GMC T Series 1994 Repair Manual page 794

1. Bearing assembly (17) and reverse speed gear
(25) (figure 41).
2. W hen pressing the fifth -re v e rs e synchronizer
assembly (26):
A. Manually align and engage splines.
B. Press until seated.
C. Be sure all shavings are removed.
3. Fifth-reverse synchronizer assembly (26) with syn­
chronizer ring (2) using J 36183, J 36184, J 36513,
and hydraulic press.
• Check scribe marks for correct positions.
• Position spiral lock ring (27) towards reverse
speed gear (25).
4. NEW snap ring (29).
5. Bearing assembly (30) and fifth speed gear (31)
(figure 42).
6. Bearing assembly (17) and first speed gear (22)
(figure 43).
7. W hen pressing the first-second synchronizer
assembly (19):
A. Manually align and engage splines.
B. S tart press operation, STOP before tangs
engage.
C. Lift and rotate gear (22) to engage synchronizer
ring (2).
D. Continue to press until seated.
E. Be sure all shavings are removed.
8. First-second synchronizer assembly (19) with both
synchronizer rings (2) using J 36183, J 36184,
J 22912-01, and hydraulic press.
• Check scribe marks for correct positions.
Im portant
• The groove on the outside of the sleeve MUST
GO TOWARDS THE SECOND SPEED GEAR
to prevent gear clash during first and second
gear shifts. The teeth of the sleeve have differ­
ent angles.
9. Bearing assembly (17) and second speed gear (18)
(figure 44).
• Make sure bearing cage is together.
10. Spacers (16) and collar (15).
11. Bearing assembly (14) and third speed gear (13)
(figure 45).
12. W hen pre ssin g the th ird -fo u rth synchronizer
assembly (7):
A. Manually align and engage splines.
B. S tart press operation, STOP before tangs
engage.
C. Lift and rotate gear (13), to engage synchroniz­
er ring (2).
D. Continue to press until seated.
E. Be sure all shavings are removed.
13. Third-fourth synchronizer assem bly (7) with both
synchronizer rings (2) using J 36183, J 36184,
J 22912-01, and hydraulic press.
14. NEW snap ring (6).
2 RING. SYNCHRONIZER
17 BEARING ASSEMBLY, SPEED GEAR NEEDLE
23 SHAFT. OUTPUT (2WD)
24 SHAFT, OUTPUT (4WD)
25 GEAR ASSEMBLY, REVERSE SPEED
26 SYNCHRONIZER ASSEMBLY, 6TH-REVERSE (MG5)
29 RING, SNAP
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