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. Tensioner pulley.
How much does a 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. These prices do not include added taxes and fees charged by the auto shop.
Can you replace just the pulley on a tensioner?
More often than not, just the pulley goes bad on the tensioner, not the whole tensioner, and for most vehicles, you can purchase and replace the pulley instead of the tensioner itself. The pulley should be replaced if it has a lot of resistance when you spin it.
Can you drive with a broken tensioner pulley?
Driving with a bad belt tensioner is unsafe since the tensioner is meant to guarantee ample tension that powers accessories. Wear on the belt tensioner will eventually cause the belt to slip, generate loud noise, and also create an unsafe level of heat along the accessory pulleys.
Should I replace idler pulley and tensioner?
Alternatively, idlers spin with the overarching aim of moving belts to specific positions. However, if bearings fail, tensioner and idler pulleys both require replacement. If there is any odd noise such as a grinding or squealing sound or if either piece wobbles, it is a sign that replacement will be necessary.
How can you tell if your belt tensioner is bad?
One of the most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.
How much does it cost to replace a pulley and belt?
The average cost for drive belt idler pulley replacement is between $132 and $157. Labor costs are estimated between $63 and $80 while parts are priced between $69 and $77. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
How many tensioners are there?
There are three main types of belt tensioners found in the replacement auto parts market. Each one works a little differently, but all ensure that your alternator and auxiliary pumps receive the power needed to keep your car or truck moving.
Should you replace tensioner with serpentine belt?
Tensioners add pressure from an adjustable pivot point or spring mechanism to keep your serpentine belt taut as it circulates around the engine. There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does.
What does tensioner noise sound like?
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. Symptom 2: Knocking or slapping. This can cause a slapping or knocking noise.
How do you know if your 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 worn serpentine belt sound like?
Symptoms of a broken serpentine belt include loud slapping, squealing or knocking noises coming from under the hood. The battery-shaped charging system warning light might also come on because the alternator will stop charging the battery. If a car has a hydraulic power steering pump, the steering will become stiff.
Does a idler pulley make noise?
The sound comes from the rubbing of the serpentine belt against the pulley surface. In extreme cases, when the engine is started, the pulse may slip out of its way, or it may become trapped and the belt produces a loud noise.
