Chevrolet 70 1969 Series, Shop Manual

Page: 777 / 913

TRANSMISSION AND CLUTCH 7-31
Figure 2P— Transmission w,Shift Bar Rerroved
5. Countershaft 4th Speed Gear
6. Mainshaft 3rd Speed Gear
7. 2nd and 3rd Speed Synchronizer Assy.
8. Mainshaft 2nd Speed Gear
9. Mainshaft 1st and Reverse Gear
10. Mainshaft
1 i. Reverse Idler Gear
1. Main Drive Gear
2. Countershaft Drive Gear
3. 4th and 5th Synchronizer Assy.
4. Mainshaft 4th Speed Gear
spacer (37) from transmission case.
4. Remove two reverse idler gear bearings (36) and bear­
ing spacer (37) from hub of idler gear (35).
COUNTERSHAFT REMOVAL
1. Push countershaft (34) toward rear to move counter­
shaft rear bearing (32) out of transmission case far
enough to remove snap ring from bearing.
2. Using a suitable puller, remove countershaft rear
bearing (32) (fig. 5P).
3. Raise front end of the countershaft (34) and iift the
assembly from transmission case.
4. Using a crowfoot pry bar in manner shown in Figure
7, carefully pry the countershaft front bearing (44)
out of transmission case.
DISASSEMBLY OF SUBASSEMBLIES
CONTROL TOWER DISASSEMBLY
Key numbers in text refer to Figure 7P.
NOTE: On transmissions having a conventional
gearshift lever, accomplish the following proce­
dures:
1. Remove shift lever knob and dust cover (2) from shift
lever (3).
2. Remove gearshift lever support spring (5) and support
spring washer (1).
3. Push gearshift lever (3) out through bottom of control
tower top (6). Remove shift lever pivot pins (4).
SHIFTER BAR HOUSING DISASSEMBLY
Key numbers in text refer to Figure 9P.
1. It is suggested that each shift rod. shift fork, and shift
lug be tagged so they can be properly positioned when
the shift bar housing is reassembled.
2. Place shift bar housing on bench upside down with
Welch plug openings toward repairman. Remove
three shift rod hole Welch plugs.
3. Remove lock wire (5) from shifter lugs and shift forks:
then shift all rods into "N eutral'' position.
4. Remove lock screw (4) from 2nd and 3rd shift fork
H F V R O ; F! S E R I F S 70 S O M t A V V D U T Y T R U C K S H O P M A N U A L