GMC T Series 1994 Repair Manual page 786

V IE W A
8 SLEEVE, S Y N C H R O N I Z E R
9 BALL, S Y N C H R O N I Z E R D E T E N T
10 SPRING, S Y N C H R O N I Z E R D E T E N T
11 KEY, S Y N C H R O N I Z E R
12 HUB, 3-4 S Y N C H R O N I Z E R
2 0 SLEEVE, 1-2 S Y N C H R O N I Z E R
21 HUB, 1-2 S Y N C H R O N I Z E R
27 RING, SPIRAL L O C K (5TH-REVERSE ONLY)
2 8 HUB, 5 T H - R E V E R S E S Y N C H R O N I Z E R
Figure 22— Synchronizer Assembly
J 36507 Detent Bushing Remover and Installer
J 36800 Shift Rail Busing Remover
J 36511 Oil Fill Plug Hex Bit (17 mm)
1. Press out input shaft bearing (216) using J 36183,
J 36184 and hydraulic press.
2. S hift rail fro n t housing bushing (228), using
J 36800 and J 23907 (figure 24).
3. Clutch fork pivot assembly (219), using J 36510
and J 6125-1B (figure 25).
A. Put an additional nut (3/8-16 thread) onto
J 36510 and thread J 6125-1B onto nut.
B. Tighten both nuts.
C. Slide hammer out pivot.
4. Two detent plunger bushings (242), if necessary,
using J 36507 (figure 26).
• Remove ONE bushing at a time.
5. Breather assembly (223).
• Do NOT remove metal tube from case.
6. Oil fill plug (222) and oil drain plug (225) using
J 36511 (figure 27).
7. Gasket material from the case using liquid gasket
remover.
8
O R
20
V IE W B
3707r5187
Figure 24— Removing Front Shift Shaft Bushing
200. H O U S IN G , FRO NT
228. B EA R IN G , S H IF T SH A FT FRO NT H O U S IN G
219. PIVOT ASSEMBLY, CLUTCH FORK
J 23907
3707r5199