A/T Countershaft Disassembly

A/T Countershaft Disassembly

Exploded View





NOTE: Refer to the Exploded View as needed during the following procedure.

1. Secure the final drive gear part of the countershaft in a bench vise with wood blocks, loosen the lock bolt (A), and remove it. The lock bolt has left-hand threads.

NOTE: After this procedure, remove wood chips that may be stuck to the gear.






2. Place the park gear (A) on press bases (B), and place a spacer (C) between the countershaft (D) and the press to prevent damaging the countershaft.






3. Remove the ball bearing (A), 2nd gear (B), the 42.5 mm thrust shim (C), the 5th gear collar (D), the 42.5 x 52.5 x 2.5 mm thrust washer (E), 5th gear (F), 1st gear (G), the 53 x 57 x 20 mm needle bearing (H), and the park gear (I) using a press.





4. Inspect the bearing for galling and rough movement.

5. Check the shaft bearing surfaces for scoring and excessive wear, and check the shaft splines for excessive wear and damage.

6. Check the countershaft 2nd gear axial clearance and the 5th gear axial clearance A/T Countershaft 2nd Gear and 5th Gear Axial Clearance Inspection, and check the 1st gear one-way clutch A/T Secondary Shaft 1st Gear One-Way Clutch Inspection.