What causes a serpentine belt to squeal at startup?
Either your serpentine belt is worn out or your tensioner pulley is not doing it’s job (tensioning the serpentine belt). The pulley can wear out over time allowing the belt to slip a little. At startup there is a heavy load placed on your alternator, which causes it to squeal on the belt.
Why does my pulley belt squeal in warm weather?
It can also be checked for tension by pushing down on it. Loose belts are more likely to squeal in warm weather. However, if the belt appears to be tight and in good shape, then the issue may be the internal bearings of the pulley. The same visual and tension check can be performed on the serpentine belt.
How long does cold start squeal noise last?
After the fix at the local garage, the car performed fine and it idles well except for one last detail which is the morning cold start squeal that lasts for 10 seconds.
Why does my car belt squeal when I drive?
when you drive and the pitch correlates with the speed of the car. The dirty belt may be caused by a poor design of the Sable. The especially driving on poor roads. In addition, there is no appropriate shield on the bottom to protect it from grits. Did you replace the belt? I had the same problem with belt noise recently under the same conditions.
When does the belt Squeak in the morning?
Belt squeaks in morning when cold or wet outside but squeak only last for few minutes,if its hot and dry belts are quite. My car has 3117782 miles.
Why does my car belt squeak when I start up?
Squeaks that only occur when there is an early morning dew or heavy fog means there is moisture on the belt. It should disappear as the engine warms up. Cold temperatures will stiffen the rubber in the belt, causing it to make a noise on start-up.
It can also be checked for tension by pushing down on it. Loose belts are more likely to squeal in warm weather. However, if the belt appears to be tight and in good shape, then the issue may be the internal bearings of the pulley. The same visual and tension check can be performed on the serpentine belt.
After the fix at the local garage, the car performed fine and it idles well except for one last detail which is the morning cold start squeal that lasts for 10 seconds.