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Treadmill makes loud grinding sound when I run in the middle of the tread. it doesn't make the noise if I run on the left side.

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1)you must LUBE the DECK BELT, inmediately, for to avoid the friction
2)LUBE the rollers bearing.too
3) See the main motor for bearing and repair the motor for bearint too.
4) If the problem persist you have worn deck belt, and replace.
God bless you

treadmill makes loud grinding sound when I run in  - 11_7_2012_10_56_41_pm.gif

Posted on Nov 07, 2012

  • Robert C Schlachter Nov 09, 2012

    I have lubricated the belt but that didn't solve the problem. I have not had a chance to lubricate the bearings yet.

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Posted on Jan 02, 2017

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SOURCE: treadmill noise

If it is a chirping noise it will be the mylar sheet under your walking belt. You will need it replaced after that kind of damage. If it is an actual grinding noise it will be something else.

Posted on Apr 14, 2009

  • 64 Answers

SOURCE: While running on the treadmill there is loud noise

Probablt don't need a new belt. You need to isolate noise. Listen and look for any signs of rubbing in the area that noise is comming from.

Posted on Jul 27, 2009

  • 103 Answers

SOURCE: Proform 400GI Treadmill making a very loud noise,

This definitely sounds like the drive motor. One way to check is to remove the drive belt and run the motor without the walk belt connected. Obviously if you still have the noise it will be a motor issue. If not then it will be one of the 2 rollers. Good Luck! Tim

Posted on Nov 13, 2009

  • 11 Answers

SOURCE: My Life Fitness 9000 Treadmill is making a loud

Could be a number of reasons - where is the black dust coming from? remove the motor hood and check for misalignment of the drive belt from motor to the front roller.

Posted on Apr 27, 2010

  • 95 Answers

SOURCE: who do I call to

I recommend searching this list of fitness service providers to see if there is one in your area.

Posted on Aug 26, 2011

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1 Answer

Makes a loud rubbing noise on one side


To be honest with you, these could be symptoms of a few different problems. Here are the most common ones and what it possibly sounds like:
1) It could be that the front roller has dislodged itself from the roller pulley. In other words, the motor keeps turning, and when you step on the walk belt, the pulley (the one with the small rubber belt) keeps turning, but the roller stops. This can cause grinding noises, and the pulley to "skid" the black belt, which can account for the black dust. You can usually tell this is the problem when it runs fine with nobody on it, but when you step on it, it grinds
2) It could also be that the walk belt is rubbing on the sides of the deck and/or side rails. This happens when the belt shifts over from the center. It would definitely sound like a grinding noise, and the black dust could be from the walk belt particles wearing down due to the rubbing.
3) It could also be the drive motor brushes. Let me explain. The motor has two small blocks on either side of it (inside the metal casing). Those two blocks actually carry electricity into the spinning part of the motor (called an armature). They actually make contact with the armature at all times while it spins. Those "small blocks" are made of a graphite (what pencil lead is made of). Well, with so much spinning, and so much contact from the armature, those things grind down with time. They sometimes grind down until they are stubs only. Then they start grinding. The powder in this case would be the brush graphite piling up (this would often be shiny dust, and is a dark grayish).
4) The grinding could also be roller bearings going bad.
**For #3, and 4 above, you have but to remove the small belt that attaches to the motor (rubber, black, and small attached to pulleys), and let the treadmill run for a few seconds by itself. You may get a "speed error code' after the treadmill does not detect speed, but at least you'll know if the grinding is coming from the motor. If it runs super quiet, even for a few seconds, then you know it may be #1, 2, or 4 above.
These are the most common issues based on your symptoms.

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The grinding noise could be asking for lube. If that is possible, do it.

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My loyale starts and runs ok, but makes a terrible noise, coming from the engine area. It sounds like a very loud knocking, clicking, sort of sound. It doesn't seem to affect the running of the...


hi a loud noise like the one you described can really only be a few things, either the main engine bearing is getting worn and is on its way out or you have a damaged or dirty lifter. The main difference between the two is the bearing will sound like a knock or grinding noise and the lifter will be more like a loud tick from either the left or right head on the motor you may just have to listen carefully to tell but it is possible and they will both speed up with the engine rpm. A bearing will usually cause problems running/starting/idling etc so maybe lean towards a lifter if it is damaged it will need an expensive replacement but try an oil change first as this can also free up dirt etc and solve the prob

Jun 02, 2011 | 1991 Subaru Loyale

1 Answer

Runs okay but is starting to make loud sharp clanking noises


Clanking sound is bearing that has gone bad in a treadmill, unplug the treadmill remove the motor shroud. Use a long handled screwdriver and touch it to a non-moving portion of the front and rear rollers and motor and then put your ear up to the handle and the screwdriver will amplify the noise of the part so you can find out which part is making the noise. If it is a bearing, it will be obvious which part is the problem because the grinding or clacking noise of the bad bearing with be amplified by the screwdriver

May 23, 2010 | Dmm Vision Fitness T9500 Treadmill

1 Answer

While running on the treadmill there is loud noise


Probablt don't need a new belt. You need to isolate noise. Listen and look for any signs of rubbing in the area that noise is comming from.

Jul 27, 2009 | Stamina Products InMotion Treadmill

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