Q: Car shaking when braking over 50 MPH

asked by on

I recently replaced my aftermarket brake pads and rotors. Now, the car shakes terribly when braking at speeds over 50 MPH. At lower speeds, I can feel pulsations around 14 to 30 MPH, but only while stopping downhill. I did not have this problem before replacing the rotors and brake pads. The rotors are slotted and drilled, with all eight ceramic brake pads.

It sounds as though you may have a warped set of rotors. This is not that uncommon when replacing rotors. Furthermore, the surface where the rotor mounts to the spindle should be clean; if the area has a build-up of rust, then the new rotor may not be setting flat. Most likely, the new rotors are warped, in which case you will want to have them swapped-out with a new set; hopefully your parts supplier will be amenable to this. I recommend that you have a mechanic, such as one from YourMechanic, come by to check the rotors, and run a thorough diagnostic on your shaking while braking issue.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Car shaking when braking over 50 MPH

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My car is making a vibrating/shaking noise

Hi, thanks for writing in. Sometimes when a motor mount is damaged, it will mask issues with other components on the vehicle. Although I'm not there to physically inspect your vehicle, my suspicion is that you may have damage to...

Q: Which fuel should I use, 91 or 95?

Hi There, Octane rating is the measure of a fuel's ability to resist "knocking" or "pinging" during combustion, caused by the air/fuel mixture detonating prematurely in the engine. Most gasoline vehicles with factory engines (assuming no modifications) are designed to...

Q: Shaking and revving upon startup.

It is normal for the engine to rev a bit higher than normal when a car first starts up. But, after a few seconds it should come back down to normal. In cold weather, it might stay high for a...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...