Your Car Is Talking — Here's What It's Saying
Every unusual sound your car makes is a clue. Some noises mean "fix me this week," and others mean "pull over now." After decades of diagnosing vehicles in Spokane, our ASE-certified technicians at All Motors Center can translate just about any automotive sound. Here's your guide to the most common ones.
Squealing When You Brake
A high-pitched squeal when braking is usually the built-in wear indicator — a small metal tab that contacts the rotor when your brake pads are thin. It's designed to annoy you into getting the pads replaced before they damage the rotors. Don't ignore it — the fix is affordable now but gets expensive if you grind through to the rotor.
Grinding When You Brake
If the squeal has become a metallic grinding, you've likely worn through the pads entirely and are now metal-on-metal. This damages the rotors and can compromise braking safety. Get to a shop as soon as possible.
Clicking or Popping in Turns
A rhythmic clicking that speeds up with the turn and gets louder with tighter turns is classic CV joint failure. The rubber boot has cracked, grease has escaped, and the joint is wearing out. Replacing it early saves money versus waiting until it fails completely and leaves you stranded.
Humming or Droning at Speed
A constant hum that changes with speed but not with engine RPM usually points to a worn wheel bearing. It often changes tone or volume when you shift the car's weight in a turn. Left unfixed, a bearing can seize — a serious safety hazard.
Knocking or Clunking Over Bumps
Clunking when you hit a pothole or go over a speed bump usually comes from worn sway bar links, ball joints, or strut mounts. Spokane's rough roads and freeze-thaw cycles accelerate this wear. A suspension inspection will pinpoint which component is loose.
Serpentine Belt Squeal on Startup
A loud squeal that lasts a few seconds when you first start the car — especially on cold Spokane mornings — is usually a worn or glazed serpentine belt. It can also mean a tensioner pulley is failing. The belt drives your alternator, power steering, and AC compressor, so a failure leaves you without all three.
Hissing Under the Hood
A hissing sound from the engine bay can indicate a vacuum leak, a coolant leak hitting a hot surface, or a small exhaust leak. Vacuum leaks cause rough idle and poor fuel economy. Coolant leaks lead to overheating. Both need diagnosis.
Rattling from Underneath
A metallic rattle from under the car — especially during acceleration — is often a loose or failing heat shield on the exhaust system. It's annoying but usually not dangerous. However, a rattle combined with a check-engine light can mean a catalytic converter issue, which is a pricier fix.
When to Worry
Any noise that's new, sudden, or getting louder deserves attention. The sooner you get it diagnosed, the cheaper the fix almost always is.
Bring your noisy car to All Motors Center at 3310 E Trent Ave, Spokane, or call (509) 655-7715. We'll translate the sound into a diagnosis and a clear estimate.