Timing chains last longer than belts, but if they do fail, are likely to cause far more damage to your engine than a damaged timing belt. A timing belt is a rubber belt that is held similarly by pulleys held by tensioners which are held in place using your engine’s water pump. These need to be replaced roughly every 60,000-100,00 miles.
If you have an older model Lexus that still uses a timing belt the cost of getting it replaced is going to be anywhere between $600 and about $1,000. Timing belt repairs are not cheap on any vehicle however, so this is not too far outside of the normal range that you might expect to pay for a timing belt repair.Step 1: Locate the crankshaft pulley. With the engine off, open the hood and locate the crankshaft pulley. There will be a mark on the crankshaft pulley along with degree mark (s) on the timing cover. Tip: These marks can be observed while the engine is running by illuminating this area with the timing light to check and adjust ignition timing.
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The timing belt is a simple strip of rubber and metal that makes sure that the engine's key moving parts are choreographed to millisecond accuracy. Without your cambelt, metal is likely to smash into other bits of metal, valves will bend, connecting rods will distort and flex, cams will grind and graunch… and when the noise dies down and the
Timing belts are belts made of rubber that snake through a series of pulleys and have mechanical or self-contained hydraulic timing tensioners to keep the proper tension. They connect to the crankshaft and camshaft and are part of the system that keeps the engine timed. Way back in the mid-1960s, Pontiac came out with an overhead cam, straightTiming chains are built to last the lifetime of the car. There are two main differences between a timing belt and a timing chain. For starters, a timing belt is made of rubber, whereas a timing belt is a metal chain. But more significantly, a timing chain is meant to last the lifetime of the car.A timing chain does the exact same job as the timing belt but is a metallic roller chain. It is designed to have an extremely long lifespan and may never require replacement. However, as with a timing belt or any moving part, it can break or be damaged. By Brian Jones Updated: February 12, 2023 Most modern cars either have a timing chain or a timing belt under the hood. Both are used to connect the crankshaft to the camshaft and ensure the perfect timing for your internal combustion engine. But, which one is better and what are the differences between the timing chain vs. timing belt? .