Shark Vacuum Making Weird Suction Noise [SOLVED!]

Experiencing a weird suction noise while using your Shark vacuum can be both annoying and concerning. Although Shark vacuums are known for their quality, effectiveness, and longevity, they can sometimes encounter issues that cause them to produce strange noises during operation. In this article, we will explore some possible reasons behind the bizarre sounds emanating from your vacuum and provide you with potential solutions to address these problems.

As you use your Shark vacuum, you may have noticed noises such as rattling, whistling, or grinding. Each of these sounds can indicate a specific issue with the vacuum. For example, a rattling noise may mean that your vacuum has sucked in something small and hard like a pebble, while a whistling noise could point to tears or holes causing an air leak. Identifying the type of sound is a crucial first step in diagnosing and resolving the underlying issue.

Aside from the common sounds mentioned earlier, other reasons for a Shark vacuum making weird suction noises include blockages, dirty or damaged filters, or issues with the fan or brush roll. By learning about these potential causes and understanding how to troubleshoot them, you can help maintain the performance and longevity of your Shark vacuum while ensuring a quieter and more pleasant cleaning experience.

Identifying the Suction Noise

As you use your Shark vacuum, you may encounter different types of suction noises. In this section, we will help you identify the most common ones and understand their causes. These include:

Loud Noise

A loud noise coming from your vacuum typically indicates a problem with the suction or airflow. This may be due to clogging or a dirty filter. It is important to inspect your vacuum for blockages in the hose, head, or filters and clear them as necessary.

Rattling Noise

If you hear a rattling noise while using your Shark vacuum, it may have sucked in a small, hard object like a pebble or piece of debris. Turn off the vacuum and carefully inspect the hose and vacuum head to locate and remove the foreign object.

Whistling Noise

A whistling noise from your vacuum suggests an air leak, possibly caused by tears or holes in the hose or vacuum bag. Examine your vacuum for any visible damage and replace any components with noticeable tears or holes.

Grinding Noise

A grinding noise while vacuuming can be indicative of a damaged brush roll or a broken fan. Inspect the brush roll for wear and tear, tangled hair, or debris caught around it. If the brush roll appears to be in good condition, check the vacuum’s fan for damage.

High-Pitched Noise

High-pitched noises can be a sign of motor issues or issues with the vacuum’s belts. This type of noise commonly occurs if the motor is overheating or if there is a stretch or break in a belt. Visually inspect the belts and ensure your vacuum’s motor is functioning correctly.

By understanding the different suction noises your Shark vacuum may produce, you can quickly identify and resolve the issues causing them.

Common Causes of Suction Noise

Filter Issues

Your Shark vacuum cleaner may experience suction noise due to dirty or damaged filters. Filters play a vital role in maintaining the efficiency and airflow of your vacuum cleaner. A dirty filter obstructs proper airflow, resulting in weird suction noise. To resolve this issue, clean or replace the filters as needed to improve your vacuum’s suction and reduce noise.

Motor Problems

Motor-related problems can also contribute to the suction noise in your Shark vacuum cleaner. A broken fan within the motor may cause strange sounds as it prevents the vacuum from overheating. Dirt and debris accumulation on the fan might eventually lead to fan breakage. If you suspect a motor issue, seek professional assistance to diagnose and repair the problem.

Blockages and Clogs

Blockages and clogs are common issues that can cause suction noise in your vacuum cleaner. Objects like pebbles or larger debris may enter the vacuum and get lodged within the hose or other parts, leading to an increase in suction noise. Inspect your vacuum for any blockages and carefully remove the debris to restore proper functioning and reduce noise.

Brush Roll Malfunctions

Your Shark vacuum cleaner’s brush roll may malfunction or become damaged, leading to suction noise. Jammed or entangled brushes can hinder the roller brush’s movement, generating excessive noise. To fix this issue, ensure the roller brush is cleaned regularly and free from obstructions or debris. Replace the brush roll if it appears damaged or worn out.

Belt Issues

Belt issues may also cause suction noise in your Shark vacuum cleaner. If the belt has snapped, slipped, or become loose, it can directly impact the vacuum’s efficiency and result in abnormal sounds. Inspect the belt and replace it if necessary to ensure the vacuum runs smoothly and quietly.

