Why does my serpentine belt keep squeaking?
A new squeak or squeal from under the hood could indicate that there is a problem with the serpentine belt. It may mean that the belt is slipping, has become misaligned, or has reached the end of its life.
When does the GM belt Squeak go away?
For the past month or so, the squeaking is back and its getting worse, especially if there is any moisture in the air. After about 10 minutes and the engine getting up to full operating temp, the noise goes away. Its still pretty annoying. From doing some more research it seems like this is a common problem with GMs.
How can I tell if my serpentine belt is slipping?
Belt noises can be diagnosed with a spray bottle of water. With the engine running and the sound audible, lightly mist the grooved side of the belt with water. If the noise disappears or lessens, but then shortly returns, the problem is probably a misaligned pulley. If the noise immediately increases after the belt is misted, the belt is slipping.
What kind of car has serpentine belt problems?
If a belt problem still isn’t solved after doing all of the above, your car may have a specific problem unique to that make and model. Certain vehicles have known serpentine belt problems, such as 1996–2000 Chrysler-built minivans with the 3.0-, 3.3-, and 3.8-liter engines.
For the past month or so, the squeaking is back and its getting worse, especially if there is any moisture in the air. After about 10 minutes and the engine getting up to full operating temp, the noise goes away. Its still pretty annoying. From doing some more research it seems like this is a common problem with GMs.
What causes a serpentine belt to come off?
Belt coming off: Pulley misalignment, belt misalignment on pulley, defective tensioner, or bearing wear in tensioner, idler or driven accessories Belt noise can be hard to isolate, as the sound may seem to be coming from an accessory drive, such as the alternator or air conditioning compressor.
Why does the serpentine belt make a squeaking noise?
Some customers may comment on an accessory drive belt / serpentine belt chirp, squeal or squeak noise from the engine compartment at idle or while driving. This condition may be caused by a misaligned pulley and/or the accessory drive belt creating the noise. Notice: Do not use belt dressing or silicone on the drive belt.
How do you replace a serpentine belt pulley?
Using the breaker bar or serpentine belt tool, move the tensioner arm against the spring as far as it will move, to its stop. The tensioner arm should move smoothly throughout its range of travel, with firm spring pressure and without binding. Most tensioner pulleys can be replaced independently of the tensioner itself.