How to Fix a Slipping Treadmill – Skills You Must Follow to Fix a Treadmill


Treadmills can be a great addition to a home gym. They are safe and effective for cardiovascular exercise. A treadmill can occasionally fail, as with all workout machines. There are many features and sizes available for treadmills. However, some key issues can occur on all types of treadmills. It is important to act quickly. It is possible to minimize downtime and damage by acting quickly. These are some of the most common tips on how to fix a slipping treadmill.

Why treadmill belt slip 

There could be many reasons your treadmill belt is slipping. It is important to identify the root cause to correct the problem. Start by checking that you lubricate the belt properly. Insufficient lubrication can cause friction between the belt’s running deck and the belt, which will hinder a smooth run. You might lubricate the belt so that the slipping could be due to a loose walking belt. This needs to be tightened. After you’ve checked the other possibilities, a loose drive belt is causing your problems.

It is located under the motor’s hood and can be more difficult to repair at home. This should be left to a professional. There are two other possible reasons your belt could be sliding. Either the pulley that holds the front roller in place has lost its grip, or the belt is worn down.

Learn more: How to move a treadmill

How to Fix a Slipping Treadmill

How to fix a slipping treadmill

A slipping belt that is running will stop moving for a second when you run. If you land harder than usual, you may be able to notice it sooner. You can identify a slipping belt in many ways.

Learn more: How to fix slipping treadmill belt


You can check the lubrication by sliding your finger under the belt on one end. It should feel smooth. It should feel smooth. However, if it feels dry, friction can be created, which will hinder a continuous run. This is when lubricant is needed.


It is best to slide your hand under the belt on either side and then try to lift it. You should usually be able to lift it two to three inches off the deck. It should lift no higher than that. This indicates it is too loose and must adjust. You could also try gliding your hand under your belt to see if you can get there. With some effort, you should be able to reach the middle. Your arm may slide to the opposite side if it is too loose or needs adjustment.

Worn-Down Belt 

You might not notice a worn belt, but you can feel it by sliding your finger underneath. It could be that the belt is deteriorating if you feel any dust or crumbs.

How to Fix a Slipping treadmill Belt 

Once you’ve identified the problem, I will show you how to fix it. This is usually a simple job. You must know your limits. Do not hesitate to seek professional help if you are unsure.

Read more: How to make workout sandbags

Lubricate the belt

Always use the recommended lubricant according to the instructions manual. Before applying any lubricant, you may need to remove dust from the deck. It could cause further damage to your treadmill if it is too heavy. This can be done by loosening the belt. Next, place the treadmill on its side and dust it off. Apply the lubricant by placing half of the packet on one side and the other half on the opposite side. Turn on the treadmill for five minutes, tighten the belt if necessary, and then let it run aloft for five more minutes. Continue to walk on the belt for a minute more, and it should start running smoothly again.

Make adjustment

An Allen wrench or a hex key are required to tighten the walking belt. You should see two or three roller bolts at the end of your treadmill. Turn clockwise with your tool.

It would help if you tightened it evenly. Do this slowly. Turn the screw by turning it half turn and then repeat the process on the opposite side. Make sure you frequently stop to ensure that the tension is not too tight.

You can also tighten loose drive belts by following the instructions on your treadmill. It is not recommended for beginners as it could cause further damage to the treadmill. You’d be better to call a professional if you have a loose drive belt.

Here are some links to help you find the right equipment for these types of adjustments.

  • A set of Allen wrenches to adjust the tightness.
  • This lubricant can be used on many types of treadmills.

How to avoid treadmill to be slipping

It is easy to fix a slipping treadmill. There are some things that you should not do.

How to tighten treadmill belt

Don’t over-tighten 

It can lead to a bigger problem if you tighten the walking belt and drive belt. A tight belt may cause an amp draw increase. This could lead to motor or electronic problems. The seams of the walking belt may become too tight and can even crack. In this case, you have to replace.

Don’t over lubricate 

If your treadmill belt is not in use, do not lubricate it. Over-lubricating your treadmill belt can cause more damage. Avoid putting too much lubricant on the top. It can become slippery and cause you to slip when running.

What to do when you need help 

Call for assistance if you have exhausted all self-repair options or feel uneasy about it. If you think your walking belt may be worn or damage, it is best to call a professional. The instruction manual for a treadmill will often tell you what you can do on your own and what needs to be done by a professional.

How to fix common treadmill problems

Burning smell

If you notice a burning sensation while using your treadmill, turn it off immediately and get down to unplug the power cable. The friction between the deck and the belt or a short in the wiring, electronics, or the motor could cause this smell. You can remove the hood and vacuum out the underside. It can clean well, and the deck and belt can be lubricated. Plug it in, and verify that it is working. If it still smells, turn off the power cord and contact an expert technician.

Non-working motor

There may be two possible reasons why your treadmill motor won’t work: one is because of damage to the circuitry or malfunction of the motor, and another is because of a failed circuit on the lower control board due to heat. You can reduce excessive heat by placing a vinyl matt under the motor and applying lubricants from time to time. You can also prevent the motor from running at maximum speed. The circuit or motor need to replace completely by a professional.

No display

Minor issues with consoles are common. Crimped cords or worn batteries usually cause this; magnet falls, etc. You can replace the worn or crimped batteries with your own. Reset the circuit breaker if the treadmill’s console becomes static. If the problem persists, contact an expert technician.

Slipping belt

Sometimes, a treadmill user may slip while running. The belt may be too much tight, or friction can cause slippage. Ensure there is at least a 2-3 inches gap between the belt’s center and the buckle. If the belt is too tight, adjust it.

Heated belt

The most common issue that treadmills face is the heated belt. This issue can be caused by too much friction on your running belt. You can prevent this from happening by properly lubricating. The machine will automatically turn off when the friction reaches a certain level. To determine if the problem has been resolved, lubricate or replace the belt.


You now know how to fix a slipping treadmill. This is quite simple, but you need to be aware of your limits to avoid further damage. It is crucial to identify the root cause of the problem. You could cause more harm if you aren’t sure. Don’t worry, though; most problems can be easily identified. These steps are important to remember. Start by checking to see if you need lube. Next, make sure to check for any adjustments and that the belt is in good shape. Be confident! You are likely to be able to solve the problem.

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