What is a Timing Belt?

Although the timing belt has a critical function as part of the engine, it is contained within its own housing. The camshaft and crankshaft are able to precisely open and close the valves of the engine because of the timing belt. The teeth on the belt connect with those on each shaft’s sprockets to create the motion. Fuel and air enter the cylinders while the gases are released through the valves.

Vehicles had timing chains until the 1980s when belts replaced them. They are a lighter and more fuel-efficient alternative. It’s recommended to follow the manufacturer’s guidelines on maintenance, but as a general rule, belts usually need replacing about every 60,000 miles. It can be very costly if the belt breaks while your vehicle is running.

A rough idle or backfire is a typical sign that the belt should be replaced. Stop by our service center at Crosstown Motors when you’re in the Littleton area. We will be happy to talk with you.

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