Posted on 4/25/2025
You hop in the car on a hot New Orleans afternoon, start it up, and immediately hear a high-pitched squeak—maybe from under the hood, the suspension, or even inside the cabin. It might fade after a few minutes, or it could stick around the entire drive. Either way, it’s annoying—and it makes you wonder if something’s wrong. So, is it normal? Not exactly. But it is common. Here’s why heat can bring out those squeaky noises in your car and what you can do to quiet them down for good. Heat Affects Rubber and Metal in Unexpected Ways Your car is full of components made from rubber, plastic, and metal—all materials that react to heat. When temperatures rise, rubber bushings, belts, and seals expand and soften, while metal parts expand at a different rate. This can lead to slight movement, misalignment, or friction between parts that don’t normally rub against each other. That friction is what causes squeaks. So while the noise m ... read more