Envoy 4WD V8-5.3L VIN M (2005)
Pinion Gear: Service and Repair
Drive Pinion and Ring Gear Replacement
Tools Required
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J8614-01 Flange and Pulley Holding Tool
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J22536 Pinion Driver
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J38694 Extension Housing Oil Pump/Seal Installer
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assemblies.
3. Remove the brake calipers.
4. Remove the brake rotors.
5. Remove the axle shafts.
6. Remove the differential assembly.
7. Remove the drive pinion yoke and the oil seal.
8. Install the J22536 as shown. Ensure that the J22536 is firmly seated on the pinion.
9. Drive the pinion out using the J22536 and a hammer. Strike the J22536 slowly. Do not let the pinion fall out of the rear axle housing.
10. Remove the collapsible spacer from the pinion. Discard the spacer.
11. Remove the pinion bearings and the cups.
12. Remove the left-hand threaded ring gear bolts. Discard the bolts.
13. Remove the ring gear from the differential. Drive the gear off with a brass drift if necessary.
Installation Procedure