REPAIR INSTRUCTIONS 5. Install the No. 3 (lower) reverse idler shaft into the opening provided next to the installed countershaft. As the reverse idler shaft is inserted into the case, install (in order) the reverse idler gear and thrust washer onto the shaft, from inside the case. 517
Make sure that the thrust washer is aligned correctly with the idler shaft while tapping the idler shaft into place. If not aligned, damage to the thrust washer may result. 519
Figure 517 — Order of Reverse Idler Shaft and Components 1. Reverse Idler Shaft
2. Thrust Washer
Figure 519 — Tapping Reverse Idler Shaft into Place 520
6. Align the flat on the end of the reverse idler shaft (next to No. 3 countershaft) with the mark made along the edge of the shim pack. 518
Figure 520 — Reverse Idler Shaft Protrusion
Figure 518 — Aligning Reverse Idler Shaft with Marks
7. Maintaining mark alignment, use a brass hammer to tap the reverse idler shaft for the No. 3 (lower) countershaft into the case. To ease installation of the mainshaft, do not drive the reverse idler shaft all the way into the case at this time. Leave approximately 1/2 inch of the idler shaft protruding above the case as shown in Figure 520. Be sure to maintain mark alignment.
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Leaving the reverse idler shaft protruding from the transmission case allows the countershaft to be moved rearward to provide sufficient clearance for installation of the mainshaft.
