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Auxiliary Water Pump Replacement Costs & Repairs

Auxiliary Water Pump Replacement Costs

Auxiliary water pump replacement cost ranges from $20 to $718. The price differs significantly depending on your vehicle's brand, series, the location where you get the job done, and the number of auxiliary water pumps you’re planning to purchase. 

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The auxiliary water pump is responsible for circulating the hot coolant to heat the heater core. That's why you can increase your vehicle's interiors temperature and receive hot air from the vents.

Over time of use, the auxiliary water pump might experience wear and tear resulting in issues with your heating system’s performance. One of the most obvious symptoms of a bad auxiliary water pump is the heating system blowing cold air.

Once you notice any of the signs of a bad auxiliary water pump, it is recommended to get the problem resolved immediately. Otherwise, you might not be able to drive your vehicle, especially in freezing temperatures.

Replacing the auxiliary water pump requires a wide range of expected costs that differs depending on your vehicle's brand.


This article provides you with all the necessary details you need to know regarding auxiliary water pump replacement costs. We will also highlight the main symptoms of a bad auxiliary water pump. At the end of this article, we will answer some of the most frequently asked questions about the auxiliary water pump replacement costs. 

What is the auxiliary water pump, and what does it do? 

Whenever you hear the turn water pump, the first thing that comes to your mind is the engine's water pump that pushes the coolant around the engine to maintain its operable temperature.

However, the auxiliary water pump is something else. It is responsible for maintaining a hot temperature in your vehicle during winter days. The auxiliary water pump since a hot coolant to the heater core to make it blow hot air through your vehicle’s vents. That's why it might take a couple of minutes before you start feeling the heater when you turn on your vehicle in the morning during cold weather.

Something unique about the auxiliary water pump makes it different from the regular water pump related to the source of power. The regular water pump gets its power from a drive belt. On the other hand, the auxiliary water pump gets its power from the electric supply.

Faulty auxiliary water pumps are not very rare, and there will be a point of time where you have to replace them to maintain warm temperatures during cold weather. 

How much does it cost to replace the auxiliary water pump? 

Replacing the exhaust is one of those repairs that differ significantly among model types. Thus, exactly you want her pump replacement cost from as low as $20 to as high as $780.  

Some of the main factors affecting your auxiliary water pump replacement costs are usually related to the brand, the series, the location where you get the job done out, and the quantity of how many auxiliary water pumps you are going to purchase. 

Let's take a closer look at some of our collected database an auxiliary water pump replacement costs play vehicle type: 

Car type Auxiliary water pump replacement cost 
2014 Porsche Boxster $622.55
2009 Toyota Prius $492.24
2010 Cadillac Escalade $400.04
2007 Volkswagen Touareg $379.75
2011 Cadillac Escalade $400.04
2012 Toyota RAV4 $713.61

 

What are the symptoms of a bad auxiliary water pump? 

When there is the only water pump that goes bad, you might not drive your car not because the vehicle will not be running but because you will not be comfortable enough to drive during winter conditions.

In some severe cold temperatures, the auxiliary water pump might prevent you from completely driving this car.

Luckily, there are some warning symptoms that you can keep an eye on, indicating that the auxiliary water pump is getting towards the end of its lifetime. 

  • Heater blowing cold air 

The first and clearest symptom of a bad auxiliary water pump is when the heater is not blowing hot air.

Many reasons could cause the heater not to blow the right air temperature, but a faulty heater auxiliary pump might be the culprit.

Think about it this way; the auxiliary water pump is responsible for circulating the hot coolant around the heater core to make it hot enough, so the air coming from the vents is heated up.

When the auxiliary water pump goes bad for any electronic failure or motor damages, the heater core will be cold all the time. Any more vents will not blow anything but cold air.

If you have realized that your heater is blowing cold air, it's a couple of minutes for the engine to reach its optimum temperature because the auxiliary water pump will not have sufficient temperature to heat the heater core. Thus, once you wait a couple of minutes, you can for sure determine whether the Zoe water pump has a problem or not.

If you've still experienced heater blowing cold air, you must have your vehicle inspected by a professional mechanic, especially if you're driving in freezing temperatures. 

  • Inconsistent heater temperature 

The auxiliary water pump is designed to provide consistent and continuous supply to your heater core. It's not normal if your heater is not blowing the same air temperature as you're driving.

If you realized that your vehicle's heater temperature is fluctuating, especially if you idle or reduce your acceleration, there is most likely a problem with the auxiliary water pump.

At this point, you must get your vehicle inspected by a professional mechanic immediately. Otherwise, the problem might end up with a completely failed auxiliary water pump that requires installing a new part. 

