How do I know if I need a new rear differential?

How do I know if I need a new rear differential?

Difficulty steering. A loud front differential noise, such as the grinding of gears, clunking, or a “howling” sound. Rear differential noises. This would be caused by gears that are out of place or lack of lubrication.

How often should I change my rear differential?

The best thing you can do to preserve the life of your rear-diff is to change the differential fluid every 30,000-50,000 miles. Additionally, you should have your drivetrain inspected annually. Doing so will ensure that any repairs are simple, rather than needing a full differential replacement.

Can a licensed mechanic change front differential fluid?

And like the rear differential, the front differential fluid should only be changed by a licensed mechanic. If you are knowledgeable in changing differential fluid, you can do it yourself but be prepared to undergo a messy job.

How much fluid does a rear differential hold?

The 2021 model offers up to 15,200-lb. towing capacity using a rear differential that holds between 3.3 and 3.5 quarts of fluid. Greater towing capacity, less gear lube What does that mean for your truck? It means less fluid is responsible for guarding against increased heat and stress.

What happens when your rear differential goes bad?

If your rear differential has gone bad, you may notice some of the following symptoms: A rumbling or whirring at speeds over 20 MPH that change when turning A clunking noise when you first begin to move your car You also want to keep a lookout for a leak, which typically happens at the axle seals or pinion seal.

How often to change front and rear differential fluid?

They will know better than anyone else. If your vehicle has a transaxle and front and rear differentials, then the front differential fluid may need to be changed a lot sooner than 25,000 miles. In fact, you may be looking at changing it every 15,000 to 20,000 miles.

How does a rear differential repair take place?

During rear differential service, your mechanic will take off the cover from the component. From there, they will clean any of the old fluid found in your differential cases. They will then reseal the cover and add in the appropriate amount of clean, new fluid.

Do you need to replace the differential housing?

The fluid will have to be disposed of properly, you may need a new gasket, and the parts inside the differential housing will need to be wiped down so that any contaminants from the old fluid aren’t transferred to the new. Plus, because the differential is underneath the car, it will need to be lifted, so this is definitely not a DIY project.

How much lube does a rear differential hold?

Back in 1996, maximum towing capacity was 10,500 lbs. using a rear differential that held 3.75 quarts of gear lube. The 2019 model offers a 15,000-lb. towing capacity using a rear differential that holds 3.5 quarts of fluid.

Posted In Q&A