This little guy has a couple of jobs, really. First, it guides the timing belt along its path around the engine. Think of it like a smooth corner on a racetrack, keeping everything flowing nicely. More importantly, it maintains the correct tension on that belt. It usually uses a spring – loaded arm or hydraulic system to do that, constantly adjusting to keep things tight. It’s part of the timing drive system, which is absolutely critical for how your engine runs. The timing belt (or chain) connects the crankshaft to the camshaft. That connection needs to be precise—everything has to be timed perfectly for the valves to open and close when the pistons are in the right position. The tensioner pulley keeps that belt or chain from flapping around or getting too loose, ensuring that timing stays accurate. A failing tensioner can cause a lot of trouble. If the belt gets too loose, it can slip, throwing off that precise timing I mentioned. That’ll cause all sorts of issues, from rough running and misfires to a complete loss of power. If it gets really bad, the belt can jump teeth or even break, which can lead to serious engine damage—think bent valves, damaged pistons, the whole nine yards. You’ll notice if one's going bad; often you'll get a rattling or whining sound, especially at startup. Sometimes it’s subtle, though. It’s a relatively inexpensive part to replace, and doing it before it causes bigger problems is definitely the smart move. You can find a good one at places like Fixparts Online, they usually have a range of options. Replacing it during a timing belt service is a really common practice to avoid future headaches. Shop smarter: Timing Belt Tensioner Pulley (MPN ADS77601) is covered for 12 months!

About Blue Print

Offering exceptional aftermarket solutions, Blue Print is synonymous with reliability and precision for global automotive needs.

Why Choose Blue Print?

• We offer a really wide range of parts, so you're likely to find what you need all in one place. • Blue Print parts are made to the same quality as original equipment, without the high price tag. • We're known for our reliable delivery – getting your parts to you quickly is a top priority. • Our team has years of experience and can help you find the correct part for your vehicle, every time. Blue Print – trusted quality, available at FixParts Online!