Rear Axle 31 7.0 TROUBLE SHOOTING Sr.No. Condition Possible Causes 1 Noise In All Driving Modes Road And Tires, Wheel Bearing 2 Noise Changes With Type Of Road Surface Road And Tires 3 Noise Tone Lowers With Car Speed Tires 4 Noise Louder On Turns Differential Pinion And Side Gears, Axle Wheel Bearing 5 Noise In One Or More Driving Modes Ring And Pinion Gears 6 Metallic Noise On Change Of Speed Or Worn Differential Shaft Or Thrust Washers; Worn U-Joints 7 Direction Of Power Flow 8 Wheel Noise Wheel Loose; Faulty Or Bed Wheel Bearing 9 Vibration Damaged Drive Shaft, Missing Drive Shaft Balance Worn Or Out-Of-Balance Wheels, Loose/Broken Spring Damaged Axle Shaft Bearings, Loose Pinion Gear Excessive Pinion Yoke Run Out, Bent Axle Shaft. 10 Differential Gears Scored Insufficient Lubrication, Improper Grade Of Lubricant Lubricant Contamination, Excessive Spinning Of Wheels. 11 Loss Of Lubricant Lubricant Level Too High, Worn Axle Shaft Seals, Cracked Differential Housing, Worn Drive Axle Shaft Seals, Scored And Worn Yoke Cover Not Properly Sealed, Plugged Vent Or Vent Tube 12 Axle Overheating Lubricant Level Too Low, Incorrect Grade Of Lubricant Contaminated Lubricant, Bearing Preload Too High Excessive Gear Wear, Insufficient Ring Gear Backlash 13 Gear Teeth Broken Overloading Erratic Clutch Operating Wheel Spinning Improper Adjustment
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