Shift Bar Housing
Special Instructions
None
Special Tools
None
Component Identification
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1. Detent Cap Assembly 2. Ball and Spring 3. Reverse Plunger (?) 4. Shift Bar Housing 5. Cap Screws (x16) 6. Actuator Assembly (?) 7. Neutral Switch Interlock (?) 8. Air Valve Shaft 9. Reverse / LO Shift Yoke | 10. Lock Screws 11. Reverse / LO Shift Rail 12. Direct / Overdrive Shift Yoke 13. 1st / 2nd Shift Yoke 14. 1st / 2nd Shift Rail 15. Steel Balls (x2) 16. 1st / 2nd Shift Block (?) 17. Direct / Overdrive Shift Block (?) 18. Shift Block 19. Shift Rail |
Shift Bar Housing Disassembly
Remove the three Detent Spring Caps from the Shift Bar Housing.
Tilt the Shift Bar Housing on its side to remove the springs and balls from the housing bores.
Place the Shift Bar Housing assembly upside down on a flat workspace. (The front of the housing facing to the left.)
Cut and remove the lock wire from the Shift Bar retaining cap screws.
Note: Start with the upper Shift Bar, move all bars to the right and out the rear boss bore.
Remove Shift Bar retaining cap screws
Move the 4th-5th Gear Shift Bar to the housing rear, removing the yoke and block from the bar.
Move the 2nd-3rd Gear Shift Bar to the housing rear, removing the yoke and block from the bar.
Remove the small interlock pin from the bore as the Neutral notch in the bar clears the rear boss bore.
Move the short 1st-Reverse Gear Shift Bar to the housing rear, removing the yoke from the bar.
Remove the actuating plunger from the center boss bore.
Tilt the Shift Bar Housing on its side to remove the two 3/4" interlock balls from the housing bore.
Shift Bar Housing Assembly
Place the Shift Bar Housing upside down on a work bench.
Install the bar in the first bore of the Shift Bar Housing.
Install the yoke lock screw and wire securely.
Note: Brass covers must be used on vise teeth (if used) to avoid damaging the Shift Bar Housing gasket surface.
Install the actuating plunger in the center boss bore.
Install one 3/4" interlock ball in the rear boss top bore. This ball rides between the 1st-Reverse and 2nd-3rd Gear Shift Bars.
Note: Coating the 3/4" interlock balls with grease will help keep them in place in the bores.
While holding the notched end of the bar, install the 2nd-3rd Gear Shift Bar in the housing boss middle bore. Position the shift block on the bar between the center and rear bosses.
Position the yoke on the bar between the front and center bosses, long hub to the housing front.
Just before inserting the notched end of the rear boss bar, install the small interlock pin vertically in the Neutral notch bore.
Install the block and yoke Iock screws, tighten and lock wire securely.
Install the second 3/4" interlock ball in the rear boss top bore. This ball rides between the 2nd-3rd and the 4th-5th Shift Bars.
Install the 4th-5th Gear Shift Bar in the housing boss upper bore.
Position the shift block on the bar between the front and center bosses, long hub to the housing rear.
Install the block and yoke lock screws, tighten and lock wire securely.
After all lock screws and safety wire have been installed, flip the Shift Bar Housing over.
Install the three tension balls and springs into the bores on the top of the Shift Bar Housing.
Install the Detent Spring Caps over the springs in each bore; thread in and torque 12–15 lb-ft.
