What are the symptoms of a bad idler pulley?
Without a belt, the engine will stall and overheat, and a squealing noise from the engine belt can be a tell-tale sign. As the pulley wears, the engine belt will squeal as it rubs against the surface of the pulley, and the problem will worsen over time.
How do I remove the idler tensioner pulley?
Idler Pulley Replacement in 7 Easy Steps
- Remove the drive belt by loosening the tension adjustment bolt with a socket wrench.
- Remove the retaining bolt to release the idler pulley.
- Check your old idler pulley with your new pulley to make sure you have the correct replacement.
What does it sound like when an idler pulley goes bad?
Squealing. When the engine is idling, a bad pulley may make a squealing sound, which is caused by the pulley’s bearings failing. The bearings may also make other sounds, such as clattering or even a rumbling sound, making the vehicle sound as if there is much more wrong with it than just a bad pulley.
Is it easy to replace an idler pulley?
Failure of this pulley can result in a loose or dropped drive belt, noises from failed bearings, and or a damaged drive belt. With the right tools, replacing this part can be done in a short amount of time.
Is it hard to replace idler pulley?
If the idler pulley stops working properly and you continue to drive, the belt will almost certainly be damaged. Fortunately, with the right tools and instructions, DIYers can replace the idler pulley.
Can I drive with a bad idler pulley?
Driving with a bad belt tensioner is dangerous because the tensioner is supposed to ensure enough tension to power accessories; however, wear on the belt tensioner will eventually cause the belt to slip, make a loud noise, and generate an unsafe amount of heat along the accessory pulleys.
How often should you replace the idler pulley?
Idler pulley replacement intervals vary, but are typically in the 50,000 to 100,000 mile range, and often coincide with serpentine/accessory belt replacement intervals.
How much does it cost to replace idler pulley?
The average cost of replacing a drive belt idler pulley is between $64 and $81 for labor and $79 to $83 for parts. Taxes and fees are not included in the estimate.
How long does it take to replace a tensioner pulley?
What Is Tensioner Pulley Replacement? Replacing the tensioner pulley should take no more than an hour or two, and the parts will vary in price depending on the car.
What does a bad power steering pulley sound like?
A rattling sound can be caused by a loose rack, a loose serpentine belt, or idler pulley bearings beginning to fail.
What does it sound like when a serpentine belt goes bad?
A bad or failing serpentine belt is one of the most common causes of a squealing engine. Belt squeaking is especially noticeable when accelerating, starting, or making a U-turn. The noise is loud and sounds like a squeal, loud chirp, or squeak.
Why is my crankshaft pulley wobbling?
The crankshaft pulley may wobble if the fan-belt pulleys bolted to the harmonic balancer are dismounted, bent, or distorted, and dirt may get trapped under the pulley. The crankshaft pulley also tends to wobble if it isn’t properly torqued.