If excess engine vibration and loud noises are starting to bother you, chances are the crankshaft pulley might be calling it quits. Sadly, these issues won’t disappear until you swap out the faulty pulley.
Want to know how much a new pulley will cost you?
Then, let’s look at the crankshaft pulley replacement cost and a few factors that affect it. We’ll also list out some signs to help you quickly spot a bad pulley.
This Article Contains:
- How Much Does the Crankshaft Pulley Replacement Cost?
- Is It Worth Replacing the Crankshaft Pulley?
- Signs You Need a Crankshaft Pulley Replacement
- How Long Do Crankshaft Pulleys Last?
- Can I Replace the Crankshaft Pulley Myself?
- How to Maintain a Crankshaft Pulley in Your Car?
How Much Does the Crankshaft Pulley Replacement Cost?
Here’s the estimated amount you’ll have to pay to replace a crankshaft pulley:
A. Range
Replacing a failing crankshaft pulley may cost you around $430 and $470. This includes:
- Parts cost: $290 to $300
- Labor cost: $140 to $170
Note: A crankshaft pulley is often interchangeably called a harmonic balancer or damper pulley because they come as integrated units in newer vehicles. But, in cars with performance-oriented engines or specific designs, they’re separate parts. The harmonic balancer helps reduce engine vibration, while the crankshaft pulley drives the serpentine belt.
However, we have mentioned the cost estimates for integrated units here.
B. Factors Affecting Cost
Apart from your location and local auto repair rates, these factors can also affect your total cost:
- Vehicle model: Based on your car model, you’ll need either a double-groove or a 3-groove pulley. The double-groove pulley is usually more expensive.
- Original Equipment Manufacturer (OEM) vs aftermarket parts: OEM damper pulleys are costlier but will last longer than the aftermarket units due to their better quality.
- Additional repairs: In an integrated unit, the bad pulley can affect the harmonic balancer’s ability to absorb engine vibrations. Eventually, these vibrations can harm crucial engine parts like the crankshaft. The worn pulley can also physically damage the serpentine belt, which will cost an additional $150 to $250 to replace.
Is It Worth Replacing the Crankshaft Pulley?
Definitely!
A crankshaft pulley provides power to the drive belt, which drives various engine accessory pulleys, such as the AC compressor, power steering pump, and water pump pulley.
When the damper pulley wears out, the drive belt won’t be able to power the accessory pulleys. Eventually, your car will have cooling issues and steering difficulties. It can also lead to severe engine damage due to excessive vibrations and overheating
So, if you suspect a failing crankshaft pulley is affecting your car, get it replaced ASAP.
Signs You Need a Crankshaft Pulley Replacement
Here are some issues you’ll notice when the crankshaft damper fails:
- Excess vibration
- Non-functioning water pump, alternator, AC compressor
- Knocking sound from the engine
- Loud noises when the car accelerates
- Squealing drive belt sound
- Rough idling
- Deteriorated rod bearings
- Cracked crankshaft
How Long Do Crankshaft Pulleys Last?
Crankshaft pulleys are built to last as long as your car. However, you might need to replace them earlier if they get damaged due to:
- Natural wear and tear
- Coolant and engine oil exposure during a leak
- The cracked rubber ring inside the pulley
Once the crankshaft pulley starts wearing out, it’s best to visit car repair shops or call a mobile mechanic to check the damper pulley.
Can I Replace the Crankshaft Pulley Myself?
No, you shouldn’t.
Based on your car, you’ll have to handle critical engine parts, disconnect the car battery, and remove the drive belt.
Moreover, you’ll need a torque wrench to remove each pulley bolt and a harmonic balancer puller to detach the balancer from the pulley. So, if you don’t have access to the tools or technical knowledge, it’s best to get a seasoned mechanic.
How to Maintain a Crankshaft Pulley in Your Car?
Some measures you can take to prevent crankshaft pulley damage are:
- Get the drive belt tension checked every 60,000 to 100,000 miles to ensure it’s tight enough to spin the connected engine pulleys.
- Check for excessive engine vibration while checking the belt tension to identify a malfunctioning integrated harmonic balancer.
- Repair or replace the crankshaft pulley if you notice any signs of it failing.
- Schedule crankshaft system checks during regular car maintenance service.
Keep the Crankshaft Pulley Spinning with AutoNation Mobile Service
A functioning crankshaft damper pulley primarily powers the serpentine belt while also keeping your engine vibrations in check. But if it wears out, essential parts like the alternator and crankshaft can fail.
Unsure if your crankshaft pulley is malfunctioning?
That’s okay! Mechanics from AutoNation Mobile Service can check and fix the pulley right from your driveway.
We’re a mobile auto repair solution that offers online bookings and a 12-month | 12,000-mile warranty on all services, including oil pump, fuel filter, and idler pulley repair.
Contact us to book a crankshaft pulley replacement or any other car maintenance service.