  • Problems with the window defrost system 

The windshield defrosts the auxiliary water pump also supports the system. The water pump circulates hot coolant around the heater core, which provides the hot temperature to defrost the windshields.

Have you ever tried turning on the windshield defroster and found that it's not working immediately? Did you try to let your vehicle run for a couple of minutes and retry again? If the problem was not resolved, you are most likely having an issue with the auxiliary water pump.

Problems with the windows defrost system might also be associated with other faulty components. Therefore, you need to confirm with a professional mechanic the real root of the problem. 

  • Buzzing sound under your vehicle’s dashboard 

On some rare occasions, the auxiliary water pump might experience some electrical problems. These problems are usually associated with the pump running faster than it should run.

In that case, you will notice that the auxiliary water pump continues running even after you turn off your engine. This type of problem causes some strong buzzing sound towards your vehicle’s dashboard.

It's not surprising to see the auxiliary pump effect on your vehicle's dashboard because it's located at the rear portion of your engine, close to where the mainline split into different lines to provide the hot coolant to the auxiliary water pump.

Can you bypass an auxiliary water pump? 

Bypassing the auxiliary water pump should not be a big problem unless you're driving in freezing temperatures. Your vehicle should run perfectly fine without or with a faulty auxiliary water pump. It will feel almost like you're driving a car while turning off the heating system. 

Although you can drive the car with a faulty auxiliary water pump, it is not recommended. It's not safe to continue driving this car during winter times when low temperatures can affect your safety.

How long can you drive a car with a bad water pump? 

Depending on what you mean by the water pump, the answer to this question might differ. For instance, if you refer to the primary water pump in your vehicle that is responsible for distributing the coolant around the engine, you can only drive this car for between 5 to 20 minutes only.

On the other hand, if you're referring to the auxiliary water pump, the situation is different, and you will not experience any problems unless issues with the heating system.

If you think that you can drive the car without the heating system working, you can't even bypass a bad auxiliary water pump, As we mentioned earlier.  

What causes the auxiliary water pump to go bad? 

The auxiliary water pump is not designed to last forever, and there will be a point of time where you must get it replaced.

Most damages are usually associated with wear and tear between the moving components. Think about the auxiliary water pump as any regular rotating device. The brushes, the wings, and all internal components can easily get failed.

Since the existing water pump is responsible for circulating very hot coolant, overheating issues might also affect any water pump's lifespan. The high temperature and the pressure are other factors that could damage your auxiliary water pump over time of use. 

Is it worth replacing my auxiliary water pump? 

It depends. If your vehicle falls in the category where the auxiliary water pumps are not very expensive, it doesn't hurt to get it fixed, especially if you're planning to drive in winter or freezing temperatures.

On the other hand, even if you live in very cold weather, you need to evaluate the situation when the water pump replacement costs get close to 75% or more of your vehicle's value.

You need to step back and consider all potential repairs you have to take care of. For example, if you have any major problem with your engine or transmission or probably any missing components, you should not proceed with fixing this car.

Instead, you should sell it and use its value towards a better vehicle. The used car market has a lot of decent vehicles that don't have such problems. Thus, don't make a final decision before evaluating your situation. 

One might wonder who accepts vehicles with major mechanical problems? Well, you are at the right location!

Cash Cars Buyer guarantees to buy your car even if it has major mechanical problems.

We provide you with the top dollars, but your vehicle can make it around your area and tow your car free of charge, no matter where you're living around the United States! 

We can remove your car within one to three days. We are a 24-hour car removal company which means that we can pick up your car same day, evenings, and weekends. 

Bottom line

The auxiliary water pump is responsible for circulating hot coolant around the heating core to help your vehicle increase its internal temperature through your vents.

The first and most obvious symptom of a bad axuliary water pump is your heating system is blowing cold air. You might also notice that your window is forcing the system is not to work.

If you've noticed any sign of a bad auxiliary water pump, you should get it replaced as soon as possible. Although your vehicle will not stop working with a faulty auxiliary water pump, the situation can be a little risky, especially if you're driving in freezing weather weathers.

Replacing the auxiliary water pump costs a wide range depending on your vehicle brand and the location where you get the job done. Some of the auxiliary water pumps can be found four as low as $20, while others can be found for as high as $780. 

If you got to a point where repair costs are getting close to 75% or more Premier vehicles value, you should sell this car instead and use the payment towards a better vehicle.

Cash Cars Buyer is one of the first companies who will accept your vehicle even if it has major problems related to the auxiliary water pump and any major component in your vehicle.

If you would like more information about how our process works, you can get in touch with our customer service by giving them a call at 866-924-4608 or visit our home page click on the free instant online offer

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