Shaft And Tube Assembly Replacement; Output Shaft Seal And Bearing Replacement; Differential Carrier Assembly Replacement - GMC SYCLONE 1992 Service Manual Supplement

• Insert a drift through the opening in the top of
the brake caliper into the vanes of the brake
rotor. This will keep the axle from turning.
Tighten
• Nut (151) to 245 N•m (181 ft. Ibs.).
3. Retainer (152) and cotter pin (153).
4. Drive axle-to-output shaft bolts (60 or 62).
Tighten
• Bolts (60 or 62) to 60 N•m (59 ft. Ibs.).
5. Lower shock bolt and nut as described in FRONT
SUSPENSION (SEC. 3C) in the 1992 Service Manual
Sonoma and Jimmy Models.
6. Tire and wheel. Refer to TIRES AND WHEELS (SEC.
3E) in this manual.
• Lower vehicle.
7. Negative (-) battery cable.
SHAFT AND TUBE
ASSEMBLY REPLACEMENT
Remove or Disconnect (Figures 1 through 5)
1. Right drive axle as explained previously in this sec-
tion.
2. Support bracket nuts (92) and washers (91).
3. Tube-to-carrier bolts (6).
• Attach a slide hammer to the output shaft (1)
and pull the shaft (1).
4. Shaft and tube assembly.
• Catch fluid in a suitable container.
Clean
Sealing surfaces of tube (5) and carrier assembly (95)
l
with a chlorinated solvent.
Install or Connect (Figures 1 through 5)
NOTICE: For steps 2 and 3 see "Notice" on page
4C-1 of this section.
• Apply a bead of sealer (GM part number 1052357
[Loctite™ 514] or equivalent) to the carrier sealing sur-
face.
1. Shaft and tube assembly to carrier assembly (95).
2. Tube-to-carrier bolts (6).
Tighten
• Bolts (6) to 48 N•m (35 ft. Ibs.).
3. Support bracket nuts (92) and washers (91).
Tighten
• Nuts (92) to 75 N•m (55 ft. Ibs.).
4. Right drive axle (61) to the output shaft (1) as
explained previously in this section.
FRONT DRIVING AXLE 4C-3
Inspect
• Axle lubricant level, and add lubricant if necessary, as
described in MAINTENANCE AND LUBRICATION
(SEC. 0B) in the 1992 Service Manual Sonoma and
Jimmy Models.
OUTPUT SHAFT SEAL AND
BEARlNG REPLACEMENT
Important
• It is essential that the positions of all driveline compo-
nents relative to the propeller shaft be observed and
reference marked prior to disassembly. These com-
ponents include the propshafts, drive axles, pinion
flange, output shafts, etc. All components must be
reassembled in the same relationship to each other
as they were removed to maintain the factory bal-
ance.
Remove or Disconnect (Figures 1 through 6)
Tools Required:
J 23907 Slide Hammer
J 29369-2 Axle Tube Bearing Remover
1. Shaft and tube assembly as explained previously in
this section.
2. Shaft (1) with deflector (2) and retaining ring (8).
• Strike the inside of the shaft flange with a brass
hammer to dislodge the shaft (1). Use care in
pulling the splined shaft (1) through the seal
diameter to avoid cutting the seal (3).
3. Shaft seal (3) and bearing (4) using J 29369-2 and
J 23907 (figure 6).
Install or Connect (Figures 1 through 7)
Tools Required:
J 33844 Axle Tube Bearing Installer
J 33693 Output Shaft Seal Installer
Important
• Lubricate the seal lips, bearings and bearing
surfaces with axle lubricant prior to reassembly.
1. Bearing (4) using J 33844.
2. Seal (3), using J 33893 (figure 7).
3. Shaft (1), taking care not to cut the seal (3).
4. Shaft and tube assembly as explained previously in
this section.
DIFFERENTIAL CARRIER
ASSEMBLY REPLACEMENT
Important
It is essential that the positions of all driveline compo-
l
nents relative to the propeller shaft be observed and
reference marked prior to disassembly. These com-