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