What to do if the alternator belt whistles?
Alternator belt whistling is a common problem experienced by many car owners. Let’s talk in more detail about whether it is necessary to immediately change the belt when such an unpleasant sound appears under the hood, or whether you can fix the existing faults yourself, saving on calling the service and buying new spare parts and http://scrap4cash.com/.
Does whistling always mean belt wear?
On specialized forums on the Internet or in private conversations with mechanics, you can hear that the appearance of such a whistle is always a sign of wear and it is necessary to change the belt. However, in some situations, such a whistle can appear in conditions of high humidity, as well as in cases where the craftsmen have incorrectly installed a new alternator belt, which is not tensioned by the pressure rollers.
If such a whistle appears on your car constantly, then you need to perform diagnostics, and only then go to the store for new spare parts. Often, such problems are noted in cases where car owners, in order to save money, either do not change the generator drive at all, waiting for it to completely fail, or acquire not very high-quality Chinese spare parts that wear out quickly, such an unpleasant whistle appears, after which they need to be replaced …
Causes of the whistling belt
An unpleasant whistle of the alternator belt can appear for various reasons. These reasons include the following:
1) loosening the belt tension;
2) delamination of the fabric base or rubber surface;
3) wear of the generator bushing;
4) wear of the belt drive mechanism;
5) contact with oil, antifreeze and other liquid on the belt.
Such an unpleasant squeak of the alternator belt can be constant or only occur on a cold car. In conditions of high humidity, even a serviceable alternator belt can whistle, which is explained by its design features and minimal stretching. And yet, you can advise the car owner, as soon as the characteristic squeak of the alternator belt appeared, immediately contact the service and carry out diagnostics with the car repair.
What threatens the squeak of the alternator belt
The appearance of a characteristic squeak of the generator belt indicates its wear or malfunctions of the generator and belt drive. A constant or temporary squeak can lead to the following serious consequences:
1) overheating of the engine and the need for overhaul;
2) critical destruction of the generator, after which its replacement is required;
3) the battery does not receive a charge from the generator and begins to discharge quickly;
4) there are difficulties with starting a car with a weak battery;
5) possible breakdowns of the gas distribution system and other engine components;
6) the probability of a belt drive breakage increases significantly.
What to do when the belt whistles
Most often, it is advised to replace the whistling belt of the generator, at the same time change the rollers and clean the pulleys. In some cases, the existing problem can be solved by adjusting the tension at the belt drive. Often, simultaneously with the belt, the generator begins to wear out, in such a case it is necessary to dismantle it, sort it out and eliminate the existing faults.
Let’s sum up
Generator whistling is a common problem that all car owners have encountered in one way or another. There can be many reasons for the appearance of such a whistle, first of all, it is the wear of the drive, which requires replacement. You should not hesitate with such a repair, since in such a case, not only the risk of critical engine breakdowns increases, but also the battery sits down, which will also need to be replaced soon.