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11. Remove the BENT shim from the right side of the axle housing. 12. Insert one 4.318 mm (0.170 in) thick service spacer into the right side axle housing. 13. Move the differential assembly towards the left side of the axle housing. While holding the differential assembly against the left side shim pack, insert progressively larger service shims 14. Once the largest service shim has been determined, measure the thickness of the shim using a micrometer. Verify the thickness of the service shim. Measure the service shim in 3 15. In order to preload the differential side bearing and set the initial backlash to approximately 0.127 mm (0.005 in), adjust the thickness of left and right side shims by doing the following: 1. Subtract 0.152 mm (0.006 in) from the measurement recorded for the left side shim in step 9. Record the measurement. 2. Add 0.356 mm (0.014 in) to the measurement recorded for the right side shim in step 14. 16. Select the correct service shim thickness for each side corresponding to the measurements determined above. Using a micrometer, verify the thickness of the service shim. Measure the 17. Install the left side service shim into the axle housing. The service shim must be installed between the service spacer and the differential side bearing cup. 18. Move the differential assembly towards the left side of the axle housing. 19. Install the right side service shim into the axle housing using the J 25588 , if necessary. The service shim must be installed between the service spacer and the differential side bearing 20. Install the differential bearing caps and bolts. Tighten: Tighten the differential bearing cap bolts to 75 N.m (55 lb ft). 21. Rotate the pinion several times to ensure the bearings have seated. 22. Measure the rotating torque of drive pinion and differential case side bearings using an inch- pound torque wrench. Specification: The rotating torque of the drive pinion and differential side bearings should
2007 Hummer H3 2007 Driveline/Axle Rear Drive Axle - H3
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