Vehicle Questions and Answers
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From 2001 to 2020, the Toyota RAV4 utilized a timing chain to manage engine firing. If you notice a rattling noise when starting the engine, it could be due to a loose tensioner or stretched chain. This situation is critical as it could impact engine timing, potentially leading to engine failure if left unaddressed. Another common reason for hearing a rattling noise while accelerating could be a loose heat shield or another component of the car's exhaust system. Using the wrong fuel octane can result in a "pinging" sound, while faulty spark plugs causing misfiring can also be mistaken for rattling. However, it is more probable that loose transmission or motor mounts are vibrating during acceleration. Repairing a loose heat shield typically costs between $250 and $300 for parts and labor.
I drive a 2015 Toyota Rav4 LE and recently noticed a whistling sound coming from the front passenger side. It seems like it could be related to the belt, but I'm not entirely sure.
The noise you hear when accelerating in a Toyota RAV4 is likely due to a gear that is not securely fastened or a cylinder that is damaged.