A drive belt (also can be called accessory drive belt, serpentine belt, alternator belt, or fan belt) is a rubber belt that powers the engines accessories. This always includes the alternator and AC compressor. It also often includes the water pump. Some cars use a timing chain instead of a timing belt.Then, is timing belt and serpentine belt the same?
The serpentine belt and the timing belt are all important parts of an engine. Timing belts synchronize the movement of the crankshaft and the camshaft while the serpentine belt transmits mechanical power which drives the air conditioner, water pump, alternator, etc.
Additionally, what happens to a car when the serpentine belt breaks? A broken serpentine belt leads to a sudden loss of power assist for the steering system, where the steering wheel all-of-a-sudden becomes very hard to turn. A broken serpentine belt stops the water pump from circulating coolant (antifreeze) through the cooling system, and the engine can overheat - anywhere!
Considering this, what are the symptoms of a bad serpentine belt?
If you suspect your serpentine belt is failing, watch out for the following symptoms:
- Squealing noise from the front of the vehicle. If you notice a squealing noise coming from the front of your vehicle, it could be from the serpentine belt.
- Power steering and AC not working.
- Engine overheating.
- Cracks and wear on the belt.
What drives the serpentine belt?
The serpentine belt – is used to drive several components attached to the engine. It drives the alternator that powers the electrical system and recharges the battery. It also drives the power steering pump, the air conditioning compressor, and the water pump.
How many miles do serpentine belts last?
60,000 to 100,000 miles
Can you drive without a serpentine belt?
As you can see, driving without a serpentine belt is not an option, at least not for very long. *Some cars have an electric water pump and/or electric assist steering.How expensive is it to replace a serpentine belt?
Serpentine Belt Replacement Cost It is very inexpensive to replace a serpentine belt. The replacement cost is only going to be between $90 and $200 in most cases. The belt itself will cost between $25 and $75 while the labor costs will probably be between $75 and $120.What are the 3 belts in a car?
Here's a brief discussion of the standard belts in a car and how they work. - Timing Belts. Car engine with timing belt. Also known as a Gilmer belt and camshaft drive belt, the job of a timing belt is to help crankshaft turning the camshaft.
- V-belts. V-belt.
- Serpentine Belts. A serpentine belt.
Can a timing belt last 200 000 miles?
Your owner's manual is a good resource and will indicate the mileage interval recommended for your specific vehicle make and model. Depending on the manufacturer of the vehicle, mileage ranges for recommended timing belt replacement is anywhere from 60,000 miles to 100,000 miles and 6-10 years old.Why is a serpentine belt better than V belt?
Serpentine Belts vs. V-Belts. Serpentine belts are used in new vehicles due to the fact that they are easier to maintain and are less complicated to install. The thicker multi-rib design of the serpentine belt provides a better belt to pulley contact ratio that creates less slippage.How hard is it to replace serpentine belt?
The serpentine belt is relatively easy to replace. There will be a main tensioner pulley that maintains proper tension loading, or tightness, of the belt. The pulley is generally set apart and looks like an idler pulley; the pulley not connected to anything, doesn't drive anything.Does serpentine belt affect air conditioner?
Yes, a worn serpentine belt can slip slightly and generate heat due to which AC stops working. The heat generated by the slipping belt over-heats the air conditioner clutch and can cause it to release. This heat may also permanently damage the clutch.How do I know if I need to replace my serpentine belt?
The symptoms of a loose serpentine belt include a loud squealing noise when the engine is started or when the steering is turned all the way to one side. A serpentine belt that keeps slipping off the pulley is another symptom of a bad tensioner.How long can a car run without serpentine belt?
around 70-90 minutes
What does a bad pulley sound like?
Squealing. 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.Does Jiffy Lube change serpentine belts?
Inspecting your vehicle's belts and hoses and having them replaced before they fail can prevent inconvenient breakdowns and costly repairs. To help, Jiffy Lube offers engine services with serpentine belt replacement that includes the following: A visual inspection of the serpentine belt.Will a new serpentine belt improve performance?
If your old belt was glazed and slipping, then yes. The new belt does not slip therefore everything is turning and generating at full capacity, hence the improvement you see. Not really. All of your accessories(power steering, air-conditioning, etc.)How much does it cost to replace a serpentine belt and tensioner?
The average cost for a drive belt tensioner replacement is between $211 and $239. Labor costs are estimated between $73 and $93 while parts are priced between $138 and $146. Estimate does not include taxes and fees.How long does it take to replace serpentine belt?
All these can take you one and a half an hour or more. For an experienced person, it will only take about 20-minutes, as the only concern will be to understand out how to loosen the tensioner bolt, and if the belt is the right one.Can a bad serpentine belt cause check engine light?
Belts don't usually affect the check engine light, no. The problems are usually with sensors, hoses or failed components, usually affecting emissions levels.Will a car start with a broken serpentine belt?
The short answer is yes, a car can start with a broken serpentine belt. Your serpentine belt is responsible for powering the accessories in your car so if your serpentine belt is broken or disconnected it would not prevent your car from starting. 
