Why is my timing chain making a noise?
Why is my timing chain making a noise? If the engine is equipped with a hydraulic timing chain tensioner, the noise may disappear or lessen as the engine oil warms up and the tensioner removes some of the slack. If the timing chain wear is great enough so the tensioner can no longer compensate for the slack, the noise may continue even after warming up. What to look for when replacing timing chain? When replacing the timing chain, it’s important that the accessory belt, tensioner, idler pulleys, and water pump are inspected as these components wear at a similar rate....