Hummer H3. Manual — part 996
Fig. 52: Identifying Ring Gear Bolts
Courtesy of GENERAL MOTORS CORP.
2. Install the new ring gear bolts.
IMPORTANT: The ring gear bolts have left-hand threads.
2007 Hummer H3
2007 Driveline/Axle Rear Drive Axle - H3
Hand start each bolt to ensure that the ring gear is properly installed to the differential case.
3. Tighten the ring gear bolts, Tighten the ring gear bolts alternately and in stages, gradually
pulling the ring gear onto the differential case.
Tighten: For the 8.6 inch axle, tighten the ring gear bolts in sequence to 120 N.m (89 lb ft).
4. Install the pinion bearing cups. Refer to Drive Pinion Bearings Replacement.
5. Determine the selective shim thickness for the pinion gear. Refer to Pinion Depth
Adjustment .
6. Install the selective shim onto the pinion.
7. Install the inner pinion bearing to the pinion. Refer to Drive Pinion Bearings
Replacement.
8. Install a new collapsible spacer.
9. Lubricate the pinion bearings with axle lubricant. Refer to Fluid and Lubricant
Recommendations .
10. Install the outer pinion bearing into the axle housing.
11. Install the new pinion oil seal. Refer to Drive Pinion Flange/Yoke and/or Oil Seal
Replacement.
12. Install the pinion into the axle housing.
13. Install the pinion yoke. Refer to Drive Pinion Flange/Yoke and/or Oil Seal
Replacement.
14. Install the differential assembly. Refer to Differential Replacement.
15. Fill the axle with lubricant. Use the proper fluid. Refer to Rear Axle Lubricant
Replacement.
16. Lower the vehicle.
DRIVE PINION BEARINGS REPLACEMENT
Tools Required
J 8092 Driver Handle 3/4 in.
J 8608 Rear Pinion Bearing Race Installer. See Special Tools.6 inch, 11.5 inch axle
J 8611-01 Rear Pinion Bearing Race Installer. See Special Tools.
J 8614-01 Flange and Pulley Holding Tool
NOTE:
Refer to Fastener Notice .
2007 Hummer H3
2007 Driveline/Axle Rear Drive Axle - H3
J 22388 Rear Axle Pinion Oil Seal Installer, 8.6 inch
J 22912-B Split Plate Bearing Puller
J 24433 Pinion Cone and Side Bearing Installer. See Special Tools.6 inch axle
J 45871 Pinion Bearing Remover
J 45900 Pinion Bearing Cup Installer, 8.6 in axle
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the differential assembly. Refer to Differential Replacement.
3. Remove the drive pinion from the axle. Refer to Drive Pinion and Ring Gear
Replacement.
2007 Hummer H3
2007 Driveline/Axle Rear Drive Axle - H3
Fig. 53: Identifying J 45871 & J 22912-01
Courtesy of GENERAL MOTORS CORP.
4. For the 8.6 inch axle, install the J 45871 (1) around the pinion bearing and the J 22912-B
(2) in the inverted position around the J 45871 .
5. Press the bearing off of the pinion using the J 45871 and the J 22912-B .
2007 Hummer H3
2007 Driveline/Axle Rear Drive Axle - H3
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