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What Does a Serpentine Belt Do? The serpentine belt plays an essential role in running your car’s systems, explains TheDrive.com. It powers the alternator, the power steering pump, the air conditioning compressor and, in some vehicles, the water pump. The serpentine belt rotates constantly when the car is running.
What are the symptoms of a bad serpentine belt?
Bad Serpentine Belts Cause Vehicle Performance Issues Flickering lights on start up. Failure to start. Dimmed headlights. Continuously illuminated amperage light.
Can I drive my car if the serpentine belt is broken?
Can I Continue Driving My Car If the Serpentine Belt Is Broken? Technically, yes, you can continue driving your car, but not for long. For instance, without power steering, you’re likely to get exhausted very quickly from driving.
Can a car run without a serpentine belt?
The short answer is yes, your car will start even if the serpentine belt is broken or missing. To get the car going, the battery sends power to your starter motor. However, you do need your serpentine belt if you want the car to run for longer than a few minutes.
Can you drive with a serpentine belt?
There are a couple of factors influencing the answer to this question, but on average, your car should be able to run between 20-90 minutes with a broken serpentine belt. The engine will overheat faster without a functioning cooling system on a hot day, so your driving window is less.
What is the average cost to replace a serpentine belt?
A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you’re looking at around $100 to $195 to replace your serpentine belt.
What does a worn serpentine belt sound like?
Although there are a few causes of a squealing engine, one of the most common is a bad or failing serpentine belt. Belt squeaking is also especially pronounced when accelerating, on startup, and when making a U-turn. The noise is loud and sounds like a squeal, loud chirp, or squeak.
What happens if belt breaks while driving?
When the timing belt breaks, the crankshaft will continue to spin at 1000 rotations per minute, while the camshaft will stop turning. As a result, the pistons will continue to rise and fall in their cylinders, but they will strike closed valves.
What causes a belt to break on a car?
Serpentine belts can fail in a few different ways. This is usually the result of a belt in poor condition, or a problem with one of the accessory components being driven by the belt. A failed bearing in a pulley being driven by the serpentine belt will also cause the belt to break.
How long does it take to fix a serpentine belt?
It can take anything from 15 minutes to an hour (two at the most) to repair or replace a bad serpentine belt with a new belt.
Does the serpentine belt affect the transmission?
A Broken Serpentine Belt Could Ruin the Transmission Almost as soon as your car’s serpentine belt breaks, the engine will begin to overheat. Without the belt running, the water pump won’t be able to adequately cool your engine. When the engine overheats, your transmission may be damaged.
When should I replace my serpentine belt?
How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles.
What happens if serpentine belt fails?
If a serpentine belt breaks, a car won’t be drivable and will have to be towed. If the engine runs without a serpentine belt, it might overheat as the water pump will no longer work. A broken belt can also damage other parts. If a car has a hydraulic power steering pump, the steering will become stiff.
What can cause a serpentine belt to shred?
Tom: Another possibility is a bad idler pulley or tensioner pulley. Those are sort of “dummy” pulleys that are used to alter the direction of the belt. If a bearing goes bad on one of those pulleys, it tends to tilt, and that could cause the belt to shred.
Is a timing belt the same as a serpentine belt?
Timing Belt. Don’t get confused—a serpentine belt is not the same thing as a timing belt. The timing belt is located inside the engine and keeps the crankshaft and camshaft in sync. This ensures that the engine intake and exhaust valves open and close in time with the pistons so the engine runs smoothly.
How long can you drive with a squeaky serpentine belt?
Normally you could expect to keep the engine running for an hour or two if the battery is healthy. More importance should be attached to whether the serpentine belt drives the water pump as well, which it usually does. If this is the case, then the engine will overheat very quickly, within a minute or two.
Are belts expensive to replace?
Of course, it depends on your make and model as well as labor costs, but in general a replacement serpentine belt costs around $70-$200 (plus taxes and fees), including around $50 for the belt and around $150 for the labor.
