What do you need to know about rear end differentials?

The axle shafts in the rear differential connect with the wheels and are responsible for rotating so the auto moves forward. You need to take care of your rearend differential just like you would any other component of your auto. One important aspect of servicing rear differentials is their lubrication.

How much does it cost to replace rear differential on 2004 Ford F-150?

At 60,000 mile a had to replace the rear differential at $1,600. 00+ , I do not tow anything and do not use the truck for work, 4. 6l , 2-wheel drive. 2004 Ford F-150 4. 6l v8 regular pickup truck, 39,000 miles on odometer – driving 50 mph and the truck starts vibrating horribly like driving over a washboard road.

How much does it cost to repair a rear differential?

If you have a rear diff bad component, you will need to be prepared to spend some major money or find an alternative to repairs. Repairing or replacing a rear differential can cost as much as it would to do the same with a transmission. This means that you could spend as much as $1,500 on the repair or replacement, if not more.

How much does it cost to repair a rear end leak?

The cost of a rearend repair for leaks will depend on the extent of the damage. Just adjusting the backlash or replacing your oil seal should be quick and fairly affordable. By contrast, repairing the leak will sometimes require a rear differential rebuild or other massive repairs.

What are the problems with the Ford F-150 differential?

The current and failure mileages were 86,226. Grinding in rear axle assembly, differential needs rebuild,57k. . . The brakes began to shimmy and shutter and there was vibration from the rear when driving. The problem started three months after the vehicle was purchased and recurred every three, four or five months.

Where is the rear differential on a Ford truck?

The rear differential is located within the rear axle and is the final step for power to reach the rear wheels. Most vehicles will come with an open differential in the rear which allows for one wheel to spin completely independently of the other.

What kind of problem does a 2004 Ford F-150 have?

The contact owns a 2004 Ford F-150. The contact stated that the differential pressure sensor (dps) has melted and burned up on her engine. While driving 50 mph uphill, the vehicle began losing speed, making a hissing noise, and the check engine light illuminated. The vehicle restarted and she was able to drive home.

How big should the rear end be on a 9 ” car?

That is because it has been moved a little to the driver’s side to center the pinion. In order to center the pinion on a 9″ it needs to be moved to the driver’s side roughly 2″. This can be easily accomplished by removing an additional 2″ from that side of the housing.

How big should the rear end be on a 32 Ford?

Typically, rearends used for ’32 Ford applications will have a backing plate to backing plate width of between 56″ – 58″. Given that we are using a wheel with 4″ backspacing (about 1/2″ more than most wheels), the extra 1 1/2″ in width will more than offset the difference in backspacing and allow the tires to sit just about where we want them.

How much does it cost to replace rear differential?

The cost of replacing a rear differential depends on the degree of the repairs that need to be done. Just a few parts to replace will cost significantly less than lots of parts to replace. This could run the bill up from the $200-$400 range to $600-$800. Replacing the rear differential entirely costs a whole lot.

What kind of rear end differential do I Need?

The OEM-style posi unit uses flat discs or cones that are pressed against the housing by springs. This ties the two axles together but also allows them to turn at different speeds when turning. The best solution to quietly handle the horsepower is a helical-gear style differential like the Truetrac and Wavetrac.

What’s the difference between 7.5 and 8.5 inch rear ends?

The 8.5-inch inspection cover gasket shape is rounder than the squarish 7.5 and 7.62-inch. Also, the original inspection plate on the 7.5-inch rear end has a drain plug on the lower passenger side; the 8.5-inch does not. Remove the differential input shaft to count the number of splines.

What should I do if I have a rear differential leak?

Just adjusting the backlash or replacing your oil seal should be quick and fairly affordable. By contrast, repairing the leak will sometimes require a rear differential rebuild or other massive repairs. Although every situation is different, most of the common rear differential repairs will fall into one of several categories.

What kind of noise does rear differential make?

Here’s how to identify them: A rear differential that’s in need of service (or repairs) will make loud whining noises. The noise is high-pitched and tend to appear at speeds above 15mph, and it might vary depending on the speeds and load that’s put onto the differential.

Where is the pinion seal on a rear differential?

Rear differential pinion seal. At the front of the differential is a yoke that attaches to the driveshaft. The seal around the yoke can develop a leak over time, either from nicks in the rubber or from age.

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.

Where does the power come from in a rear differential?

Gears inside the differential accomplish this purpose, providing a 90-degree direction change along the rear axles. The power is transmitted from the rear differential along axle shafts that connect to the wheels and rotate to propel the vehicle forward.

What do you need to know about rear end differentials?