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What is a common mistake when replacing a caliper?

When replacing a caliper on your vehicle, it's important to avoid common mistakes that can lead to further issues. A caliper is a critical component of your vehicle's braking system, and improper installation or replacement can compromise the safety and performance of your brakes.


Mistake 1: Failing to Properly Bleed the Brake System


After replacing a caliper, it's essential to bleed the brake system to remove any air bubbles that may have been introduced during the process. Failing to do so can result in a spongy or unresponsive brake pedal, which can be dangerous. Proper bleeding of the brake system is a crucial step that should not be overlooked.


Mistake 2: Reusing Old Brake Pads


When replacing a caliper, it's recommended to also replace the brake pads on the same axle. Reusing old brake pads can lead to uneven wear and tear, which can cause the new caliper to wear out prematurely. Replacing the brake pads along with the caliper ensures optimal braking performance and extends the lifespan of the new caliper.


Mistake 3: Improper Caliper Mounting


Ensuring the new caliper is properly mounted and secured is crucial. Incorrect mounting can cause the caliper to bind, leading to uneven brake pad wear and potential brake failure. Carefully follow the manufacturer's instructions and torque specifications when installing the new caliper.


Mistake 4: Failing to Inspect the Brake Hose


When replacing a caliper, it's a good idea to also inspect the brake hose for any signs of wear or damage. A damaged or worn brake hose can cause fluid leaks, which can compromise the braking system. If the brake hose appears worn or damaged, it's recommended to replace it as well.


Mistake 5: Neglecting to Properly Bed-in the New Caliper


After installing a new caliper, it's important to properly bed-in the new brakes. This involves a series of gentle braking applications to allow the new brake pads to conform to the rotor surface. Failing to properly bed-in the new caliper can lead to premature wear and tear on the brake components.


By avoiding these common mistakes, you can ensure a successful caliper replacement and maintain the safety and performance of your vehicle's braking system.

Do you need to break in new brake calipers?


Brakes need to be broken in to ensure optimal performance and to maximise their effectiveness and longevity.



When replacing brake calipers, what should you suggest to replace as well?


Check your brake pads while you're changing the caliper since they may be worn down. If you replace the brake pads for 1 wheel, then also replace the pads on the opposite side of your vehicle so they wear down evenly.



How to tell if a caliper is seized?


How to Tell If Your Brake Caliper is Stuck

  1. If your car's not driving as it should do - whether it's got less power or is pulling to one side - then you may have a seized brake caliper.
  2. Sluggish car.
  3. Car pulling to one side.
  4. Wheels & alloy hubcaps getting really hot.



Can you replace one caliper and not the other?


Yes, you can replace one brake caliper at a time. However, there are a few things to keep in mind: Brake Balance: If you replace only one caliper, ensure that the new caliper has similar performance characteristics to the remaining caliper on the same axle.



How do you bleed new calipers by yourself?


All you have to do is fill up the master cylinder reservoir with fresh fluid. Then starting at the wheel farthest from it (typically the right rear), loosen the bleed screw on that brake caliper/cylinder. Go inside and play on your phone for at least an hour. Close the bleed screw and top up the master cylinder.



What is the lifespan of a brake caliper?


between 75,000 and 100,000 miles
Brake callipers are designed to last. Realistically, you can expect to get between 75,000 and 100,000 miles out of them, and even though they are one of the more resilient parts of your braking system, they can still fail prematurely.



Can you replace calipers without replacing brakes?


Don't replace the front calipers unless one or both are damaged. Rear disc brakes do not have as much effect on the car if not replaced in pairs. Rear brakes provide only about 30% of the total brake capacity of a vehicle. So, if one of the calipers is replaced, the swerve effect may not be as noticeable.



Why does my brake pedal go to the floor after changing the caliper?


A worn or malfunctioning master cylinder. If the master cylinder isn't performing as designed, it may need to be replaced. Defective replacement cylinder. If, after the master cylinder has been replaced and the system has been bled, and still your brake pedal goes to the floor, the new master cylinder may be defective.



How do I know if my new caliper is bad?


What are the Symptoms of a Bad Brake Caliper?

  1. Pulling to one side. A seized brake caliper or caliper sliders can cause the vehicle to pull to one side or the other while braking.
  2. Fluid leaks.
  3. Spongy or soft brake pedal.
  4. Reduced braking ability.
  5. Uneven brake pad wear.
  6. Dragging sensation.
  7. Abnormal noise.



Do you have to bleed brakes after changing caliper?


If you opened the braking system to replace parts like the brake calipers, brake hose, and brake master cylinder, you should also perform a brake bleed. When you open the brakes, air can enter the hydraulic system and become trapped inside after you close it.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.