Cause | Elimination Method |
Increased noise from the rear wheels | |
Loose wheel mount | Tighten the wheel bolts |
Wear or destruction of the ball bearing of the axle shaft | Inspect axle shaft and replace bearing |
Constant increased noise during the operation of the rear axle | |
Rear axle beam deformed | Straighten the beam and check its dimensions |
Axles are deformed and have unacceptable runout | Straighten the axles. If they are significantly damaged, replace with new ones |
Wear of the spline connection with side gears | Replace worn or damaged parts |
Incorrect adjustment, damage or wear of gears or gearbox bearings | Determine the fault and repair the gearbox |
Not enough oil | Restore the oil level and check for leakage at the seals or in the rear axle beam |
Noise when accelerating car | |
Worn or misadjusted differential bearings | Remove gearbox, repair, replace parts if necessary |
Incorrectly adjusted the engagement of the gear teeth of the main gear when repairing the gearbox | Adjust engagement |
Axle bearing damage | Replace bearings |
Not enough oil | Restore the oil level and check for leaks in the seals or in the rear axle beam |
Noise during acceleration and braking of the car by the engine | |
Worn or broken drive gear bearings | Replace damaged parts |
Incorrect backlash between the teeth of the final drive gears | Check gears and replace damaged ones, restore normal backlash between gear teeth |
Noise when cornering | |
Tight rotation of satellites on the axis | Replace damaged or worn parts |
Seizures on the working surface of the axis of the satellites | Smooth out a slight roughness with a fine emery cloth, if it is impossible to eliminate the defect, replace the axis of the satellites |
Jamming of the gears of the axle shafts in the differential box | In case of minor damage to the gears and mating surfaces in the differential box, clean them with emery cloth, replace the damaged parts with new ones |
Incorrect gap between the teeth of the differential gears | Adjust clearance |
Damage to axle bearings | Replace bearings |
Knocking at the beginning of the movement of the car | |
Increased clearance in the spline connection of the pinion shaft with the flange | Replace flange and final drive gears |
Increased clearance in the gearing of the final drive gears | Adjust gap |
Wear of the hole for the axis of the satellites in the differential box | Replace differential box |
Loose rear suspension bolts | Tighten the bolts |
Oil leak | |
Worn or damaged drive gear oil seal | Replace seal |
Wear of the axle shaft seal, determined by the oiling of the brake shields, drums and shoes | Check the runout of the axle shaft, deflection of the beam; straighten or replace damaged parts. Replace seal |
Loosening the bolts of the rear axle gear case; damage to seals | Tighten the bolts; replace seals |