engine knocking : Danny's Engineportal

measuring crankshaft connecting rod journal

Engine Bearing Clearance: Why It Matters and How to Measure It

04/14/2026

Engine bearing clearance is one of the most critical factors in proper engine lubrication and long-term durability. If the clearance between the crankshaft and bearings is too tight or too loose, it can lead to […]

Guide to car engine noise diagnosis and troubleshooting.

Engine Noises: Where Are They Coming From: Are They Bad

02/11/2026

Engine noises are your engine talking to you—are you listening? Learning to decode rhythmic taps, heavy knocks, and high-pitched pings can save you thousands in repair bills. With a little practice, you can gain the […]

Engine Knocking – Pinging – Rattling Noise – Most Common Causes

06/23/2025

Are you hearing an annoying, engine knocking, pinging or rattling noise, when you accelerate your engine. For instance, knocking, when working hard under load, like driving uphill, passing a slowpoke or towing a trailer. Then, […]

Engine Knocking Ticking Noise – Is This The End Of Your Engine

06/18/2025

So, your driving down the road and all of a sudden you hear, a engine knocking ticking noise. Many assume this engine knocking ticking noise, is the end of their engine and just move on. […]

Engine Rattling Noise – Reasons You May Have Them – Solutions

06/06/2025

You start your engine like normal, but you hear an engine rattling noise, you’ve never heard before. Subsequently, an engine rattling noise, can spring up from a number of different sources. So, the first part […]

Vehicle Noise: What Do You Hear And When Do You Hear It?

03/15/2025

So, hearing unfamiliar vehicle noise, can cause panic in many drivers. Consequently, many do not know enough about vehicle systems, to know if it’s something to worry about or not. That’s why, listening to your […]

Carbon Deposits On Back Of The Intake Valves

Carbon Deposits in Engines: Causes, Effects, and Prevention

12/14/2024

So, carbon deposits are formed, by the black soot that collects, and hardens in your engine. Consequently, every engine produces carbon. But, some engines are worse than others. So, the reason all engines have carbon, […]

Engine Noise: Common Causes and Solutions

11/09/2024

Many drivers just ignore engine noise, and hope that it’ll just go away on its own. Chances are it won’t, and that engine noise will only get worse, leaving you with an even bigger problem. […]

Engine Spark Knock Images Showing Normal and Premature Combustion

Engine Spark Knock: Causes, Symptoms, and Solutions

07/08/2024

Engine spark knock, sounds like a metallic knocking, pinging or rattling noise, coming from your engine. Engine spark knock, is usually heard, during moderate to heavy engine acceleration. And, usually occurs after the engine, has […]