How many miles does a rear differential last?
A rear differential service consists of removing the rear differential cover, cleaning any old fluid from inside the differential case, resealing the cover, and adding clean fluid. After a rear differential fluid change, most vehicles will go 20,000 to 40,000 miles before it’s due again.
What causes rear differential to go out?
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 long does it take to repair a rear differential?
Bearing replacement on your rear differentials can take up to five hours and require special tools to push them in and out. Gear Replacement. Chipped and worn down teeth on your differential gears also cause the noises you hear when these parts go bad.
How to tell if you have a bad differential?
Typically, there are two symptoms you’ll notice when you have a bad differential, or car differential problems: Rear Differential Noise – if you hear howling from the rear of your truck or SUV when you’re driving, it’s possible it’s rear differential noise.
How often do rear differentials need to be changed?
Every once in a while rear differential fluid replacement must be performed. The gear oil must be changed to prevent damage to the gears inside, known as the ring gear and the pinion gear.
What does it mean when your rear differential is leaking?
Rear differential leaks are the culprit, either at the axle seals, the pinion seal (where the driveshaft attaches), or the rear differential cover. Light brown or grayish fluid on the ground under the back of your truck is an indication that you have a differential fluid leak.
What does it mean when your rear differential is Howling?
Rear Differential Noise – if you hear howling from the rear of your truck or SUV when you’re driving, it’s possible it’s rear differential noise. It can change in pitch as well as come and go depending on the severity of the issue and load on the diff.