The timing belt is essential to the proper running of your vehicle. If your timing belt breaks, your vehicle won't run at all. The Toyota timing belt synchronizes the camshafts with the crankshaft, ensuring proper valve timing. Improper valve timing can result in poor performance, poor fuel economy, and in severe cases, engine damage. Some symptoms of a worn timing belt include rough idling, rough acceleration, loss of power, backfiring, and generally poor performance that does not respond to other maintenance procedures, especially those specifically relating to the fuel system or combustion system.
While the recommended inspection and replacement schedule for the Toyota timing belt is recommended; it is a safe bet to start paying attention around the 60,000-mile mark, sooner if your vehicle is regularly used in more challenging driving circumstances.
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