What to do if your idler pulley comes off?
What to do if your idler pulley comes off?
When checking the idler pulley, you will need to look for signs of damage on both the pulley and the bearing that is in the middle of it. In some cases, the covering on the idler pulley bearing will come off and let all of the lubrication out.
Why does my idler pulley squeal when I Turn on the engine?
Another common symptom of a possible issue with the idler pulley is squealing from the engine belts. If the surface of the idler pulley wears, or the pulley seizes or binds it may cause the engine belt to squeal as a result of it rubbing against the surface of the pulley.
How can you tell if a pulley has gone bad?
Watching the belt as it travels over the pulleys will also determine if a pulley has gone bad. The hardware in the pulley may have deteriorated or the hole in the middle of the pulley may have gotten bigger allowing the pulley to wobble or not move smoothly. The pulley may work loose or keep pushing the belt off the pulley.
What are the symptoms of an idler pulley problem?
One of the first symptoms of an issue with an idler pulley is visible wear on the pulley. Over time, as the pulley spins against the belt, both components will eventually start to wear. This may lead to visible scoring marks on the surface of the pulley, as a result of contact with the belt.
Another common symptom of a possible issue with the idler pulley is squealing from the engine belts. If the surface of the idler pulley wears, or the pulley seizes or binds it may cause the engine belt to squeal as a result of it rubbing against the surface of the pulley.
Can a car run without an idler pulley?
An engine without a belt can quickly run into issues such as overheating and stalling, as it’s the drive belt that allows the engine accessories to function. Idler pulleys are a common component found on the majority of road going vehicles that will eventually require replacement, especially in high mileage vehicles.
