Hydraulic Valve Lifter: Essential for Engine Performance

Why You Need It

The hydraulic valve lifter plays a crucial role in maintaining optimal engine performance. It's designed to eliminate the mechanical play in the valve train, ensuring smooth and efficient engine operation. This component cushions the impact between the camshaft and the valves, reducing noise and wear, making it vital for a quiet and durable engine.

How It Works

This hydraulic component operates by using oil pressure to maintain zero lash in the valve train. As the camshaft rotates, the lifter translates the cam's rotational movement into linear motion, enabling the valves to open and close precisely. This precision ensures the engine breathes efficiently, optimizing power output and fuel efficiency.

Consequences of a Broken Valve Lifter

If a valve lifter fails, it can lead to a series of detrimental engine issues. A worn or broken lifter will create excessive valve clearance, resulting in a characteristic ticking noise. More critically, it can cause improper valve timing, leading to reduced engine efficiency and power. In severe cases, a malfunctioning lifter might even cause engine misfires or damage to the camshaft and other valve train components.

Compatible Car Models

• Q40/G Sedan
• Q70/M
• M35/45
• Qx70/Fx
• Q70/M Hybrid
• Qx50/Ex
• Q50
• Qx80/Qx56
• Q60/G Coupe
• Q60/G Convertible
• G37 Sedan
• M