GMC T Series 1994 Repair Manual page 793

3. Clutch fork pivot assembly (219) using J 36510 and
J 36190 (figure 39).
• Grease after installation through lube fitting
220
( ).
4. Two detent plunger bushings (242), using J 36507
(figure 40).
A. Install the first bushing until the second scribe
mark on the tool is aligned with the housing.
B. Install the second bushing until the first scribe
mark on the tool is aligned with the housing.
5. Breather assembly (223).
N O T IC E : R e f e r to "N o t i c e " o n p a g e 7 B 1 -1 .
6. Oil fill plug (222) and oil drain plug (225) using
J 36511 (figure 27).
• Apply pipe sealant with Teflon ™ GM P/N
1050280 or equivalent to the threads.
Tighten
• Drain plug to 60 N-m (44 lbs. ft.).
REVERSE IDLER GEAR
ASSEMBLY
Assemble (Figure 23)
*
• Lubricate all components as assembly progresses.
Use lubricant 5W-30 GM P/N 1052931 or equiva­
lent.
1. Bearing assembly (50).
2. Reverse gear (49).
• Extended part of the hub faces thrust washer.
3. Thrust washer (48).
4. NEW snap ring (47).
SYNCHRONIZER ASSEMBLY
Assemble (Figure 22)
❖
1. Sleeve (8) or (20), onto hub (12), (21), or (28).
• Check scribe marks for correct positions.
• Remove spiral lock ring (27) for easier assem­
bly (fifth-reverse only).
2. Spring (10) into key (11).
• Assembly into the hub.
3. Position assembly as in view A (figure 22).
4. Balls (9).
• Push the ball into the sleeve using a screwdriv­
er.
• Push the sleeve (8) or (20) down just enough to
retain the ball.
• Slide the sleeve up just enough to install each
of the two remaining balls (on at a time).
5. Synchronizer rings (2).
• Make sure synchronizer ring tangs line up with
the keys.
6. Center the hub, keys and balls by pushing on the
synchronizer rings. Balls will " click" into position.
• Install spiral lock ring (27) (fifth-reverse only).
MAINSHAFT ASSEMBLY
Assemble (Figures 41 through 45)
❖
Tools Required:
Hydraulic Press
J 36183 Input Shaft Press Tube with Cap
J 36184 Adapter Press Tube Reducer
J 36513 Gear and Bearing Separator Plate
J 22912-01 Separator Plate or Equivalent
• The assembly of some components will require use
of an assembly lube. It is recommended that
TRANSJEL ™ J 36850 or equivalent be used dur­
ing assembly.
•H eat the 2WD speed sensor rotor (45) for 7-10
minutes at 120°C (250T) prior to installation during
assembly procedures.