A serpentine belt must be constantly tensioned to prevent it from coming off. The belt can come off if the alignment is not aligned. It is possible that the tensioner is out of alignment and not applying enough tension to the belt. You should have a mechanic check the tensioner and replace it if necessary. If there is a loose idler pulley or an
A belt can be too tight. A squeal usually indicates that it is loose. There shouldn't be much play in the belt when properly adjusted. The tension isn't really measurable though. dotisdot • 17 min. ago. is there a way for me to check if the belt is on too tight. MechaBeatsInTrash • 2 min. ago. Listen for pulleys that growl.
You can achieve this by placing a ruler on one stretch (preferably the longest one) of the serpentine belt. Push down the belt and observe how far it will go. Under ordinary circumstances, your belt should not exceed a ½ of an inch once pressed down. If you can press the belt and it goes down beyond this, it means the belt is loose and needs Learn why serpentine belt tension is important for optimal performance and longevity, and how to check and adjust it with a tension gauge or a ruler. Find out the sweet spot between "too tight" and "too loose" for your vehicle, belt, and accessories. Most late-model engines have serpentine belt drives for the engine-driven accessories. And, most people know that belts are a maintenance item and eventually have to be replaced. However, many don't know the spring-loaded automatic tensioner that keeps a serpentine belt tight is also a wear item. Consequently, the automatic tensioner may also have to be replaced when the time comes to change Step 1: Park your vehicle and turn off the engine. Step 2: Open the hood and locate the serpentine belt. The belt will be on the front of the engine. Tip: Take a picture of the serpentine belt routing with your cell phone. This will make it easier to reinstall the belt if you do not have a diagram of its routing.
If you find that you can’t tighten the serpentine belt or becomes loose very quickly, it could mean you need to replace the tensioner and the belt. Check the Serpentine Belt and Pulley Alignment. Pulley and serpentine belt alignment work in tandem. If the pulley is aligned, the serpentine belt will be aligned as well.
Step 2: Loosen tension and remove belt. The tensioner pulley is spring loaded to provide automatic tensioning to the serpentine belt. Most serpentine belt systems use an automatic spring tensioner, while others use a manual adjusting tensioner. The serpentine belt on a Jeep TJ can be replaced by following these steps: 1. Remove the old belt by loosening the tensioner pulley and sliding the belt off. 2. Clean the pulley surfaces and install the new belt. 3. Route the new belt around all the pulleys except the tensioner pulley. 4. FEHHrQ.
