A/T Countershaft Idler Gear and 4th Gear Axial Clearance Inspection

A/T Countershaft Idler Gear and 4th Gear Axial Clearance Inspection

1. Install the 40.5 mm cotters (A), 2nd gear (B), the thrust needle bearing (C), the needle bearing (D), the idler gear (E), the thrust needle bearing (F), the original thickness 61 mm washer (G), 1st gear (H), 4th gear (I), the 50.8 mm collar (J), the original thickness 50.8 mm washer (K), the 42.2 mm cotters (L), the cotter retainer (M), and the snap ring (N) on the countershaft (O). Install the 40.5 mm cotters, the idler gear, 1st gear, and 4th gear in the direction shown.






2. Insert a feeler gauge blade (A) as thick as possible between the 50.8 mm collar (B) and the 50.8 mm washer (C).






3. Set a dial indicator (A) on the idler gear (B).






4. Measure the idler gear axial clearance in at least three places while moving the idler gear. Use the average as the actual clearance.









5. If the clearance is out of the standard, remove the 61 mm washer and measure its thickness.

6. Select and install a new washer, then recheck the clearance.

WASHER, 61 mm





7. Measure the clearance between the 50.8 mm collar (A) and the 50.8 mm washer (B) with the feeler gauge (C) in at least three places. Use the average as the actual clearance.













8. If the clearance is out of the standard, remove the 50.8 mm washer and measure its thickness.

9. Select and install a new washer, then recheck the clearance.

WASHER, 50.8 mm