By addressing these common issues, you can greatly reduce the suction noise in your Shark vacuum cleaner and maintain its optimal performance.

Examining Shark Vacuum Models

When trying to understand the causes of weird suction noises in your Shark vacuum, it’s essential to consider the differences in various Shark vacuum models. In this section, we will briefly discuss the following Shark vacuum models: Shark Navigator Vacuum, Shark Rocket Vacuum, Shark Ion Robot, and Shark Robot Vacuum.

Shark Navigator Vacuum

The Shark Navigator Vacuum is an upright vacuum known for its powerful suction and versatile features. One possible cause for weird suction noises in this model could be blockages in the hose or filters. Always check for any obstructions like hairballs or large debris that may obstruct the airflow, and clean or replace your filters as needed.

Shark Rocket Vacuum

Shark Rocket Vacuums are lightweight stick vacuums that provide flexible cleaning options. Maintaining proper airflow is crucial to prevent odd suction noises in these models. If your Shark Rocket Vacuum is making weird suction sounds, consider examining the brush roll for any tangled hair or debris, and ensure the filters are clean and free of obstructions.

Shark Ion Robot

The Shark Ion Robot is an intelligent robotic vacuum that navigates your home while you’re away. Issues with suction noises can arise when the side brushes or wheels get clogged with hair or debris. For optimal performance, regularly inspect and clean your Shark Ion Robot to remove any accumulated dirt and ensure your robot vacuum runs quietly and efficiently.

Shark Robot Vacuum

Shark Robot Vacuums, like the Shark Ion Robot, are designed to clean your floors autonomously. Poor suction or loud noises can often be traced back to clogged or dirty filters. It’s essential to frequently check the filters and dustbin of your Shark Robot Vacuum for any buildup of dirt, and clean them out as needed to maintain optimal cleaning performance.

It’s essential to become familiar with the specifics of your Shark vacuum model to identify the source of any strange suction noises you might encounter. Keep up with regular maintenance and address any issues as they arise to ensure your Shark vacuum continues to function effectively and quietly.

Troubleshooting and Fixing Suction Noise

Inspecting and Cleaning Filters

First, check and clean your vacuum’s filters. A dirty or damaged filter can cause loud suction noises. Ensure you clean both the pre-motor and HEPA filters regularly, as they play a vital role in maintaining powerful suction and airflow. To clean the filters, remove and wash them gently with water, and let them completely air dry before reinstalling.

Clearing Blockages

Blockages in your vacuum’s hose, wand, or powerhead can also lead to weird suction noises. To locate and remove any blockages, disconnect all vacuum attachments and inspect each one with a flashlight. Drop a coin in the flexible hose to help identify any clogs. Once you’ve found the blockage, use a long, flexible brush or a straightened coat hanger to remove it. Additionally, make sure to empty and clean the dustbin regularly to avoid obstructed airflow.

Repairing or Replacing Motor and Fan

If your vacuum is still making strange suction noises despite having cleaned filters and cleared blockages, there could be an issue with the motor or fan. Inspect the vacuum’s motor and fan for any visible damage or debris. If the fan is jammed or broken, you may need to repair or replace it to restore proper suction.

Addressing Brush Roll and Belt Issues

Finally, examine the brush roll and belt as these can also cause weird noises if they’re damaged or caught on something. Make sure the brush roll is free from debris and the bristles are in good condition. If the belt is broken or loose, replace it to ensure effective cleaning and efficient airflow. Check the vacuum’s air vents as well, as blocked vents can contribute to suction noise.

By following these troubleshooting steps, you can effectively address the suction noise issues in your Shark vacuum and keep it running at optimal performance. Remember to perform regular maintenance to ensure your vacuum lasts longer and continues providing powerful suction.

Maintaining Your Shark Vacuum

Proper maintenance of your Shark vacuum is essential to keep it functioning efficiently and without suction noises. In this section, you will find some useful tips to maintain your vacuum cleaner and prevent issues such as weird suction noises in the future.

