What causes the car to shake when accelerating from 60 to 80 mph?

1 Answers
SebastianLynn
07/29/25 9:02pm
The reasons for the car shaking when accelerating from 60 to 80 mph are as follows: Loose drive shaft: Check if the drive shaft (i.e., the half shaft) is loose. You can also perform a test drive to inspect. The inspection method is to release the throttle and shift to neutral at 80 mph. If it doesn't shake, it's a half shaft issue. If it still shakes, perform a four-wheel dynamic balance check to see if there is water inside the tires. Excessive gap in suspension ball joints or connecting components: When the car accelerates from 60 to 80 mph, the front body shakes, but it doesn't shake when not pressing the throttle or at other speeds. This is caused by excessive gaps in the front suspension ball joints or connecting components, which create shaking at a certain frequency. It is necessary to go to a repair shop to adjust the toe-in and front wheel alignment.
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