GMC 1989 Light Duty Truck Repair Manual page 284

4C3-14 T TRUCK FRONT AXLE
T O E C O N T A C T
IN C R E A S E B A C K L A S H
H IG H F A C E C O N T A C T
IN C R E A S E P IN IO N S H IM
$ Tighten
• Bolts to 8.0 N m (70 in. lbs.).
Left seal (3) to the cover (57). Fully support the seal
bore area of the cover while installing the seal.
g i
Clean
• All oil and grease from the cover and carrier
sealing surfaces. Use carburetor cleaner or
equivalent.
Apply sealer (GM part no 1052357 [Loctite 514] or
equivalent) to the cover.
5. Cover (57) and bolts (58).
• Bolts to 25 N m (18 ft. lbs.).
6. Shaft (59) with deflector (2). Tap into place.
7. Bearing (4). Use J 33844.
8. Seal (3). Use J 33893 (figure 31).
9. Seal (15). Use J 33799 (fiuge 32).
10. Differential pilot bearing (21). Use J 33842 (figure
33).
11. Washer (24) to the output shaft (23).
12. Output shaft to the carrier assembly.
13. Sleeve (22).
• The flat, non-chamfered side faces the carrier.
The chamfered side faces the axle tube.
Figure 30—Gear Tooth Contact Pattern
14. Thrust washer (20). Use grease to hold it in place.
15. Spring (16) and shift shaft and fork (17).
16. Thrust washer (7). Use grease to hold it in place.
17. Shaft (1) to the tube (5).
18. Carrier connector (9) with retainer (8). Tap into
19. Tube assembly (5) to the carrier.
20. Two upper bolts (6). Leave finger tight.
21. Shift cable housing (11) and remaining bolts (6).
22. Bushings (48). Use J 33791 (figure 15).
L O W F L A N K C O N T A C T
D E C R E A S E P IN IO N S H IM
H E E L C O N T A C T
D E C R E A S E B A C K L A S H
Align the notch and tab (figure 34).
place.
• Remove all oil and grease from the tube and carrier
g a s k e t s u rfa c e s . Use c a rb u re to r c le a n e r or
equivalent.
• Apply sealer (GM part no. 1052357 [Loctite 514] or
equivalent) to the carrier.
Tighten
• Bolts to 47 N-m (35 ft. lbs.).
F-02018