
Rocker arm - Wikipedia
A rocker arm is a valvetrain component that typically transfers the motion of a pushrod in an overhead valve internal combustion engine to the corresponding intake/exhaust valve.
8 Symptoms of a Bad Rocker Arm (and Repair Cost)
Nov 4, 2025 · That annoying ticking coming from under your hood likely isn’t your imagination. A malfunctioning rocker arm is often the cause of this worrisome sound. Keep reading to learn …
Bad Engine Rocker Arm Symptoms & Replacement …
May 26, 2025 · The rocker arm functions as the quarterback that directs the movements of your engine's valvetrain. The rocker arm transforms the rotational energy of the camshaft into the …
Symptoms of a Bad Rocker Arm: Causes, Diagnostic And …
Nov 16, 2025 · Rocker arms are part of your engine’s valve train system. They act as an intermediary between the camshaft and the valves, transferring the camshaft’s rotational …
What is Rocker Arm? | Symptoms and Causes of bad Rocker Arm
In an IC engine, the rocker arm is a mechanical device that transmits the pushrod motion to the corresponding exhaust and intake valves. Stamped steel or aluminum (for high-speed …
What Happens When a Rocker Arm Goes Bad? - Wanasign Auto
Nov 15, 2024 · Rocker arms are essential parts of an internal combustion engine’s valve train. They serve as levers that transfer the camshaft’s motion to the valves, allowing them to open …
Bad Engine Rocker Arm Symptoms, Plus Replacement …
Feb 6, 2024 · The purpose of a rocker arm is to move the intake and exhaust valves when the camshafts are not mounted directly above them. They are most commonly used on engines …
How To Replace Rocker Arms: 8 Easy Step To Follow DIY
Nov 15, 2025 · Do you hear unusual noises coming from your engine, experience rough idling, or notice decreased engine performance? These symptoms could be indicators of a failing rocker …
Rocker Arm: Diagram, Parts, Function, Material, Uses [PDF]
Mar 4, 2024 · Rocker arms help in the distribution of wear and load on the camshaft. Without rocker arms, the valves would be directly impacted by the lobes of the camshaft, increasing …
Rocker Arm – What is That? What is the Duty? - FMechanic
The rocker arm is a very simple engine part that makes a slight rotation over the engine cylinder head. At the first end of the rocker arm, camshaft buckles are in contact.