engine noise : Danny's Engineportal

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 […]

Valve Lash Setting – Top End Ticking Noise, Usually The First Sign

Valve Lash Setting For Quiet Engine Performance

01/08/2026

Valve lash setting, is something most drivers don’t even think about. First, you need to know if you even have an adjustable valve train for valve lash setting. In most cases, you will not have […]

Pushrods On G.M. 3.1-3.4 Engines – This Is Where Length Matters

09/26/2025

Exhaust and Intake Pushrods, on G.M. 3.1 and 3.4 engines are different lengths. So, quite often we still see bent push rods and valves, when they are mixed up. Consequently, Exhaust pushrods on G.M. 3.1 […]

Crankshaft Thrust Bearing Failure – Causes And Remedies

09/16/2025

For years, both transmission and engine rebuilders, have struggled at times, to determine the cause, of crankshaft thrust bearing failure. Diagnosing a crankshaft thrust bearing failure, can sometimes be simple, but often is tricky. And, […]

Flexplate – What Does It Do ? – What Can Happen If It Fails ?

07/20/2025

In vehicles with automatic transmissions, a metal disc called a flexplate, connects the crankshaft to the torque converter. So, a flexplate, as the name implies, serves as a flex-shock device, between the torque converter and […]

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 […]

Valve Springs Can Cause, Floating Valves and Pumped Up Lifters

03/26/2025

Valve Springs, have a very basic job, but how they do it, is very important. By the time they have 100,000 miles on them, they have probably lost up to 10%, of their tension. The […]

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 […]

Hydraulic Valve Lifter Noise: Usually, A Ticking Or Tapping

03/06/2025

Hydraulic valve lifter noise is usually a symptom, that something may be wrong with your engine. So, all engines make some noise, but when you hear an unusual ticking or tapping noise, it usually means […]

Exhaust Manifold Leaks: Causes, Failure Signs, Potential Damage

01/20/2025

So, exhaust manifold leaks, can be dangerous. And, also cause other costly problems. The function of the exhaust manifold, is to collect the exhaust from each cylinder. And, then combine it, into one pipe. It […]