When Should Serpentine Belt Be Replaced?

What does a bad 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..

Why would a serpentine belt break?

Serpentine belt problems usually result from one of three causes: a defective belt tensioner; misalignment of a pulley; or, defective bearings in the tensioner, idler, or one of accessories driven by the belt (including the water pump). … Excessive cracking: Other than severe old age, defective tensioner.

Can a bad serpentine belt cause acceleration problems?

Hi Brandon. Typically a damaged belt tensioner will not impact vehicle performance. It would cause the serpentine or drive belt to wear prematurely or to squeak – but not cause the acceleration issue.

How do you know if your serpentine belt is going bad?

Symptoms of a Bad or Failing Serpentine/Drive BeltSquealing 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. If the serpentine belt completely fails and breaks, then your car will break down. … Engine overheating. … Cracks and wear on the belt.

How long do serpentine belts last?

Serpentine belts last a lot longer than older V-belts ever did, but they still wear out over time. The typical replacement interval for serpentine belts and flat belts today is around 90,000 miles – which for many vehicles means only once every seven to nine years! That’s a lot of miles between belt changes.

Can you drive with a bad serpentine belt?

This is all because many cars have one serpentine belt that drives the water pump, the power steering pump, the alternator and the air conditioning compressor, and the fan. … It is best to not drive a car with a broken belt, even for a short distance.

Can a car run without a serpentine belt?

Under no circumstances can you drive a vehicle without a serpentine belt because the serpentine belt serves the important function of delivering antifreeze to important parts of the engine. The serpentine belt drives the water pump, and without it, there is insufficient coolant flow to maintain the engine temperature.

Can antifreeze damage a serpentine belt?

Yes. Antifreeze will cause damage the rubber compound in the belts. If you do not replace it now then it will slip and may cause the water pump installer to not warranty the work.

Will serpentine belt make noise?

Worn/Cracked Serpentine Belt – Serpentine belts have grooves which fit into grooves in the pulleys. Over time, the friction wears down these grooves, resulting in a loose fit. A worn belt can, therefore, begin to slip, which is one of the causes the squeal. Alternatively, cracks can cause the belt to snap.

How much does it cost to replace a serpentine belt?

It is very inexpensive to replace a serpentine belt whether it’s broken or loose. The replacement cost is only going to be between $100 and $200 in most cases. The belt itself will cost between $25 and $80 while the labor costs will probably be between $75 and $120.

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.)

Can a bad serpentine belt cause check engine light?

A loose or worn belt will cause ticking or rattling noises, poor engine performance and overheating, usually triggering the check engine light. If the timing belt breaks, the engine can’t run — and on some engines that break can cause internal damage.