How do you replace a rear differential seal?

How do you replace a rear differential seal?

Here’s how it goes:

1. Lift the rear of the truck to take the weight off the wheels.
2. Remove both rear wheels.
3. Remove the 8 bolts to take the axle out.
4. Remove the pin and retaining ring by hand.
5. Remove the axle nut.
6. At this point, the hub/drum assembly should slide right out.
7. Now the axle seal is exposed.

How much does it cost to replace a rear differential seal?

Most seals and bearings are relatively inexpensive on their own. Combined with the few hours of labor required for their replacement, the typical rear differential cost of repair is between $200 and $400.

How long does it take to change a rear pinion seal?

It is very common to replace the seal in conjunction with a differential service, replacing all the fluid. Usually, it will take half an hour of labor plus fluids; costing around $50 to $100.

How much does it cost to replace an axle seal?

Fixing an axle seal can cost anywhere from $150 to several hundred dollars, depending on the make and model of your car. If you detect a leak it’s better to fix it sooner rather than later, as ruining your transmission is an expensive repair.

How long can you drive with a rear differential leak?

After a rear differential fluid change, most vehicles will go 20,000 to 40,000 miles before it’s due again.

Where is the rear pinion seal located?

The pinion seal is located near the pinion shaft and is designed so that fluid does not leak out of the differential. Some vehicles have a rear pinion seal, where others have both a front and rear pinion seal, it just depends on the make and model of your vehicle and if the vehicle has rear or four wheel drive.

What are the symptoms of a bad pinion bearing?

A whine during deceleration may mean there is a bad or loose pinion bearing. A howl during acceleration may indicate the same problem. Rumble or whining sounds only at speeds greater than 20 mph could be a sign of a worn carrier bearing. The sound may change while cornering.

What causes a pinion seal to go bad?

Sometimes it just failed from normal wear and simply needs replaced. However, it is fairly common as well for the failure to be caused by too much runout of the pinion, caused by either incorrect preload on the pinion, or failure of the pinion bearing, the former often being caused by the latter.

What is the rear pinion seal?

Located near the pinion shaft in the differential of vehicles, the pinion seal is an integral component of the car that prevents fluid leakage out of the differential. It also prevents water, debris, or dirt from getting into the differential.

What causes a rear axle seal to leak?

The most common cause of a leaking axle seal is it improper axle installation or removal. In addition, the axle seal can wear out over time, which can cause it to leak. A leaking axle seal may be covered by your vehicle’s Powertrain Warranty, so check your car’s brochure to see if this is the case.

How long should a pinion seal last?

In terms of lifespan, there’s no set duration for a pinion seal. Really, they last as long as they last. There are many different factors that come into play here. All seals will degrade with time and exposure to differential fluid, but your driving habits will have a significant impact on lifespan.

How do you remove a rear pinion seal?

Step 1: Set up a drain pan. Place a drain pan underneath the pinion seal area. Step 2: Remove the seal. Take a seal puller, hook the inside of the seal and pry to remove the seal.

What is a differential seal?

The differential output seals are the seals located at the output shafts of a vehicle’s differential. They usually seal the axle shafts against the differential and prevent fluid from leaking out of the differential as it operates.

What is the correct name for the grease in a rear-wheel-drive rear axle?

Every front or rear axle is filled with a special oil (also called differential fluid, or gear oil) that takes care of this. The differential fluid lubricates the gears, bearings and other internal parts, and provides cooling to these components as well.

What oil goes in a differential?

gear oil