Until the spinning of the belt becomes smooth, readjust and tighten the screws on the tensioner pulley. The tension in the serpentine belt is the main factor responsible for its operation. In case you miss to get the right tension on the belt, it is sure to produce noise while in function.
If ignored, the looseness will cause the belt to dislodge, and extra tension will lead to exertion and excess wear of belt. In both, the situations and performance of the belt and the devices driven by it, is sure to hinder and will lead to cause the vehicle to lose its efficiency eventually. Given all the above details, it would be wise to pay attention to the general condition of the serpentine belt within the time period stipulated in the manufacturer's manual.
The tension factor to be looked after frequently, there will be its tightness only, which can get disturbed with the daily strain exerted over the belt and need the corrections. Rest assured, the life and quality of the belt sustain for a longer period of time. Keep the maintenance of the serpentine belt in your vehicle in check and enjoy your time on the road to the fullest. Few Best Serpentine Belt Brands Best Overall.
Check Price. Best Value. Honorable Mention. The over tightness may also cause premature failure of the bearings and other connected devices. A Measure of Tightness or Tension If the tension in the serpentine belt is not right, it will start producing squeaky noise.
How to Tighten a Serpentine Belt? If there is not enough tension, a belt can slip, squeal or run hot. Worst-case scenario: a loose belt may come off of its pulleys. Quick fact: If your serpentine belt is loose , you may have other mechanical problems like under-performing water pump, which can cause the engine to overheat. If you suspect your serpentine belt is failing, watch out for the following symptoms: Squealing noise from the front of the vehicle.
If you notice a squealing noise coming from the front of your vehicle, it could be from the serpentine belt. Power steering and AC not working. Engine overheating. Cracks and wear on the belt. If twisted more, the belt is loose, and if twisted less, the belt is too tight. When should I replace my belt tensioner? It should be noted that the drive belt itself will most likely need replacing before the tensioner does.
Drive belts typically last anywhere between 40, and 70, miles. There aren't a lot of warning signs that a drive belt tensioner has hit the end of its lifespan, in fact there is really only one. If the serpentine belt is loose, the belt grooves may begin to melt and glaze over. Glazing is easy to spot, as it will look shinier than the rest of the rubber the belt is made of. Glazing occurs as the belt passes over pulleys without placing enough tension on them to actually make them turn with the belt.
Glazing may occur in conjunction with cracking as described in the step above. Method 3. Inspect the belt for damage. If the belt needs to be replaced, you may not desire to check the belt for the correct level of tension because it will need to be removed and replaced anyway. It is not recommended that you operate a vehicle with a damaged, loose, or severely worn serpentine belt.
Read the instructions on your tension gauge. There are a number of different kinds of tensioner gauges you may choose. Some are vehicle specific, while others are not even specific to vehicles at all, but they all serve the same general purpose: determining the amount of force the belt can withstand before it begins to move. Some tension gauges work my pushing on the belt, while others work by pulling on it.
Your specific tension gauge will provide instructions as to how best to use it to get the best reading. Press or pull the gauge into the belt at the midsection in the largest gap between pulleys.
Instead, find the portion of the belt that is stretched the furthest between two pulleys and use the gauge there. Slow steady pressure when pushing or pulling is the best way to get an accurate reading from your gauge. Compare the number provided by your gauge to the vehicles specifications. If your vehicle has one and the belt is too loose, the pulley itself may need to be replaced. Other vehicles may allow you to adjust the tension on the belt by loosening the alternator bolts and adjusting its positioning.
Include your email address to get a message when this question is answered. Related wikiHows How to. These tensions are illustrated as follows: Tight side tension plus slack side tension is equal to to total tension TT. If your serpentine belt is failing, you may notice performance issues with your vehicle. The vehicle may frequently overheat. Your air conditioning or power steering may fail to work or not work properly.
You may notice your vehicle battery failing to recharge if the alternator is affected by a bad serpentine belt. Misadjusted or worn out timing belt and other belts just as the serpentine belt can cause engine vibrations.
If these belts have become loose or worn out then they can also cause other parts of your engine such as fans to not operate properly — resulting in strange noises and shaking. The serpentine belt and timing belt have very different functions in your vehicle. The timing belt is located inside the engine and keeps the crankshaft and camshaft in sync.
A broken serpentine belt will immediately lead to a loss of power assist for the steering system. A broken serpentine belt will stop the water pump from circulating antifreeze through the cooling system.
This ultimately means that once the serpentine belt breaks the engine can overheat anytime or anywhere. Symptoms of a broken serpentine belt include loud slapping, squealing or knocking noises coming from under the hood. The battery-shaped charging system warning light might also come on because the alternator will stop charging the battery.
If a car has a hydraulic power steering pump, the steering will become stiff. If your idler pulley is worn and the grooves do not hold the belt firmly, you will hear a squeaking noise from the engine.
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