What causes the rear differential to go bad?
The first and most common is loss of differential oil which can cause gears inside the differential housing to break, grind, or even block the rear wheels. However, differentials can fail if they are pushed too hard which means that you have performed numerous burnouts, drag racing, and so on.
How much does it cost to change the differential?
You’ll only pay somewhere between $80 and $140 for differential fluid change. The labor should be between $50 and $70, while parts can cost anywhere from $30 to $70.
How do you know if your rear differential is going out?
A failing differential [both front and rear] will make a whirring noise, whining noise, howling noise, and humming noise. These noises will gradually change during acceleration, deceleration, or when turning around the corner.
How often should you get rear differential service?
The normal service interval for the differential is 90,000 miles so if you cut that in half you should have no issues. The severe service interval is 60,000.
How often do I change the rear differential fluid?
The recommendation of some car manufacturers is that you change your rear differential fluid every 30,000 miles or so. However, there are a lot of car manufacturers that say you can wait until 50,000 miles before you change this fluid.
Does the rear differential fluid need to be changed?
The fluid of the rear differential won’t need to be changed as frequently as the front differential fluid. The recommendation of some car manufacturers is that you change your rear differential fluid every 30,000 miles or so.
How too change rear differential fluid?
Lift the vehicle with a jack and place it on jack stands