Chevrolet 1977 10 Series, Repair Manual, Page: 414 / 468

7B-34
OVERHAUL MANUAL
15. Using a dum m y shaft J-24658 drive countergear
shaft out of countergear (Fig. 7B-7K) and remove
countergear and tanged thrust washers from case. Check
bottom of case for pilot bearings or other loose components.
DISASSEMBLY OF M A IN S H A FT (Fig. 7B-8K)
1. Using snap ring pliers, remove 3-4 clutch assembly
retaining ring at front of mainshaft (Fig. 7B-9K). Slide
washer, synchronizer and clutch assembly, synchronizer ring
3rd speed gear from mainshaft.
2. Spread rear bearing retainer snap ring (Fig. 7B-10K)
and slide retainer from mainshaft.
3. Remove rear bearing-to-m ainshaft snap ring (Fig. 7B-
1 IK).
4. Support mainshaft under 2nd gear and press
mainshaft from rear bearing, 1st gear and sleeve, 1-2 clutch
and synchronizer assembly, and the second gear (Fig. 7B-
12K).
0
1 2 3
7 8 9 10 11 12 13 14
15 16
Washer 7
Snap Ring
8
4th Speed Synchronizer Ring 9
3rd & 4th Speed Clutch Assy. 10
3rd Speed Synchronizer Ring 11
3rd Speed Gear 12
2nd Speed Gear
2nd Speed Synchronizer Ring
1st & 2nd Speed Clutch Assy.
1 st Gear Bushing
1st Speed Synchronizer Ring
First Gear
13
14
15
16
17 Washer
Rear Bearing
Washer
Snap Ring
Mainshaft
Fig. 7 B -8 K -M a in s h a ft Assem bly Com ponents