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NOISY WHEN COASTING Noisy When Coasting INTERMITTENT NOISE Intermittent Noise Worn pinion and ring gear Replace the pinion and the ring gear. Refer to the following: Differential Case Assembly Disassemble Differential Case Assembly Assemble Drive Pinion Bearings Replacement Worn pinion bearings Replace the pinion bearings. Refer to Drive Pinion Bearings Loose pinion bearings Adjust the pinion bearings preload. Refer to Drive Pinion Excessive pinion end play Adjust the pinion end play. Refer to Pinion Depth Worn differential bearings Replace the differential bearings. Refer to Differential Case Loose differential bearings Adjust the differential bearing preload. Refer to Backlash Excessive ring gear runout Replace the ring gear. Refer to Drive Pinion and Ring Gear Low oil level Fill the fluid level to specifications with the proper lubricant. Wrong or poor grade oil Drain and refill the system with the proper lubricant. Refer to Checks Action DEFINITION: Noise is audible when slowing down and disappears when driving. Adjust or replace the pinion and the ring gear. Refer to Drive Pinion and ring gear too Adjust the pinion and the ring gear backlash. Refer to
2007 Hummer H3 2007 Driveline/Axle Front Drive Axle - H3
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