Is the idler pulley supposed to spin?
Hear this out loudPauseThe old idler pulley spins freely while bolted to engine. The new idler pulley seems extremely tight when it’s bolted to the engine. It definitely will not spin freely.
How can you tell if your idler pulley is bad?
We said that the idler pulley should be able to route the engine drive belt in its correct loop. That is why if you look at the engine belt while the engine is running at idle, it should move smoothly along the system. If you notice that it is somehow wobbling or moving from side to side, then you’ve got a really bad idler pulley.
What causes the pulley on an idler to rotate?
The idler pulley consists of a pulley with grooves from one end to the other. The belts are placed along the grooves on the pulley. When power is supplied to the crankshaft, it rotates the tension pulley, which causes the belts to rotate.
What’s the difference between a flat belt and idler pulley?
As the name implies, a flat belt is one that has a relatively flat surface on the entire length of the belt. The pulley prevents this belt from ever slipping out of its position. The idler pulley may have a smooth outer wall, but the edges typically have retainers while some may have a middle groove to keep the drive belt in place.
Why do I need an idler tensioner pulley?
The idler tensioner pulley guides all of the drive belts. It is needed to route the belts around all of the accessories. With an idler pulley, the belts are aligned properly for a smooth rotation, ensuring that the function of your vehicle operates as it should.
How does an idler pulley keep the engine in place?
The pulley prevents this belt from ever slipping out of its position. The idler pulley may have a smooth outer wall, but the edges typically have retainers while some may have a middle groove to keep the drive belt in place. We know that an idler pulley rotates on its own shaft, moving the engine drive belt along its route.
What are the symptoms of a bad idler pulley?
The idler pulley may have a smooth outer wall, but the edges typically have retainers while some may have a middle groove to keep the drive belt in place. We know that an idler pulley rotates on its own shaft, moving the engine drive belt along its route. As such a bad or failing idler pulley can give you the following symptoms.
Where to buy idler pulley for Jeep Wrangler?
Shop AutoZone for Jeep Wrangler Idler Pulley. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only
Where do you put the timing belt on a jeep?
Install the timing belt. Starting at the crankshaft, go around the water pump sprocket, idler pulley and camshaft sprockets and then around the tensioner. 4. Move the exhaust camshaft sprocket counterclockwise to align the marks and to take up belt slack.