Rattling and Vibrating – How Your Vehicle Ages
As surely as our joints grow sore with age, so too, do our vehicles become more noisy as they grow older. It’s part of the automotive aging process. Unfortunately, tracking down the source of the squeaks and vibrations is often more difficult than mere part failures. If your catalytic converter or alternator fails, you’ll know within minutes. If your transmission or engine overheats, the smoke billowing from under the hood is a clear sign.
When you hear an occasional rattle that becomes persistent with time, identifying the cause can be problematic. In this article, we’ll describe a few reasons why your car, truck, or SUV begins to groan as it ages.
What Causes Rattling And Squeaking?
Rattling and squeaking can come from a number of sources. In some cases, the problem is under the dashboard. Other times, it’s in the brakes. Depending on the age of your car, the noise might be caused by your suspension. The first step in determining the cause is to isolate the general source. Do you hear the rattle under your seat? That suggests thesuspension . Is squeaking coming from the rear of your vehicle next to a tire? If so, your brake pads may be worn. Does the noise occur only when driving over large bumps? Your shocks might be failing.
Tracking Down Leaks
Have you ever been annoyed by a persistent air leak while driving with your windows up? Ever heard a tedious drip while driving in rainy weather? Both types of leaks are incredibly difficult to find. You’ll need a friend to help you locate their source.
With water leaks, have a friend remain within the cab of your vehicle while you hose it down from outside. If the leak is visible inside the interior, your friend should be able to easily locate it (a flashlight helps). If water is leaking within the door, he or she can at least isolate it.
Identifying the source of air leaks requires using a special device while driving. Ask your friend to accompany you while you take your vehicle on the highway. Then, ask him or her to use the leak-identification tool while you pilot your car.
Finding The Source Of Vibrations
Vibrations can come from your car’s chassis, drivetrain, suspension, or engine. Those caused by your chassis are difficult to identify because the location seems to migrate over time. By contrast, the drivetrain will send a clear signal by vibrating your entire automobile.
The most common sources of vibrations are the suspension and the tires. Vibrating tires suggest a balancing issue. On the other hand, if you feel shaking in the steering wheel, that suggests the arm bushings, strut bearings, shocks, orjoints may be failing.
If you notice rattling, squeaking, leaks, or vibrations, have them fixed. They will not resolve themselves. Instead, they will continue to worsen, leaving you with a higher repair bill in the future.
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