Is Your Impeller Water Pump Failing in 7.3 Powerstroke?

Impeller corrosion damage on a 7.3 Powerstroke water pump can be a frustrating and costly issue to deal with. When the impeller, which is responsible for circulating coolant throughout the engine, becomes damaged, it can lead to overheating, engine damage, and even complete engine failure. But what causes this damage in the first place? In this blog post, we’ll explore the common culprits behind impeller damage on a 7.3 Powerstroke water pump, and provide some tips on how to prevent it from happening to your own vehicle. So buckle up and let’s dive in!

Types of Impellers

There are a few different types of impellers that can be found on a 7.3 Powerstroke water pump, including:

  • Steel Impellers
  • Plastic Impellers
  • Bronze Impellers

Common Causes of Impeller Damage

There are many common causes of impeller damage on a 7.3 Powerstroke water pump. The most common:

  • Corrosion
  • Debris
  • Wear and tear 
impeller corrosion damage 7.3 powerstroke water pump

Common Problems with Impellers

  • Misalignment
  • Poor Coolant Flow
  • Leaks

Detecting Impeller Damage in 7.3 Powerstroke Water Pump

  • To detect impeller damage in your 7.3 Powerstroke, you’ll want to first inspect the impeller for cracks or holes. This will clearly tell you whether your water pump has failed.
  • You can also check for leaks by removing the cover on your engine and looking at where all of your hoses connect to it. If there are any signs of rust or corrosion on these connections, then it’s likely that these leaks have caused some internal damage inside of your engine as well.
  • Lsten for noises coming from inside of your 7.3 Powerstroke engine while it’s running. Start by listening around where all of its components are located (this includes both under hood and under car). You may hear something unusual coming from somewhere inside if there is indeed an issue with one or more parts within this system!

Preventing Impeller Damage in 7.3 Powerstroke Water Pump

To prevent impeller damage, you should:

  • Regularly maintain your vehicle.
  • Use high-quality parts when replacing the water pump.
  • Keep the coolant fluid clean and full at all times.

Replacing the Impeller in 7.3 Powerstroke Water Pump

The next step is to remove the old impeller. The easiest way to do this is by removing the water pump pulley and then using a socket wrench or breaker bar to loosen the bolt that holds the impeller in place. You may need some help with this step, as it can be difficult if you don’t have enough leverage.

Once you’ve removed your old impeller, install your new one by lining up its grooves with those of your water pump housing and tightening down with a socket wrench or breaker bar until snug (but not overly tight). Make sure not to overtighten! Also make sure all gaskets are seated properly before installing any bolts or fasteners–this will save you from having leaks later on down the road when things start getting hot under pressure!

After everything has been put back together properly, test out your work by turning on your engine for about 30 seconds at idle speed while monitoring coolant temperature gauges closely; if all goes well without any signs of overheating then congratulations! You’ve just saved yourself thousands upon thousands of dollars worth of damage down road due time spent replacing parts rather than fixing them now before they become irreparable beyond repair costs.

There is a chance that you will end up needing to upgrade your water pump. If so, refer to our guide on the best water pumps for 7.3 Powerstroke


Impeller damage can lead to serious problems with your 7.3 Powerstroke Water Pump. But the trick is proper maintenance is key to avoiding costly repairs. Be sure to regularly review your water pump and see how it is doing to ensure that your vehicle runs smoothly for years to come

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