Chain Tensioner Assembly: Vital for Engine Timing

This key assembly ensures the timing chain remains taut and in sync with the camshaft and crankshaft. The chain tensioner assembly is an indispensable element in your vehicle's engine, responsible for maintaining the appropriate tension of the timing chain. The correct tension is critical for maintaining the precise timing of the engine's valves.

Why You Need this Component

When your engine operates, each component relies on a synchronized dance for optimal performance. The tensioner absorbs fluctuations and prevents slack, ensuring that the chain does not skip over the sprockets. This process is vital for the intake and exhaust valves to open and close at the right moments.

Functionality of the Chain Tensioner Assembly

The tensioner utilizes hydraulic or spring tension to automatically adjust, maintaining constant pressure on the timing chain. This function is pivotal for seamless power delivery and efficient fuel consumption, extending the longevity of your engine components.

Consequences of a Broken Tensioner

If the tensioner malfunctions or breaks, the timing chain can become loose or misaligned, leading to catastrophic engine failure. Symptoms of a failing tensioner include engine misfires, rattling noises, and performance drop, necessitating immediate attention to prevent costly repairs or full engine rebuilds.

Compatible Models

• Q50
• Q40/G Sedan
• Q70/M
• Q70/M Hybrid
• Qx50/Ex
• Q60/G Convertible
• Q60/G Coupe
• Qx70/Fx
• Q70(201802-)Lam
• G37 Sedan
• M35/45
• M