FAQ: What Does Water Pump Pulley Do?

What happens if water pump pulley goes bad?

Extensive wear on the water pump or serpentine belt If the pulley is loose it can cause the water pump belts to shake and develop more heat. When this occurs, the belts can crack or literally shred; as most of these belts are made out of rubber and nylon cords for strength.

Should a water pump pulley have play?

The water pump pulley should not have much ” play ” in it at all. Any side to side movement would indicate wear in the shaft bushing and likely be a leak at some point in the near future. Idler pulley has a bearing in it that has a little play in it, but not much.

How much does it cost to replace a water pump pulley?

Below are some pulley labels and their respective product offers. Dorman: Water pump pulleys from Dorman are available as OE replacements. Their standard prices range from $33.98 up to $55.77, all with Dorman’s lifetime limited warranty.

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How do I know if my water pump bearing is bad?

Appearance: With the engine off, check the condition of the bearing by looking for any side-to-side play at the shaft. Apply hand pressure – there should be no play at all. Also, rumbling or screeching noises coming from the water pump indicate a worn bearing. Cause: A misaligned belt causes excessive wear.

Can I drive my car with a bad water pump?

Water pumps don’t “break” and start leaking; they have things called “weep holes”, so that when the bearings are starting to wear down, it will slowly start to drip, that way you know its time to replace it. If that is all that is happening, you’re fine to drive it for a week or so.

Can you drive with a bad pulley?

A damaged pulley can cause the drive or serpentine belt to dislodge. So, how long can you drive with a bad idler pulley? The safety recommendation is not to drive the car at all and take it to a mechanic immediately. You should be concerned if the vehicle makes squeaking or rattling noises.

What does a failing water pump sound like?

If you hear a high-pitched, whining sound that increases as you accelerate – it could indicate a faulty water pump. These sounds are caused by a loose belt and the belt becomes loose when the pulley is loose or the bearings are wearing out.

How long does it take to put a water pump on?

The range is approximately two to three hours depending on whether your vehicle has power steering and/or air conditioning. It is economical to replace the pump on a mobile basis and you can obtain a repair quote for mobile replacement by referring to YourMechanic’s water pump replacement service page.

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What noise does a broken water pump make?

One way to check for worn out or failed water pump bearing; is to check for water pump shaft movement. So, with a faulty bearing, you can often hear a squealing, howling; or sometimes a grinding noise coming from the front of the engine.

What causes a water pump to go bad?

Water pumps can fail prematurely due to corrosion inside the cooling system or from an imbalanced water – pump shaft. But in most instances, water pumps fail because of shaft leaks. Excessive tension on a fan belt or serpentine belt also can overload the water – pump shaft bearings and cause the pump to fail.

How many hours does it take to replace a water pump?

On average, water pump replacement is a 3 hour job. You may pay less if you buy the pump yourself and give it to the mechanic to install, though use caution and make sure to buy the parts from a reputable source. Make and model of vehicle can have a significant effect on total cost.

How long can you drive a car without a water pump?

Randy Cook, 35 years of formula car racing and instructing. As so often is the case, it depends. If it’s an air cooled car, lacking a water pump by design, like an old VW or Porsche, quite a long way, perhaps until it runs out of gas. Without coolant flow a liquid cooled car engine will eventually overheat.

What happens when water pump goes out while driving?

The water pump is the main force behind a car’s cooling system allowing it to operate correctly. If the water pump in your car fails, the motive force for the coolant quickly goes away allowing the water in the engine to heat up very quickly and your engine to overheat, possibly causing damage.

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How do you test a water pump on a car?

The water pump impeller can wear out, thus no longer moving coolant around, so your car overheats. To test this. Do a cold start with Radiator cap off; you should see the fluid moving around some in the radiator. If not, then there is a good chance the internal water pump blades are gone or only a small amount left.

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