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is it better to turn or replace rotors

by Crystel McCullough Published 3 years ago Updated 2 years ago
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It seems to be cheaper to turn the rotors. But it takes time to take them off, go to a shop, get them turned, and then put the old ones back on. It seems more time efficient just to replace the rotors.

Turning a "good" rotor makes it thinner and reduces its ability to absorb and dissipate heat. By turning this good rotor yo may cause warp in the near future when simply replacing the rotor assures you this problem will not occur.

Full Answer

How long before I have to replace my rotors?

The only time you’ll need to replace your brake pads and rotors is when the pads are worn and your rotors are warped, though that doesn’t happen often. Rotors are engineered to last about 50,000-80,000 miles for standard steel. Carbon-ceramic discs will last longer.

How to tell if my rotors need to be replaced?

Visually checking

  1. Park your vehicle on a level surface and turn your car's steering wheel to the far left or right so the tires are at an angle.
  2. Use a crowbar or tire iron to remove one of the wheel covers from the right or left tire, if a cover is in place.
  3. Shine a flashlight into the wheel--you will see the brake rotor and caliper. ...

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How much should you pay to have your rotors replaced?

How much should it cost to replace brake pads and rotors? Labor at a shop to replace rotors and pads is approximately $150 to $200 per axle. Brake rotor and pad repair generally comes out to around $250 to $500 per axle when visiting a professional shop.

Do I Really need my rotors resurfaced?

The only time it is necessary to resurface your rotor is if they are oversized or require smoothing out to diminish the effects of warping due to extreme heat or ill-care. If your rotor suits the minimum thickness and spins smoothly, you do not need to resurface your rotors.

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Should I get my rotors turned or replaced?

If your rotor surface is smooth there is generally no need to have them turned. If, however, you have warping, or rough spots they should be turned, or replaced if need be. This is easily detected if you have a solid, non-pulsing braking action when you press down on the pedal.

Should I resurface my rotors or buy new ones?

Those severely damaged rotors usually need to be replaced, not resurfaced. Some vehicle manufacturers even require that you replace your rotors rather than resurface them. Otherwise, most industry experts suggest that you should replace them every 30-70K miles.

Is it good to have rotors resurfaced?

A resurfaced rotor must meet the minimum thickness specification defined by the rotor manufacturer. If a rotor can't meet the minimum thickness, you shouldn't resurface it as it'll become too thin, unsafe, and warp easily. Next, the rotor mustn't be warped or cracked. Always get a new rotor for this type of damage.

How long do rotors last on average?

between 50,000 and 70,000 milesIdeally, you should have your brake pads replaced between every 10,000 and 20,000 miles, and your rotors replaced between 50,000 and 70,000 miles.

How often should rotors be replaced?

Your rotors are one of the most durable parts of your car, but the above factors can shorten their lifespan. Expect your rotors to last anywhere from 30,000-70,000 miles depending on the above factors.

How much does it cost to have rotors turned?

The cost for turning a rotor runs anywhere from $15 to $25 per rotor. Purchasing new rotors typically will cost from $20-$30 per rotor and of course you will have a lot less problemsand a much longer rotor and brake pad life span.

What happens if I don't resurface my rotors?

There is no need to resurface them as this may actually produce runout and will reduce their service life. If your vehicle originally included brake rotors with a separate hub and disc (composite rotors) they can safely be replaced with cast iron brake rotors.

How do I know when my rotors are bad?

How to Tell if Rotor Is Bad (15 Bad Rotor Symptoms)Vibration in the steering wheel.Pulsating brake pedal.Intermittent brake noises.Grinding when hitting brakes.Screeching after brake pad installation.Out-of-round rotors.Deep grooves or score marks.Cracked rotors.More items...

How long do resurfaced rotors last?

Even resurfaced rotors need to be replaced every 70,000 miles, doesn't matter that they are in good working condition. Look for signs of uneven wear, excessive runout, and heavy pitting, spotting, grooving, hard spots, or cracking.

Can rotors last 100 000 miles?

Rotors are very capable of lasting more than 100,000 miles with proper brake inspections, maintenance, and brake pad changes. When brake rotors are replaced, it's advised to replace all of them and brake pads at the same time.

How can I make my rotors last longer?

0:125:09Doing This Will Make Your Brakes Last Twice as Long - YouTubeYouTubeStart of suggested clipEnd of suggested clipWater it can warp the rotors. It can do damage. So drive very cautiously when it's raining don'tMoreWater it can warp the rotors. It can do damage. So drive very cautiously when it's raining don't slam your brakes on that and of course if you want the last oysters. Long you want to make sure.

Do I need to resurface my rotors when changing brake pads?

Rotors can usually only be resurfaced once, if at all, before they must be replaced. Ultimately, resurfacing rotors when you install new brake pads is a middle price point and a good compromise if you don't want to spend more money on new rotors.

How much does Oreilly charge to turn rotors?

