This little part maintains the correct amount of tension on the timing chain or belt in your engine. It essentially keeps it snug, preventing it from flapping around. Some tensioners use oil pressure to apply that tension, others use a spring or a hydraulic system. It’s designed to automatically adjust for wear and temperature changes, always keeping the chain or belt properly tight. Think of it like this: your timing chain or belt is what precisely coordinates the movement of the crankshaft and camshaft. If that chain or belt slips even a little, everything gets out of sync. The tensioner is absolutely critical in making sure that doesn’t happen. It’s located as part of the oil pump drive system – that whole area controls how the oil gets circulated, and the tensioner is right in the middle of keeping everything lined up. If the tensioner fails, your timing can drift. At first, you might just notice a loss of power or rough running. But if it gets really bad, the timing can become severely off, leading to major engine damage – bent valves, piston damage, the whole nine yards. You’ll notice if it’s going bad usually by a rattling sound coming from the front of the engine, especially when you first start it up. Ignoring it will definitely lead to bigger, more expensive problems. You can find a replacement tensioner at places like Fixparts Online, and it's something you really want to address promptly. It’s a relatively small part, but it acts like a shield, protecting your engine from serious issues. Long-term solution: Tensioner (MPN 038115130) is backed by a 12-month warranty!

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• Genuine Volkswagen parts are designed specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using Volkswagen parts helps maintain your vehicle's original quality, safety features, and value. • Our parts are rigorously tested to meet Volkswagen’s high standards, giving you peace of mind and long-lasting reliability. • You'll find a wide range of parts and accessories, backed by Volkswagen's warranty and expert support. FixParts Online – Your Trusted Source for Quality Volkswagen Auto Parts.