Squealing Noise from Engine Bay: Common Culprits

Squealing Noise from Engine Bay: Common Culprits

  Quick Answer: A squealing noise from your engine bay is most often caused by a worn serpentine belt, failing belt tensioner, or a seized pulley (like the alternator or power steering pump). Ignoring it can lead to overheating, battery failure, or even engine damage. Fixing it yourself is usually a moderate-difficulty job, costing $20-$100 … Read more

Grinding Noise When Starting Engine: The Complete Diagnosis and Repair Guide

Grinding Noise When Starting Engine: Diagnosis Guide

It was 6:47 AM on a freezing January morning when Sarah pulled into my bay with her 2015 Honda Accord. “It sounds like metal teeth chewing rocks,” she said, and honestly, that’s the best description I’ve ever heard for a failing starter motor grinding. I turned the key, and sure enough—GRRRRR-GRRRRR-GRRRRR—that unmistakable metal-on-metal shriek that … Read more

Thermostat Failure: Symptoms and Replacement — A Master Tech’s Deep Dive

Thermostat Failure: Symptoms and Replacement

Few components in your vehicle’s cooling system are as deceptively simple—and critically important—as the humble thermostat. About the size of a hockey puck, this unassuming device regulates coolant flow between your engine and radiator, ensuring your engine runs at its optimal temperature. Yet, when it fails—which it inevitably will over time—it can trigger a cascade … Read more

Engine Overheating: Common Causes and Quick Fixes

Engine Overheating: Common Causes and Quick Fixes

Last Tuesday afternoon, a panicked customer pulled into our bay with steam billowing from under her hood. She’d been sitting in bumper-to-bumper traffic on I-95 when her temperature gauge suddenly pinned itself in the red zone. “I just had the oil changed last week,” she said, as if that should’ve prevented this. I popped the … Read more