Vehicle Questions and Answers
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Your 2003 Toyota Corolla with a 4-cylinder engine is equipped with a timing chain instead of a belt. Toyota made the switch to using a chain in this model in 1998 and has continued to do so ever since. This change may be reassuring for those who have had negative experiences with belts in the past and prefer not to deal with their maintenance. Belts are effective, but timing chains are designed to be more long-lasting and robust. By staying on top of regular vehicle upkeep and driving responsibly, you can anticipate the chain lasting for the lifespan of your engine.
In the engine of a 2003 Toyota Corolla, there is a timing chain.
A timing chain is typically more durable compared to a timing belt.