Proform treadmill remains to be one of the most popular fitness equipment, whether used in the gym or at home.
Like any other complicated machines, Proform products require some maintenance, and different parts may need replacement from time to time.
Today’s guide on how to change belt on Proform treadmill, we are helping you go through this maintenance process to ensure the safety for you and other users for years to come.
Without further ado, let’s get right into it!
Signs a Proform Treadmill Belt Needs Replacement

Symptoms like fraying edges, excessive smoothness, sluggish belt movement, or slippage can all be signs that your treadmill belt requires maintenance. But to determine whether you are replacing the belt or not, you need to know exactly what to look for and what tests to perform.
First off, turn on Proform treadmill and start running it at the slowest speed possible. Pay close attention to the edges of the belt and make sure they aren’t curling or frayed.
Fraying or curling can be an obvious sign that you should be replacing the treadmill belt.
Next, loosen your treadmill belt using a screwdriver in order to be able to visually inspect and feel the interior and exterior belt surfaces.
Avoid loosening the bolts too much, you want them just loose enough to be able to slide your hand inside the belt and visually inspect the underside of the belt.
After the tension bolts are loose, run your hand along the underside and top to check for signs of excessive wear. This may come in the form of discoloration or extreme smoothness.
Discoloration for most treadmill belts will seem dark, almost black.
Also if you feel excessive smoothness in the areas where you walk, your belt needs to be replaced.

Next, you want to inspect the seam of the belt. This is a particularly vulnerable area of the belt and can easily be the source of many problems.
Identify the seam where the belt has been connected, and make certain that it isn’t coming undone.
Run your hand along the seam on the underside of the belt, check for any signs of wear and tear on the top of the belt seam.
If the belt seam edges are fraying or coming apart, you need to replace the tread belt.
Proform Treadmill Belt Replacement Toolkit
For Proform treadmill belt replacement process, tools you will need are:
- Treadmill belt.
- Allen wrench.
- Phillips screwdriver.
- A marker.
Proform Treadmill Belt Replacement – Step By Step Guide

Proform Treadmills may vary in model style, the procedure demonstrated here is very similar.
Make sure to unplug and turn off Proform treadmill before committing the guide below so that there’s no risk of an electrical shock.
Here is a step-by-step guide on how to change belt on Proform treadmill:
STEP 1: Remove the motor hood cover
Use a Phillips screwdriver to remove the screws located in front of the motor cover of your ProForm treadmill, then the two screws on each side of the motor cover.
Once you take the screws out, remove the motor cover by just pulling it up and put it to the side.
Next, place the walking deck into the storage position.
STEP 2: Remove the deck bolts
Remove the screws attached to the underside of the walking platform.
STEP 3: Remove side foot rails
Lower the walking deck back down, and take out the side rails.
STEP 4: Mark the rollers position
Use a marker to mark out where the rollers are on the front and back bolts.
STEP 5: Remove the rear roller
Loosen the left and right screws on the idle rollers at the front of the roller and remove them.
Next remove the roller at the back of the treadmill.

STEP 6: Remove front roller
With the belt loosened, While turning the drive roller by hand, pull on the inside of the drive belt in order to walk it off the drive roller pulley.
Now remove the drive roller.
STEP 7: Remove belt
Using an Allen wrench, remove the four bolts found in each corner of the walking board.
With two people, lift the walking board up so that you can slide the running belt off the treadmill.
STEP 8: Reinstall the new belt
After you’ve removed the old belt, Carefully install the new walking belt around the walking board.
STEP 9: Reassemble the walking board
Using your Allen wrench, replace the bolts in each of the four corners of the walking board.

STEP 10: Reassemble the front roller
Slide the drive roller into place. Walk the motor belt belt by hand onto the pulley just as it was taken off.
STEP 11: Reassemble the rear roller
Replace the idler roller. Screw the idler bolts back in.
STEP 12: Reassemble the side foot rails
Reinstall and screw the side rails back on.
STEP 13: Test the belt
After successfully replacing the walking belt with a new one, lift the running belt in the middle to make sure it’s an appropriate tightness.
It should lift between 2 and 3 inches away from the treadmill, but no more.
You also want to make sure the gap on both side of the walking belt are equal.
Get on how to adjust Proform treadmill belt if the belt is not properly aligned and tensioned and needs adjustment.
STEP 14: Put the motor hood back on
Once you are done with replacing and adjusting your Proform walking as called for, put the motor hood and screws back on.
How Much Does a Proform Treadmill Belt Replacement Cost?
Proform treadmill belt replacement on Amazon is $119.99. This doesn’t include the cost for a repairman to install it.
The cost of installation highly depends on your chosen repair company charges hourly. You may be looking at an additional $100 to $200, making the cost of replacement anywhere from $220 to $320 total.
However, if you aren’t willing to pay for a repairman service, you still can cut this cost of installation by replacing your Proform belt all by yourself.
It is a lot cheaper to replace the walking belt yourself instead of paying someone else to do it for you.
Just follow the above guide on how to replace belt on Proform treadmill and you’ll successfully get your machine running in no time.
Final Thoughts
A Proform treadmill belt is the most important part of the treadmill, and unfortunately at some point, you probably will have to replace it at some point.
Today’s guide has given you a lot of useful information to help you understand when you need to replace your Proform treadmill belt and how to do it all by yourself.
After replacing the new belt, you should also check the running deck if it is well oiled. If not, get on how to lubricate Proform treadmill belt guide in order to keep the new belt under good conditions.