The user @rizzfixx7 has reached over 4,000 likes and includes an on-screen caption that reads, “Timing chain noise.” @rizzfixx7’s 6-second clip is a recording of the engine of what appears to be a ...

If the noise is a metallic rattling noise, then you might be on the right track here. But as well as the timing chain, it could also be the tensioner that keeps that timing chain tight at fault. The ...

Hello Paul, I drive a 2003 Toyota Camry with a 2AZ-FE engine. Recently, my engine has started making a rattling noise when I start it, especially in the morning. The noise is becoming more noticeable, ...

The chain drives the camshafts and provides the timing for the opening and closing of the valves. Chains are used on many engines as an alternative to belts, which need to be replaced regularly.

The problem: Affected vehicles may exhibit a chatter or rattle noise coming from the engine at cold startup. The noise may be due to a slack timing chain hitting the inside of the timing chain case.