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Condition Possible Causes Correction Axle Noise 1. Insufficient lubricant. 1. Fill differential with the correct 2. Improper ring gear and pinion 2. Check ring gear and pinion 3. Unmatched ring gear and pinion. 3. Replace gears with a matched 4. Worn teeth on ring gear or 4. Replace ring gear and pinion. 5. Loose pinion bearings. 5. Adjust pinion bearing pre-load. 6. Loose differential bearings. 6. Adjust differential bearing 7. Ring gear run-out. 7. Measure ring gear run-out. 8. Loose differential bearing cap 8. Inspect differential components 9. Housing not machined properly. 9. Replace housing. REMOVAL 1. With vehicle in neutral, position vehicle on hoist. 2. Position a lift/jack under the axle and secure axle to device. 3. Mark propeller shaft and pinion yoke for installation reference. 4. Remove propeller shaft and suspend under the vehicle. 5. Remove brake components. 6. Remove vent hose from the axle shaft tube. 7. Remove the stabilizer bar bolts (1) from lower con- trol arm (2). 8. Remove upper control arm ball joint (1) pinch bolt (2) from bracket. 3 - 76 REAR AXLE - 8 1/4 KJ |