Removing Fifth And Second Speed Gear; Removing Second And Third Gear Synchronizer Assembly; Removing Third Speed Gear; Replacement Of Case Bearings And Seal - Pontiac TRANS AM 1977 Service Manual

78-50
1 9 7 7 PONTIAC SERVICE MANUAL
Fig. 76-85 Removing Fifth Speed Gear
L I
Fig.
76-86
Removing Second Speed Gear
5105
1
Fig.
78-07
Removing Second and Third Gear
Synchronizer Assembly
Gears
1. Inspect all gears for excessive wear, chips or cracks
and replace any that are worn or damaged.
2. Check all three synchronizer clutch sleeves to see that
they slide freely on their hubs.
Replacing Synchronizer Keys and Springs (Fig.
78-89)
5106
Fig. 76-86 Removing Third Speed Gear
NOTE: The clutch hubs and sliding sleeves are a
selected assembly and should be kept together as an
assembly, but the keys and two springs may be replaced
if worn or broken.
1. Mark hub and sleeve so they can be matched upon
reassembly.
2. Push hub from sliding sleeve and remove the keys and
springs.
3. Place one spring on each side of hub so springs overlap
slots in hub and opening in springs are not opposite each
other.
4. Place shift keys in slots of hub with radius side out
and springs in grooves of keys.
5. Install sliding sleeve onto hub, aligning the marks
made before disassembly. Depress keys for ease of
installation.
REPLACEMENT OF CASE BEARINGS
AND SEAL
Removal and Installation of Input Shaft Needle
Bearing
1. Install Tool J 26225 beneath needle bearing and
expand tool until a f i r m grip is obtained.
2. Use Slide Hammer J 6125 and remove bearing from
case (Fig. 7B-90).
3. See NOTE at beginning of this section. Then, using
Tools J 26222-1 and I 26222-2 with Driver Handle J 8092,
drive needle bearing into case until tool seats on case (Fig.
7B-91).
Removal and Installation of Countergear Needle
Bearing
1. Install Tool J 26225 beneath needle bearing and
expand tool until a firm grip is obtained.
2. Use Slide Hammer I 6125 and remove bearing from
case (Fig. 7B-92).
3.
See NOTE at beginning of this section. Then, using
Tool J 26223 with Drive Handle J 8092, drive needle bearing
into case until tool seats on case (Fig. 7B-93).
Removal and lnstallation of Seal
1. Remove input shaft needle bearing from case, using
Tool
J 26225 with Slide Hammer J 6125.