Regular Cleaning

One of the most essential maintenance tasks is cleaning your vacuum regularly. This includes:

  • Emptying the dust cup: Always empty the dust cup after each use, as a full cup can reduce suction and create unusual noises.
  • Cleaning the filters: Washable filters should be cleaned every three months. Rinse the filters under cold water and let them air dry for 24 hours before reinstalling them. Regular cleaning prevents dirt buildup, which can cause strange suction sounds.
  • Clearing blockages: Check for blockages in the hose, brush roll, and other parts of your vacuum cleaner. Blockages can cause reduced suction and unusual noises.
  • Cleaning the brush roll: Remove the brush roll and clean off any debris or tangled hair. A dirty brush roll can create unnecessary strain on the motor, leading to loud suction noises.

Checking for Wear and Tear

Apart from cleaning, it’s also crucial to check for any signs of wear and tear regularly. This ensures that your vacuum cleaner remains in optimum condition:

  • Inspect the hose: Check the hose for any cracks, splits, or tears that could cause air leaks and result in unusual noises. Replace the hose if you find any issues.
  • Examine the brush roll: Closely inspect the brush roll for any signs of damage or wear, such as damaged bristles or a loosened belt. Replace the worn-out or damaged parts as needed.
  • Check the filters: Look for any damage or excessive dirt buildup on the filters. If they are damaged or cannot be cleaned thoroughly, replace them to maintain optimal suction and reduce the chances of strange suction noises.

By following these maintenance tips, you can ensure your Shark vacuum operates efficiently and with minimal weird suction noises. Proper maintenance and regular cleaning are essential to keep your vacuum cleaner functioning at its best.

Shark Warranty

As a Shark vacuum owner, it is essential to be aware of the warranty coverage provided by the manufacturer. Shark offers a range of limited warranties, ensuring that you receive service and support when facing issues like weird suction noises with your vacuum.

The warranty period for most Shark vacuums is one year, which covers any manufacturing defects in the product. In some cases, Shark provides extended limited warranties, such as a two-year limited battery warranty and even a five-year limited warranty for specific models. To learn more about your vacuum’s specific warranty coverage, refer to your product manual or visit the official Shark customer support and help center.

Keep in mind that warranty coverage does not include normal wear and tear, misuse, or damage caused by accidents. To maintain proper care of your Shark vacuum and ensure eligibility for warranty support, follow these recommendations:

  • Regularly inspect and clean your vacuum components, such as filters, brushes, and dustbins.
  • Avoid vacuuming small, hard objects, as they can cause rattling noises or damage your vacuum.
  • Empty and clean the dustbin after each use or when it reaches the maximum fill line.
  • Replace worn or damaged components with genuine Shark replacement parts.

If you encounter any issues, such as weird suction noises, reach out to Shark’s customer service for troubleshooting assistance, and possible warranty support. By understanding and utilizing your Shark warranty, you can ensure a long-lasting and efficient vacuum experience.


In this article, we have discussed the possible reasons why your Shark vacuum may be making a weird suction noise. To help you solve this problem, we have summarized the common issues and solutions:

  • Check for blockages in the vacuum’s hoses, brush rolls, and filters
  • Inspect the filters and replace or clean them as necessary
  • Examine the vacuum for any air leaks or damaged components

By following these recommendations, you can easily troubleshoot and fix your Shark vacuum’s suction noise. This will not only improve the vacuum’s performance but also prolong its lifespan. Remember that regular maintenance is key to keeping your appliance working efficiently and reducing the likelihood of encountering such issues in the future.

Thank you for reading this article, and we hope that it has provided you with valuable insights and practical solutions to address your Shark vacuum’s suction noise issue. If you need further assistance, do not hesitate to seek help from a professional or refer to your vacuum’s user manual.


  • Kevin L. Morris

    Hey there, I’m Kevin, from Colorado! I have been passionate about repairing appliances and electronics for the past 18 years. Modern vacuum cleaners break or malfunction way too often, so I have decided to contribute to and help my online readers with anything related to vacuums repair. I can’t wait to help you get your vacuum cleaner working again!