Posts Tagged: engine noise diagnosis
Is That Rod Knock or Lifter Tick? How to Tell the Difference
What Rod Knock Sounds Like vs. Lifter Tick: How to Tell the Difference Quick Summary Rod Knock vs. Lifter Tick If you hear a new ticking, tapping, or knocking noise from your engine, figuring out where it’s coming from and how it changes with RPM can tell you a lot about what is going wrong. • Rod knock usually sounds deep, metallic, heavy, and rhythmic. • Lifter tick is generally lighter, sharper, and comes from the top of the engine. • Rod knock often becomes more noticeable as RPM or engine … Read More
Find Engine Noise Fast With an Automotive Stethoscope
Step-by-Step Automotive Stethoscope Testing Quick Summary If you’re trying to track down a mysterious engine noise, don’t waste time guessing or replacing parts. An automotive stethoscope is one of the most effective and inexpensive diagnostic tools you can own. By listening directly to components such as bearings, pulleys, injectors, valve train parts, and accessories, you can pinpoint the exact source of an engine noise in minutes. In this guide, I’ll show you how to use an automotive stethoscope correctly, what sounds to listen for, and how professional technicians isolate engine … Read More