It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started. The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. Grinding or squeaking noise from the belts or tensioner Usually a bad or failing tensioner will produce a few symptoms that can alert the driver of a potential problem that should be serviced. When the tensioner has an issue, it can affect the how the belts drive the pulleys which can affect the performance and functionality of the vehicle. Both are used to keep tension on the engine serpentine belts so that they can drive the various engine accessories. Spring tensioners are designed to tension automatically while the pivot design types can be adjusted manually. Finally, run the new belt through the pulleys (in the correct route) and increase the tension on the belt.A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts.Once done, remove the belt from the pulley.If your car uses an alternator bracket, loosen its bolts. To do so, use a wrench to loosen the auto tensioner. Next, remove the tension on the serpentine belt.If there’s damage, look for the serpentine belt routing map, which you can find on a decal in most engine bays.Check if any other parts are rubbing against the belt and fix it. Then, inspect the belt visually for any cracks or damages.Based on your engine type, you may find the belt at the front of the engine or on the sides. Disconnect the battery and locate the serpentine belt.Press the hood release to open your car’s hood and access the serpentine belt.That being said, here’s an overview of a serpentine belt replacement. Since a serpentine belt is a vital car component that affects your vehicle’s driving performance, it’s best to leave it to a certified mechanic. However, you should inspect the belt regularly and get it replaced during routine maintenance, even if it doesn’t show any visible wear and tear. Ideally, your car’s serpentine belt should last for about 60000 – 100000 miles. How Often Should You Change The Serpentine Belt? Defective bearings in any belt accessories like tensioner, idler, etcģ.Here are a few causes why your serpentine belt needs replacement: Even the smallest malfunction can damage major car parts, affecting your car’s drivability. While having a single belt for all parts is efficient, it’s also why you should replace the serpentine belt ASAP if you spot any issue. In older vehicles, these parts have separate belts to deliver power. It basically transports power from the crankshaft to important engine components like the alternator, power steering pump, air conditioning compressor, and water pump. What Is A Serpentine Belt?Ī serpentine belt is a flat rubber belt that’s ribbed on one side and smooth on the other. ![]() Let’s go over some queries based on the serpentine belt and their answers: 1. If ignored, it may cause engine breakdown and other serious damages. Overheating engine: A bad serpentine belt can cause difficulty turning the water pump, leading to engine overheating.You may also find that there isn’t any cold air escaping from the vent. Air conditioner won’t work: If the air conditioning system stops working and you hear strange noises, a bad serpentine belt may be the culprit.As a result, it may be difficult to drive your car, especially at low speeds. Power steering stops working: A loose or bad serpentine belt may fail to turn the power steering pump, leading to a loss of power.An old belt will likely exhibit cracking, fraying, or glazing, indicating imminent belt failure. Noticeable belt wear: You can pop open your hood and check the serpentine’s physical condition.This is most common on cold mornings when your car is warming up. Squealing sounds: If the serpentine belt slips or isn’t aligned correctly, strange noises may come from the front of your car.Here are some signs of a bad serpentine belt: What Signs Indicate A Bad Serpentine Belt?
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