Drive Pinion and Ring Gear Replacement for Cadillac Escalade 2007
Tools Required
J 22536 Pinion Driver
Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Remove the differential assembly. Refer to
Differential Replacement.
- Remove the pinion yoke and the oil seal. Refer to
Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
- Install the
J 22536 as shown.
Ensure that the
J 22536 is firmly seated on the pinion.
- Drive the pinion out using the
J 22536 and a hammer.
Strike the
J 22536 slowly. Do not let the pinion fall out of the rear axle housing.
- Remove the collapsible spacer from the pinion. Discard the spacer.
- Remove the pinion bearings and the cups. Refer to
Drive Pinion Bearings Replacement.
Important: The ring gear bolts have left-hand threads.
- Remove the ring gear bolts. Discard the bolts.
Notice: Refer to Ring Gear Removal Notice in the Preface section.
- Remove the ring gear from the differential. Drive the gear off with a brass drift if necessary.
Installation Procedure
Important: The mating surface of the ring gear and the differential case must be clean and free of burrs before installing the ring gear.
- Install the ring gear to the differential case.
Important: The ring gear bolts have left-hand threads.
- Install the new ring gear bolts.
Hand start each bolt to ensure that the ring gear is properly installed to the differential case.
Notice: Refer to Fastener Notice in the Preface section.
- 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). |
| • | For the 9.5/9.5LD inch axle, tighten the ring gear bolts in sequence to 140 N·m (103 lb ft). |
- Install the pinion bearing cups. Refer to
Drive Pinion Bearings Replacement.
- Determine the selective shim thickness for the pinion gear. Refer to
Pinion Depth Adjustment.
- Install the selective shim onto the pinion.
- Install the inner pinion bearing to the pinion. Refer to
Drive Pinion Bearings Replacement.
- Install a new collapsible spacer.
- Lubricate the pinion bearings with axle lubricant. Refer to
Fluid and Lubricant Recommendations .
- Install the outer pinion bearing into the axle housing.
- Install the new pinion oil seal. Refer to
Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
- Install the pinion into the axle housing.
- Install the pinion yoke. Refer to
Drive Pinion Flange/Yoke and/or Oil Seal Replacement.
- Install the differential assembly. Refer to
Differential Replacement.
- Fill the axle with lubricant. Use the proper fluid. Refer to
Rear Axle Lubricant Replacement.
- Lower the vehicle.