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<h2>What is a balance shaft?</h2>
A balance shaft, also known as a balancing shaft or counterbalance shaft, is a rotating component used in some internal combustion engines to help reduce vibrations and improve engine smoothness.&nbsp;The balance shaft&nbsp;in an internal combustion engine is typically positioned parallel to the crankshaft, driven by the engine's timing system, and housed within the engine block.
A balance shaft typically consists of a weighted shaft that rotates twice the speed of the engine's crankshaft. Doing so generates forces that are equal in magnitude but opposite in direction to the unbalanced forces produced by the engine's pistons and other moving components. Its implementation helps enhance the driving experience by minimizing noise, vibration, and harshness (NVH). This is particularly important for engine designs that are prone to generating elevated levels of vibration.
<h2>What happens when the balance shaft fails?</h2>
<ul>
<li>Increased vibration: Noticeable engine roughness or vibration can indicate the balance shaft&nbsp;is not properly counteracting imbalances.</li>
<li>Engine roughness: A faulty balance shaft&nbsp;can cause the engine to run more roughly, with perceptible vibrations.</li>
<li>Unusual noises: Grinding, whirring, or knocking sounds from the engine may suggest balance shaft&nbsp;bearing or component problems.</li>
<li>Decreased fuel efficiency: A malfunctioning balance shaft&nbsp;can lead to increased engine losses and reduced fuel economy.</li>
<li>Check engine light: The vehicle's diagnostics may detect balance shaft sensors or system issues, triggering the check engine light.</li>
<li>Loss of power: Severe balance shaft&nbsp;failure can result in a noticeable decline in engine performance and power.</li>
</ul>
Prompt attention to warning signs is key to preventing further damage. Regular maintenance helps identify potential balance shaft issues early. Addressing balance shaft problems promptly extends the shaft's lifespan and mitigates harm to other components, like <a href="https://a-premium.com/engine-mount">engine mounts</a>.
<h2>Reliable balance shafts from A-Premium</h2>
A-Premium's balance shafts are made from high-quality materials, ensuring exceptional durability and longevity. Their finely tuned dynamic balancing system effectively counters the engine's internal vibrations, significantly reducing noise and harshness. The result is a more comfortable and serene driving experience for both the driver and passengers.
Benefit from fast shipping to receive your balance shafts promptly, reducing downtime. Our 90-day free return policy guarantees you can send it back if it fails to meet your needs. Enjoy the confidence of our industry-leading 3-year warranty, safeguarding your investment. Our superior service level distinguishes us from competitors, delivering an unparalleled customer experience.

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Engine Balance Shaft for VW GTI Jetta Passat AUDI A3 A4 A5 Q5 TT L4 2.0L