.
  1. Lubricate all parts with ATF during assembly.
  1. Install the conical spring washer, the park gear, the reverse selector, the 33 x 45 x 7.8 mm collar, and the gears in the direction shown.
  1. Replace the locknut and the conical spring washer with new ones when assembling the transmission. The countershaft locknut has left-hand threads.
  1. Some reverse selector hubs are press-fitted to the countershaft; remove the hubs with a press, and install them with the special tool and a press.