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DISASSEMBLY
1. Set transmission on rear housing.
2. Remove shift tower bolts (1) and shift tower (2).
3. Pry off shift tower boot (1) with a screw driver (2).
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4. Through the shift tower opening (1) align shift rails
(2) and install tie strap to shift rails.
5. Remove 5-6 shift fork pivot pin (1) from both sides
of the case.
6. Remove reverse idler gear shaft pin (1) from the
rear housing (2).
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7. Remove back-up lamp switch (1) bolt (2) and
remove switch.
8. Remove transmission housing bolts.
9. Tap housing with dead-blow hammer and lift front
housing (1) off rear housing (2).
10. Remove 5-6 shift fork (1) from shift rail and syn-
chronizer sleeve (2).
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11. Remove input shaft (1) from mainshaft (2).
12. Thread a M6x1bolt (1) into the reverse idler gear
shaft (2) and pull shaft out of rear housing.
13. Slide reverse idler gear (1) off to the side of the
case (2) for disassembly clearance.
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14. Lift and tilt countershaft (1) then remove main-
shaft with shift rails (2).
15. Remove countershaft.
16. Remove reverse idler gear (1) from rear housing
(2).
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MAINSHAFT
1. Remove reverse (1) 1-2 (2) and 3-4 (3) shift forks
and shift rails as an assembly from mainshaft.
2. Position mainshaft in Fixture 9605 mounted in a
vise with sixth gear up.
3. Remove fifth gear synchronizer rings (1) from 5-6
synchronizer hub (2).
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4. Slowly pull 5-6 synchronizer sleeve (1) up on hub
(2) enough to remove detents and springs (3).
5. Remove 5-6 synchronizer sleeve (1) from hub (2).
6. Remove mainshaft bearing (1) snap ring (2).
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7. Remove mainshaft bearing (1), 5-6 synchronizer
hub (2), and sixth gear synchronizer rings (3) with
three jaw puller (4). Position puller jaws under sixth
gear synchronizer rings (3).
8. Remove sixth gear (1) and bearing (2) from main-
shaft (3).
9. Remove fourth gear (1) snap ring (2).