GMC 1990 Light Truck Repair Manual page 328

4C5-12 L-VAN FRONT AXLE
TOE CONTACT
INCREASE BACKLASH
HIGH FACE CONTACT
INCREASE PINION SHIM
FINAL ASSEMBLY
Remove or Disconnect (Figures 1, 2 and 24)
1. Four case bolts (figure 24).
2. Right carrier case half.
C S Clean
Sealing surfaces on the carrier case halves.
Remove all oil and grease. Use a chlorinated sol­
vent, such as carburetor cleaner.
Install or Connect (Figures 1, 2 and 29)
Tools Required:
J 33844 Bearing Installer
J 33893 Axle Seal Installer
J 33791 Case Bushing Installer
• Apply a bead of sealer (GM part number 1052357
[Loctite 514] or equivalent) to one carrier case sur­
face.
1. Right carrier case (29).
2. Bolts (28).
I ^ l Tighten
• Bolts to 47 N m (35 ft. lbs.).
• Make sure the sleeves (32) are in the proper posi­
tion, as marked previously.
Figure 28—Gear Tooth Contact Pattern
3. Bolts (18) and locks (19).
4. Left seal (3) to the cover (57). Fully support the
• Apply sealer (GM part no. 1052357 [Loctite 514] or
5. Cover (57) and bolts (58).
6. Shaft (59) with deflector (2). Tap into place.
7. Bearing (4). Use J 33844.
8. Seal (3). Use J 33893 (figure 29).
9. Housing (5) to the carrier.
LOW FLANK CONTACT
DECREASE PINION SHIM
HEEL CONTACT
DECREASE BACKLASH
Tighten
50
• Bolts to 8.0 N-m (70 in. lbs.).
seal bore area of the cover while installing the
seal.
Clean
• All oil and grease from the cover and carrier
sealing surfaces. Use carburetor cleaner or
equivalent.
equivalent) to the cover.
£
Tighten
• Bolts to 25 N-m (18 ft. lbs.).
• Remove all oil and grease from the tube and
carrier gasket surfaces. Use carburetor cleaner
or equivalent.
• Apply sealer (GM part no. 1052357 [Loctite
514]) or equivalent to the carrier.
F2018