Is It Necessary To Change Differential Fluid?

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Most differentials need a fluid change at about 50,000 miles. If left too long or if the fluid starts to run low, the differential will become noisy and can eventually fail. If that happens, the gears can seize, locking up the rear wheels and potentially causing a lot of damage or even an accident.

Does changing differential fluid make a difference?

Just like an engine oil change, a differential fluid change is vital too to keep your car in good working condition. Differentials deal with moving parts that involve metal to metal contact that produces heat from friction. … When this happens, its gear will grind leaving behind metal shavings and other waste.

Is it bad to change rear differential fluid?

In a RWD system, the rear-differential has its own lubrication. … Replacing or repairing a rear differential is a very expensive job. For this reason, it is good to at least check these fluids every 30,000 miles and to change them every 75,000 miles.

How much does differential fluid change cost?

When changing the differential fluid, the overall differential fluid change cost averages between $80-$150 for the rear and $70 to $130 for the front change, coming in at a total price of between $150-$280 for the differential fluid change cost.

What are the signs of a bad rear differential?

Symptoms of a bad rear differential

  • Excessive Noise: …
  • Differential failure due to lack of lubrication: …
  • Differential overheating: …
  • Difficulty in handling the wheels: …
  • Vibration: …
  • Lack of Oil: …
  • Wrong oil type: …
  • Normal wears:

Can you drive without differential fluid?

Can I drive without differential fluid? Generally speaking, your Car ,just can’t run out of differential fluid . For that to happen you’ll have to go on driving for a long long time without any service of the vehicle ,which I’m sure no sensible motorist would do.

How often should you get your differential fluid change?

Generally speaking, differential fluid should be changed anywhere from every 30,000 miles to 60,000 miles. Your Chevrolet Owner’s manual should outline differential fluid changes in the recommended maintenance schedule.

How do you know when to change differential fluid?

The recommendation of most car manufacturers is that you change your rear differential fluid about every 30,000 miles to 60,000 miles. Look at the owner’s manual of your car to find the exact mileage amount. This interval gets shorter the harder you drive your vehicle.

What kind of fluid goes in a rear differential?

There are two types of differential fluid. One is mineral oil, which is a natural, crude oil-based fluid. The other is synthetic differential fluid, which is created in a lab.

How much does it cost to fix a rear differential?

If new gears are needed the price can be at least $1,500. Going to the worst-case scenario, if the differential is beyond repair, you’ll need the component to be replaced altogether. You can expect a rear differential replacement to cost up to $4,000.

Can you drive with a bad 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. It is smartest and safest not to drive with a bad differential.

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What color should differential fluid be?

Well-Known Member. If you have water in your oil or differential fluid, it will be a brown color like a chocolate milkshake.

What is the best rear differential fluid?

Differential fluid, also called gear oil, is the fluid that is poured into the rear differential housing.



  1. Editor’s Choice: Red Line 75W90 GL-5 Gear Oil. …
  2. Lucas Synthetic Racing Gear Oil. …
  3. Royal Purple Max-GEAR. …
  4. Liqui Moly Fully Synthetic Gear Oil.

What is differential fluid change?

The differential oil lubricates the ring and pinion gears that transfer power from the driveshaft to the wheel axles. … The purpose of the differential fluid is to cool and lubricate your differential. Without the oil your differential would overheat due to the metal-to-metal contact and burn itself out.

How long should 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.

Can you drive without rear differential?

You still need your rear differential installed but you don’t need the rear driveshaft. So essentially it becomes a front wheel drive vehicle. There is no differential in the transfer case, the front and rear output shafts turn the same no matter what.

How long can you drive with a leaking differential?

If the leak is small and you can’t make it to an appointment for a few days, it is okay to drive your vehicle as long as you keep the transmission fluid full. Do not push it too far though, as ruining your transmission is an expensive repair.

What happens when the rear differential fails?

When a rear differential fails, it can cause vibration, noise and fluid leaks that impact a vehicle’s acceleration and driveability. A driver should consult a certified mechanic to deal with a bad rear differential and prevent further damage to the vehicle’s driving systems.

Does Jiffy Lube Check differential fluid?

Just pull into any Jiffy Lube service center within 3,000 miles of your Jiffy Lube Signature ServiceĀ® Oil Change and technicians will check your tire pressure as well as check and fill, if necessary, up to 2 quarts of vital fluids including oil (the same type originally purchased), transmission, power steering, …

Why does a differential 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.

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