The differential is a critical component of your vehicle, effectively transferring power from the engine to your wheels. While they’re generally sturdy and reliable, normal wear and tear will cause them to fail eventually. Fortunately, a failing differential gives plenty of warning before breaking down, from strange vibrations to unpleasant noises. If you notice any of the following signs, take your vehicle to a skilled mechanic as soon as possible.

3 Common Signs of Differential Problems

1. Strange Sounds

Differentials are completely mechanical, so you may notice strange noises when they aren’t functioning properly. In some cases, you might hear a whirring with a sudden change in pitch when you press or let off the accelerator. Low lubricant levels or other problems often cause a howling or shrieking sound that grows louder as your speed increases. If the gears haven’t been damaged, changing the differential oil may correct the problem if addressed in time.

2. Oil Leaks

Just like an engine or transmission, the differential relies on oil to reduce heat and friction. Over time, corroding seals can cause fluid leaks, which may quickly lead to other issues. If you’ve noticed stains or oil spots underneath the rear of your vehicle, have a technician inspect your differential for leaks.

3. Vibrations

Shaking and vibrations can be traced to a variety of issues, from poor alignment to worn suspension parts. However, if the problem arises as you go around corners, the differential may not be transmitting power to your wheels correctly, effectively causing them to work against one another.

Whether your differential needs attention or you need a full transmission rebuild, turn to Pearl City Transmission, Waipio’s first choice in auto repairs. Their ASE- and ATRA-certified technicians have the expertise to handle almost any issue at some of the best rates in the area. To schedule your service, visit their website or call (808) 671-8767, and follow their Facebook for more automotive tips and advice.