What causes high speed shimmy?
The most common reason for a car to shake is related to tires. If the tires are out of balance then the steering wheel can shake. This shaking starts at around 50-55 miles per hour (mph). It gets worse around 60 mph but starts to get better at high speeds.
Why does my car shake when I go over 70 mph?
Problems with inner CV joints will usually occur under hard acceleration and heavy load. Depending on how bad it is, it could manifest as a minor vibration or violent shaking. So, if your car shakes when driving over 70 mph and your tires check out, then you might have worn CV joints or a worse powertrain problem.
How long can you drive a car with unbalanced tires?
Some of our professionals view on unbalanced tires proves that you can drive with unbalanced tires as long as you like until the tires get worn out. The unbalanced tires make shaking and rattling on the steering.
How can you tell if your steering wheel is shimmying?
Depending on the severity and type of shake, you might be able to see it in your hands or even see it if you loosen your grip on the steering wheel. Paying close attention to how and when steering wheel shimmy occurs will help you to narrow down the cause.
Why does my steering wheel vibrate when I go over 50 mph?
Be sure to have the rotor checked and skimmed or replaced completely if needed. A worn out or rusted brake caliper pin may be another culprit for vibrations. You will probably feel your steering wheel start to vibrate around 50 miles per hour, which will intensify as you increase your speed, and you’ll sense a burning smell when you stop.
How often does the steering wheel shake while driving?
The shaking is very inconsistent, though. Sometimes it hits 65 before it shakes, but other times its barely 60. I just had my tires balanced, and the shaking isn’t consistent. It’ll shake for a second or two, then stop, then shake, then stop and so on.