Does the 2013 Lexus GS 350 use a timing belt or timing chain for its engine?

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Tim R. Feb 10, 2021

The 2013 Lexus GS350 comes with a timing chain instead of a timing belt. While most belts typically need to be replaced every 60,000-100,000 miles, the GS350's timing chain is built to last the lifetime of the vehicle without the need for maintenance. Chains, being made of metal, are more durable than belts and don't experience issues like cracking or drying out. They can also help improve fuel efficiency. Chains are better protected as they operate from inside the engine rather than externally, and they stay lubricated. However, there is a possibility of chains breaking or tensioners stretching, which could negatively impact the engine. If you notice metal shavings in the oil, engine misfires, or hear a rattling noise while idling, it is advised to have a mechanic inspect the timing chain.

Does the 2013 Lexus GS 350 use a timing belt or timing chain for its engine?

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