The car pulls heavily to one side while driving, either the car pulls to the left or pulls to the right. When a car pulls heavily to either left or right while you are driving, it is an indication of three possible problems, a mismatch front tire pressure, and out of alignment wheels or a dragging front brake.
The reason why car pull heavily to one side while driving
(1) Mismatch front tire pressure.
(2) Out of alignment wheels.
(3) Dragging brakes.
Car troubleshooting
Start the diagnosis by checking the tire pressure on both the front tire, get a tire pressure gauge and check the tire pressure, the tire pressure must be the same as the recommended inflation pressure by the car manufacturer. The recommended inflation pressure can be found on the car owners' manual or the sticker adhere to the driver's side door. The inflation pressure of both the front tire must be the same, if not then this causes car pulling.
If the inflation pressure is the same, the next is to check, if one of your car's front brakes is dragging.
What to do?
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Drive the car for a minimum period of 15 minutes to park car. Get out of the car and touched the hub of each front wheel, Observe if one hub is hotter than the other, if so then the one with the hotter wheel is the one with a dragging brake thus causing the car to pull heavily on one side. However, if there is no difference in temperature between the left and right hub wheel then the only remaining possible reason for car pulling is an out of alignment wheel.
Wheel alignment has to do with how straight is the wheel relative to the car frame, if the wheel is out of alignment this can cause the car to pull heavily on either left or right. Uneven front tire inflation pressure, front brake dragging, or out of alignment front wheel
What to do?
If the problem is uneven tire pressure on the front, just make sure that the front has the same inflation pressure equal to that of the recommended inflation pressure by the car manufacturer.
If the problem is the dragging front brake, bring your car to a reputable auto repair shop and ask the mechanic to inspect the front brake where the dragging occurs and repair it if necessary. Sometimes the cause of brake dragging is just a corroded support bracket and can easily be fixed by just cleaning the support bracket with a wire brush then coat it with a recommended lubricant.
If the problem is an out of alignment front wheel, likewise bring the car to a reputable auto repair shop for alignment to fix the problem and avoid a much worst uneven tire wear.
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