Chevrolet 1977 10 Series, Repair Manual, Page: 437 / 468

MANUAL TRANSMISSION
7B-57
Front Output Shaft and Gear Assembly
1. Install two rows of needle bearings (32 each) separated
by a spacer in the front low output gear and reatin with a
sufficient am ount of grease.
2. Place front output shaft in soft jawed vise, spline end
down. Install front low gear over shaft with clutch gear facing
down and install throust washer pin, thrust washer and new
snap ring using Tool J-23432.
NOTE:
Position the snap ring so that the opening is
opposite the pin.
3. Position front wheel hi-gear and washer in case.
Install sliding clutch in the shift fork, then put fork and rail
in the front wheel drive (4-Hi) position with the clutch teeth
in mesh with the teeth of the front wheel hi-gear.
Fig. 7B-1 2R —In s ta llin g Id le r G ear
Fig. 7B-1 3 R --ln s ta llin g Id le r S h a ft
Fig. 7B-1 1R--Checking Idler Gear End Play
Fig. 7B-1 4R—Installing Idler Shaft Rear Cover