![]() ![]() Generally, around the 80,000 mile mark it is prudent to get a mechanic to replace your timing belt to ensure that the engine continues to run efficiently. As a general rule of thumb, you should plan on replacing the belt every 60,000 to 90,000 miles, or at least have it checked.įor this reason, your manufacturer will have recommendations as to how often your timing belt should be replaced. The last thing you want is to have to rebuild your engine. A timing belt problem should never be ignored, so watch for signs that there could be something wrong. If your vehicle’s timing belt starts to get worn out, it may create a ticking noise inside the engine and indicate low oil pressure or other lubricants. Timing belt noise can be a red flag – it usually sounds like squeaking in the belt, or rattling if you have a timing chain. ![]() It throws the valve timing off, and you can end up with bent valves, bent piston rods, or completely destroyed pistons. A bad timing belt can cause the camshaft and crankshaft to be out of synchronization, and this can be catastrophic for the car’s engine. While all this is going on, the timing belt works to turn the camshaft pulley (some vehicles have two camshaft pulleys) in conjunction with the crankshaft pulley. The exhaust stroke: The exhaust valve opens, allowing excess fuel and air to leave the engine. The combustion stroke: The piston moves down, allowing the spark plug to ignite the fuel and air mixture, delivering power to the vehicle. The compression stroke: The piston moves up and compresses the fuel and air mixture. At this stage, the exhaust valve remains closed. The intake stroke: The piston moves downward, and the intake valve opens to allow the mixture of air and fuel to enter the cylinder. In the four-stroke engine, there are four strokes, or phases. If you have timing belt problems, your mechanic can identify the trouble and will probably recommend that it be replaced. The belt also regulates the power steering and the water pump. If your valve timing is off, your engine won’t run properly. ![]() Some vehicles have a timing chain instead of a belt, but it serves the same purpose. The timing belt is a belt made of rubber that keeps your camshaft and your crankshaft synchronized so that your valve timing is always right. ![]()
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