How to Remove the Reverse Idler Gear Assembly

The following instructions are used to remove upper and lower reverse idler gears.

Before the upper reverse idler gear assembly can be removed, mainshaft reverse gear must be positioned forward against the next gear.

While removing the reverse idler shaft, the thrust washer can drop to the transmission case bottom.

The mainshaft reverse gear must be moved in order to remove the upper reverse idler gear, see “How to Remove the Mainshaft Assembly”, steps 1-3.

• Typical Service Tools • Jaw Pullers or Impact Puller

1. From the reverse idler gear bore, use inside jaw pullers or an impact puller to remove the auxiliary countershaft front bearing.

2. From the idler shaft, remove the loosened lock nut and washer.

3. From the idler shaft rear, remove the pipe plug.

4. Install an impact puller, 1¦2"-13 threaded end, and remove the shaft from case bore.

5. As the idler shaft and idler plate are removed, remove the thrust washer and gear.

6. Inspect the reverse gear assembly, remove the inner race and needle bearing, if damaged.