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Ford Explorer XLS

Why would a car shake like it has flat tire when you hit 53-63MPH?

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2015-07-14 16:47:40
2015-07-14 16:47:40

Out of balance tires, worn out tires, (tread separating, etc), bad tie rod ends, idler arm, center link, etc.

your tires need to be ballaced

The EXACT same thing just happened with my car. It would shake at higher speeds, but especially when the brakes were hot after driving for a few minutes. I took my car to the shop yesterday and they diagnosed it as a sticking brake caliper. The caliper is not releasing as it should, therefore making the brakes drag. The technician said he could barely turn the rotor it was so bad. He also said I will get much better gas mileage once it's fixed!

What happens basically is that the brakes stick, causing severe shaking and vibration in the steering wheel. I also felt it in the brake pedal when slowing down from high speeds. It felt exactly like a flat tire. It's basically like having one brake partially on while you are driving. It's very important to have this repaired ASAP as it puts wear on other parts of your car (esp. suspension parts: bearings, tie-rods, etc.). If you continue to drive with a sticking caliper it will eventually cause more damage.

These are the parts that need replacing on my car: calipers, brake pads, and possibly rotors. Sometimes the rotors can be resurfaced if they are not worn down too thin or warped. It is best to replace both driver and passenger side parts even if only one side is bad. If you only do one side, it will cause the car to pull to the opposite side, during braking causing it to wear down fast. You will soon need to replace the other side anyhow. Best to do them both at the same time so they will wear evenly and not cause unequal wear on either side.

But before you bring it into the shop, check your lug nuts to be sure they are not loose. Good luck!

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