Quick Answer: How Do You Put Fluid In A Rear Differential?

How many quarts does a 8.8 rear end take?

An 8.8 should take about two to 2-1/2 quarts.

Yes, you’ll need friction modifier (Ford part number XL-3).

How much does a 8.8 rear end weight?.

How often does rear differential fluid need to be changed?

every 30,000 to 60,000 milesHow often do I need to replace the differential fluid? Most manufacturers recommend that the differential fluid be changed every 30,000 to 60,000 miles. It is a messy job, and should be done by a licensed mechanic.

What causes a rear differential to go bad?

However, they can go bad overtime, due to normal wear and tear or if you regularly take the vehicle off-roading. If they wear out and you don’t address the issue, the wheels can lock up. You may need a new rear differential if you hear noises, there’s looseness, or your car has been damaged in an accident.

Does rear differential fluid need to be changed?

How Often Should the Rear Differential Fluid Be Changed? The recommendation of most car manufacturers is that you change your rear differential fluid about every 30,000 miles to 60,000 miles. … It is a dirty job and the differential fluid needs to be thrown away properly.

What happens when rear differential fluid is low?

If the gear oil runs low, or becomes excessively dirty, it can cause the gears to whine or howl as they turn. The whining or howling is caused by lack of lubrication and may increase in volume as vehicle speed increases. … They will be able to replace your differential / gear oil if necessary.

How much does it cost to change the rear differential fluid?

If you are just changing the rear differential fluid, the estimated overall cost is a little more expensive, coming in between $80-$150 as an average for all vehicles. The labor cost for the rear differential fluid change cost is between $50-$70 and the cost of the parts is around $30-$80.

How long does it take to rebuild a rear differential?

three to five hoursA complete rear differential replacement includes replacing the housing, gears, bearings, and seals. The average time it takes a certified mechanic to perform a differential rebuild at a shop is usually three to five hours. A rebuild on a commercial vehicle by someone without prior experience could take much longer.

What is the best differential gear oil?

Best Sellers in Gear Oils#1. … Mobil 1 104361-UNIT 75W-90 Synthetic Gear Lube – 1 Quart. … Polaris Premium Synthetic AGL Plus Gear Lube 32 oz / 946 ml. … Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser… … Genuine Ford Fluid XL-3 Friction Modifier Additive – 4 oz.More items…

What fluid goes in a rear differential?

Differential oil, sometimes referred to as gear oil, is found in the axle housing. It’s thicker than engine oil and is designed to perform under high pressure (gears mashing together, hydraulic nature of clutch packs) rather than high temperatures like engine oil.

How much oil goes in a rear differential?

Use the highest-quality gear oil you can afford to fill the differential. The weight and capacity will be listed in your owner’s manual; your differential will usually hold as much as 3 quarts.

Can you fix a rear differential?

Complete Replacement. A typical rear differential repair costs anywhere between $200 and $400. These typical repairs would include your bearing, seals, and fluid changes. Of course, when a gear change is required, that’s when things get pricey. $1,500 is just the minimum you can expect to pay for new gears.

Can you drive with a bad rear differential?

Technically, you can drive with a bad differential, but it is not wise. The problem may get worse, to the point where it leaves you stranded somewhere. It can also cause damage to other surrounding components.

What happens if you never change transmission fluid?

If you don’t change your transmission fluid frequently, the dirty fluid will not serve as an effective lubricant and it won’t disperse heat well. This will cause wear and tear on the clutches and other parts of your transmission.

How much does it cost to fix a rear differential?

Combined with the few hours of labor required for their replacement, the typical rear differential cost of repair is between $200 and $400. If gears are required, that number jumps a bunch. Rear differential repairs that include a new gear set may be $1,500 or even higher between parts and the labor to replace them.

What does a bad rear differential sound like?

Overly worn out bearings tend to make a howling noise when they do not properly support the gears. Rumbling while turning, on the other hand, is a sign of bad wheel bearings. … This rear differential noise is described as a heavy clicking type of sound which occurs every eight feet or so.

Does differential fluid go bad?

Over time, if the oil goes bad or you have a leak in your differential, metal will grind on metal and will wear down the surfaces. … Since your differential/gear oil can go bad over time and needs to be replaced, you should be aware of the symptoms that indicate the oil needs to be changed.

How do you know when to change differential fluid?

Signs your differential/gear oil needs to be changed and/or replaced include:The oil is contaminated with substances or metal particles.Grinding noise as you turn corners.Humming noises because the gears are grinding against each other due to low lubricant.Vibrations while you are driving down the road.

How full do you fill a rear differential?

Fill until the fluid level is just below the fill cap hole. A small bead of oil will run out of the hole when the differential is full.