Posted on 12/28/2018. The idler pulley is a common part that’s found on the majority of the vehicles on the road. Its primary function is to provide tension and guide the engine drive belt. These belts wrap around the various parts of the engine such as the power steering pump, alternator, water pump etc
How much does it cost to replace a pulley on a car?
The total price to replace an idler pulley can range between $80 and $200. This range includes the cost of the new part as well as the cost of labor. Typically, the auto parts cost ranges from $40 to $90, and the labor costs about $40 to $110. Moreover, the cost also depends on the vehicle model and parts needed.
Can I drive with a broken pulley?
So, how long can you drive with a bad idler pulley? The safety recommendation is not to drive the car at all and take it to a mechanic immediately. You should be concerned if the vehicle makes squeaking or rattling noises. The car can still run for months or break after a few days.
How do I know if my car pulley is bad?
With that being said, here are a few of the most common symptoms you can use to determine the condition of your timing belt pulleys.
Shaky, or Otherwise Incumbered Belt Motion. Visible Wear On Your Pulleys. Belt “Squealing” or “Whining” Noises. Knocking or Slapping Noises. Damaged Bearings or Pulleys.
What does a loose pulley sound like?
When the engine is idling, a bad pulley may make a squealing sound. This is due to the bearings in the pulley going bad. The bearings may also make various other sounds such as clattering or even a rumbling sound, making the vehicle sound as if there was much more wrong than a bad pulley.
How much does it cost to replace idler pulley?
Idler Pulley Replacement Cost
The cost to replace the idler pulley of your driver belt will usually be somewhere between $80 and $200. The cost for the new part should only be anywhere from $40 to $90, while the cost of the labor will be anywhere from $40 to $110.
What causes a pulley to break?
Improper Tension
If a belt is not tensioned properly, it will ride too loose or too tight on the pulley. A belt that’s too loose on a pulley will cause slippage, which leads to heat build up from friction. This heat will damage your rubber belts and cause the belts to crack and break.
How long does it take to replace a pulley?
If you are doing the job at home, give yourself about four hours to change all the parts. You will need the following tools and parts: Replacement idler pulley.
How much does it cost to replace a pulley and serpentine belt?
The average cost for a drive belt tensioner replacement is between $211 and $239. Labor costs are between $73 and $93, while parts are priced between $138 and $146. Taxes and fees are not included in the estimate.
What happens when idler pulley goes bad?
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. In some instances a bad pulley may bind or slip and cause the belt to squeal when the engine is first started.
What happens if tensioner pulley breaks?
When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise.
Can a pulley make a whining noise?
Damaged or worn pulley bearings may cause a whining noise as the pulleys spin. In cases like these, it’s generally best to replace the pulley or pulleys entirely.
Why is my car making a whining noise when accelerating?
While the transmission is the most likely cause, whining while accelerating can also be caused by low power steering fluid or more serious damage like faulty alternator bearings, a malfunctioning water pump, a broken piston or a bad AC compressor.
Why is there a squeaking sound when I accelerate?
You hear a high-pitched squeal when accelerating: If you notice a loud squeal when accelerating, especially if your car is just warming up, it could be that you have a loose or worn fan belt. Usually if your fan belts are worn, it could mean your timing belt needs replaced as well.
Where are pulleys used in cars?
pulleys, sometimes called serpentine belts. These pulleys work in engines by steering and driving a belt attached to the front of the vehicle. A belt like this helps power engine compartment products like conditioners, engines and power steering systems.
How many pulleys are in a car?
Modern vehicles usually have more than one belt and pulley. However, older vehicles have perhaps one. Modern manufacturers would rather replace your belts only once every 50 miles, or the belt will break, which will result in your engine going out of control.
What is the alternator pulley?
The alternator pulley allows the V-shape or serpentine belt to spin the alternator and is driven by the engine’s accessory drive system. Commonly made from stamped steel or cast aluminum, alternator pulleys are available in two types. One type is grooved for use with a V-type fan belt.
How much is a crankshaft pulley?
The crankshaft pulley replacement cost is between $350 and $400, depending on the car model and labor costs. You could spend $200 to $240 for a new crankshaft pulley, plus about $150 for labor. If you purchase an aftermarket crankshaft pulley, you could save yourself a little money.
