What happens if my rear differential is leaking?
If the output seals leak to the point of running the differential low on fluid it may cause the differential to produce a howling, grinding or whining sound from the rear end of the vehicle.
Why is my differential fluid leaking?
The most Common Causes of Differential Fluid Leaks There is a number of causes for differential leaks which you need to have repaired as soon as possible before you damage the gears inside your differential housing. The cause for a leak could be a leaking gasket, a leaking pinion seal or a differential side seal.
What should I use to stop a rear differential leak?
Adam-. For a rear differential leak, we recommend using the BlueDevil Oil Stop Leak. BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for various leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc.
What causes bad or failing differential / gear oil?
One of the symptoms most commonly associated with bad or failing differential or gear oil is a noisy transmission or differential. If the gear oil runs low or becomes excessively dirty, it can cause the gears to whine or howl as they turn. The whining or howling is caused by lack of lubrication and may increase in volume as vehicle speed increases.
What should I do if my differential oil is dirty?
However, it is often one of the most forgotten fluids because it is not serviced nearly as frequently as others. For this reason, if you suspect that your differential or gear oil may be dirty, contaminated, or past the recommended maintenance schedule, have the vehicle inspected by a professional technician.
Where are the seals on a rear differential?
Some differentials put these seals just outside the bearings, while others have the seals all the way at the end of the axle tube. Due to different designs, your differential can leak from many different places making it difficult to determine the exact leak location. However, many people find that rear differential leaks are the most common.