The methods to judge the quality of a differential include listening to sound, observing driving conditions, checking tire wear, signs of oil leakage, unstable handling, and reduced power.
Listen to the sound
When the car is in motion, if unusual noise is heard, especially when driving at low speeds or turning, it may be a sign of wear or failure of the internal gears of the differential. In severe cases, this abnormal noise may be very loud, even making it impossible for the vehicle to continue moving forward.
Observe the driving situation
One important function of the differential is to allow the left and right wheels to rotate at different speeds, ensuring smooth turning of the vehicle. If there is a problem with the differential, the rotation speed of the left and right wheels will be forced to synchronize, causing the vehicle to appear very inflexible when turning, and even have to go straight, unable to perform normal turning movements.
Check the condition of tire wear
The problem with the differential often leads to uneven wear of the tires. Especially if one side of the tire experiences severe wear in a short period of time, it is likely that the differential is not working properly, causing the speed of the left and right wheels to not match correctly. The abnormal wear of these tires is a clear signal of differential failure, and once discovered, immediate inspection and repair should be carried out.
Signs of oil leakage
Oil leakage is a common sign of differential problems. Checking the bottom of the vehicle, especially the oil stains near the differential, can reveal whether there is a problem with damaged seals.
Unstable handling
If the vehicle shows obvious swaying or shaking during turning or driving, it may be due to differential imbalance and further inspection is needed.
Reduced power
Power loss is also a sign of differential damage. The feeling of insufficient power or sudden interruption of power during acceleration is a signal to seek professional assistance.
In summary, differential faults may manifest through abnormal noises, changes in driving conditions, and abnormal tire wear. Once these abnormal situations are discovered, the vehicle should be immediately taken to a repair station to prevent further damage and potential safety hazards.
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