GMC T Series 1994 Repair Manual page 788

3 0 7
3 3 B E A R IN G A S S E M B L Y , O U T P U T S H A F T
2 0 2 R A C E , C O U N T E R S H A F T B E A R IN G
3 0 0 H O U S IN G , R E A R (2 W D )
301 H O U S IN G , R E A R (4 W D )
3 0 3 R E T A IN E R , O U T P U T S H A F T B E A R IN G (4 W D )
3 0 6 BOLT, H E X H E A D (M 8 X 2 5 m m ) (4 W D I
3 0 7 T U B E A S S E M B L Y , O IL D E L IV E R Y
3 0 9 B E A R IN G , R E A R H O U S IN G S H IF T S H A F T
3 1 8 B E A R IN G , R E A R E X T E N S IO N (2 W D )
3 1 9 S E A L , S L IP Y O K E O IL (2 W D )
321 PIN, D O W E L
3. Three bolts (306), output shaft bearing retainer
(303), and bearing assembly (33), using brass drift
(4WD models only) (figure 29).
4. Slip yoke seal (319), using J 26941 and J 23907
(figure 30) (2WD models only).
5. Gasket material from the case using liquid gasket
remover.
M AINSHAFT AND
SYNCHRO NIZERS
Clean
All parts in a suitable solvent and air dry.
Important
Do not spin dry ball bearings.
Figure 29— Rear Housing Components
CLEANING AND INSPECTION
Figure 30— Removing 2WD Slip Yoke Oil Seal
1
?
Inspect
1. Gears for:
• Cracks.
• Nicks.
• Chipped gear teeth or high spots (a small shiny
spot on the gear teeth mating surface) that
could cause gear noise.
2. Related surfaces on the gears like thrust faces and
bearing surface diameters.
3707r5175