Car Problem Solver

A vibration at highway speed is usually caused by tire imbalance, wheel bearing wear, suspension looseness, or drivetrain issues. This guide explains how to diagnose speed-related vibration step-by-step and isolate the real source without replacing unnecessary parts.

A grinding noise while driving can indicate worn brake pads, rotor damage, wheel bearing failure, or drivetrain problems. This guide explains how to diagnose grinding sounds based on when they occur and how they change with speed, braking, and turning.