O'Reilly Auto Parts It takes only about an hour to get your rotors turned at O'Reilly and costs between $10 to $50 per rotor.

What Happens if You Do Not Maintain Your Brake Rotors?

Brakes are a big deal, right? Brakes are one of the biggest safety concerns with driving a car , and it is imperative for your sake and mine that we are all doing everything we can to ensure we are driving in a car that has safe brakes.

How Many Times Can You Resurface Your Brake Rotors?

Eventually, you will need to replace all of your brake rotors unless you are just leasing a car and turning it in for a new one every couple of years. Every time you resurface your brake rotor, you are removing pieces of it, meaning it will not last forever.

How thick is a brake rotor?

Thickness is what is important. Usually, the average brake rotor is around 12 millimeters thick, and you can safely resurface it down to 10.5 millimeters. Anything below 10.5 millimeters and you will want to buy a new one instead.

Why are my brakes less effective?

Maybe cause less effective braking over time: Every time you resurface your brake rotor, you are removing part of the metal that makes up the rotor, which makes the brake rotor thinner. That could make your brakes less effective over time. This also means you could go through the trouble of resurfacing your rotors, only to find out you removed too much of the rotor for the brake to function or to pass a car inspection. In this case, you might end up replacing the brake rotor after you resurfaced it.

What to do if your brakes start to wear?

If you find that your brakes are starting to wear, you need to investigate your brake rotors. Maybe you have already changed the brake pads, leaving you to conclude that the brake rotors are the problem.

What happens if you drive on bad brakes?

But, other parts of your car will step up and take the brunt of bad brakes. Your tires will wear out, and your engine might lock up.

How does heat affect brake rotors?

Heat can affect your brake rotors. If you live somewhere that is always hot like the Deep South, your brake rotors might have a shorter lifespan.

Why turn a good rotor?

Turning a "good" rotor makes it thinner and reduces its ability to absorb and dissipate heat. By turning this good rotor yo may cause warp in the near future when simply replacing the rotor assures you this problem will not occur. R1 Concepts Brake Rotors & Pads.

How many millimeters should a rotor be turned?

Rotors can be turned only about 1 or 2 millimeters before they become too thin for safe use and will have to be discarded and replaced.

How to check brake rotors?

Your brake center can check the surface condition of your rotor with a straight edge to see if there is more then 0.5mm or 0.020 inches of hollow and if so your rotors must be turned or replaced. If you do not turn or replace the rotors you will have a dangerous braking situation and your pads will become damaged. Since this is a safety issue of the utmost importance, it is strongly recommended that you have a professional mechanic take this measurement for you. Rotors can be turned only about 1 or 2 millimeters before they become too thin for safe use and will have to be discarded and replaced.

Why do brake rotors warp?

Brake rotors that have been repeatedly over heated may warp and create a vibration in the wheel. This warping will significantly wear out your tires and suspension systems. If you press the brake pedal successively harder while coming to a stop and you feel a pulsing sensation, the rotors are more than likely warped.

Is it dangerous to replace brake pads?

You are wasting your money if you are fitting new brake pads on your vehicle and your rotors are seriously scored or hollowed. It's extremely dangerous and could also cause the vehicle a total loss of brake. No one ever wants to experience total brake loss.

Can front wheel drive brakes be turned?

Brake rotors for front wheel drive vehicles are fairly inexpensive. Your rotors can be turned (rotated), machines and still be within factory guidelines, but this usually leaves them thin whereby leaving them to warp or vibrate.

Do you turn rotors on a lathe?

Every rotor that falls within these specifications is turned on a lathe and then sanded on both sides for smooth, non-directional finish. This is the correct way to "turn" rotors that need to be machined, and it provides a smooth surface for the new pads.

Why do they resurface rotors?

Some brake shops will lightly resurface rotors every time they replace brake pads to remove any pad materials that might be left behind. The technique serves to clean the disc and prep it for the new pads.

What is brake rotor resurfacing?

Brake rotor resurfacing is a process where a small amount of the brake disc’s material is removed with a lathe in order to remove corrosion and brake pad deposits. It can also smooth out surface irregularities that can cause vibrations, such as varying thickness.

Why do brake pads shake?

Sometimes this is caused by deposits left behind by your brake pads over time , creating an uneven surface that shakes when the pads are applied. The vibrations could also be due to lateral runout, or the side-to-side movement of the rotor, thinning down some areas of its surface, which can contribute to uneven operation.

Do brake discs have to be groove free?

The disc has to be crack- and groove- free, with enough metal left in its design to maintain its minimum-safe-operational thickness after the process is complete. It’s also worth considering the cost. Brake rotors are typically wallet-friendly — a new set could even equal the cost of labor to resurface your old set.

Can you replace a brake rotor?

Brake rotor replacement is the easiest way to deal with a rotor that’s no longer operating according to its original specifications. However, in some cases, it’s possible to resurface a rotor instead and achieve similar results.

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