How To Fix A Slipping Treadmill Belt 

Videos like this are part of why I love RU-vid. This is a clear, concise, and extremely helpful video. After just a few minutes online now I can fix my treadmill competently. Thanks!

I thought i was too heavy😂

My treadmill is different than yours. You tightened your belt using an Allen wrench. I tightened mine using a socket wrench. Heck, I didn't even know those spots existed on the treadmill. Thank you so much, RJ! I nearly worried myself to death for 3 hours wondering what I was gonna do. Thanks again and thanks to the founders of RU-vid! With RU-vid, I've repaired a washing machine, a lawn mower, a headlight/taillight in the car and now a treadmill. I feel unstoppable.

Someone just trashed a 3k Treadmill because of slipping and I just fixed it!!! Thanks

NOTE: This product works exactly as described. ru-vid.comUgkxguEIMc_Qwab-3QMTpF6jaRL80hiOOsIN It originally earned a four-star review due to a minor defect (see below). However, the manufacturer's customer service rep (Lita) went above and beyond the call of duty and deserves five stars now. I wish I could give even more!I purchased this item which arrived quickly. Assembly instructions were easy to follow. There was only one problem: One bolt did not screw into the hole properly. I called the company. Their customer service rep (Lita) was terrific! She took all my information and submitted a request to replace the defective part. I'm hoping to finish assembly and start using this treadmill soon. (Fingers crossed...)FOLLOW UP: Lita called back to inform me that the company will send a replacement part AND a technician(!!) to install it properly. AMAZING CUSTOMER SERVICE!! Thank you!!

Cheers. Had a new treadmill delivered yesterday, and was slipping right from the getgo. Whoever installed it didn't tighten it up from the box, and I had to give it like 3 full turns to stop it from slipping. It's perfect now.

YOU ARE AWESOME!!! I was ready to buy a new treadmill. I thought the belt was worn out, causing my slipping. SOOO glad I came across this video.

Man, you saved me big time! I was loosing it when this started happening and considering the quarantine situation it didn't make it easier.

Wow, I had bought a used treadmill, used it for a week straight everyday for 4 miles, the walking belt started ripping in the dead center. Needless to say I spent $80 on a new walking belt, lost 2 weeks of walking (which I was/am ADDICTED to) finally got the belt shipped and begged two guy friends to help and we didn't have the right ratchet bit, after taking out most all other bolts and screws. Long story short, an hour a day for 3 days (as a girl mostly by myself) got the belt on and was so excited. Turned it on, it worked and finally lined it up and it started slipping. Your video was the first that popped up and wow, WHAT A SAINT YOU ARE!!!! Thank you very much for making this video, I am now a subscriber!!! THANK YOU THANK YOU THANK YOU!!

Lifesaver! We purchased a new treadmill about 10 days ago and this started happening from the beginning. As someone in comments mentioned, I thought I was too heavy so that's why that's happening. I looked at the menu that came with the treadmill, zero info on slipping and how to fix it. I thought we will have to return the damn thing and then I decided to look up "treadmill slipping" on youtube. THANK YOU!

I really appreciate you posting this video! I was about to give up on my treadmill and I love it. So thanks for sharing your wisdom!

Thanks for the vid. I just got a treadmill from a friend and it was slipping. I had no clue what was going on and felt my excitement slipping as well. When you did the arm test and then tightened yours with an allen wrench it blew my mind. I tried putting my arm under the belt and I was able to poke my fingers through the other side! After a couple quarter turns it was perfect. Thank you.

Omg, this video was a lifesaver. My wife and I could not figure out why our belt was drifting to one side of the frame. Thanks to this video, problem solved! Thanks!

I haven't ran on my treadmill yet after tightening it with an allen wrench, but I'm pretty sure this will fix my issue. Saved me an hour wait time on the phone with Nordic Track. Thank You, Great Video!

All this time I thought my treadmill was history....thank you so much for sharing! Fixed it easily and am ready to run again...thank you!!!

Thank you so much. Your videos answered my questions on lubricating, stopping slipping and fixed my squeak. Great!!

Thank you very much for this! It's been driving me insane for ages, this is really useful

Excellent video, we bought the same treadmill shown in your video and from the beginning the belt slipped…and then I happened across your vid and had no idea that it could be adjusted or tightened…now it works beautifully. Thanks so much!

darn...two different videos with repairs of bike and now treadmill...you are one smart cookie

Thank you! You saved me tons of money with this video. I've had my treadmill for about 5 years and it just started slipping recently. I never even knew you could tighten the belt. Everyone I asked about it told me the only remedy was buying a new one. I tightened the bolts and BAM that did the trick!

This was a very helpful video. My tread belt is slipping, so now I know how to check & fix it

Thanks a ton dear, earlier was just playing balance game on treadmill for the last 6 months.., today did 5 kms with ease and comfort in 30 minutes.. Millions of thanks👌👍✨

Thank you so much! Just bought a Carl Lewis second hand for £50 and it was slipping, not anymore thanks to you! 👍🏻👍🏻

This helped me so much! I´m in lockdown for 3 weeks already and the treadmill stopped working, you saved my workouts! Thank you!!

Thanks so much you saved my treadmill. Had no idea you had to do maintenance on them. Now it works like new.

omg this is totally great I just fixed mine and now I can workout again. woot thank you ever so much RJ

Thanks for all the Sole maintenance vids. Just picked up a F63 and the belt slips. Hoping to get it running in top shape!

This helped a LOT! My belt kept slipping and I wasn't sure what the problem was, but you explained things very succinctly and I appreciate it. Thank you!

I fixed mine after watching your video. Thank you so much!

Sincerely helpful. Much appreciated. Fixed the slip that was giving me knee pain.

great video, had a problem with my treadmill and after watching 12 videos all wanting me to take my treadmill apart, this video showed me i can fix it really simply

THANK YOU!!! This has been amazingly helpful! :D :D :D We were able to adjust our rear roller and tighten the belt! Thanks and keep up the great job!

Thanks for the video. Easy to follow. My treadmill has been stopping so I will try your instructions and see if it works. Thanks!!!!

Screws for me didn't know they did that. Great quick vid, thanks for your help !

we have the same model. just reviewing the comments makes me happy. yesss!!

Superb completely transformed my home experience on Domyos T520b. Thanks

thanks. the two holes on the end fixed it for me!

EXCELLENT! Thanks for the video & tips

you the man, just bought a walking pad & was stuttering/slipping like crazy after I finished lubricating it & re-aligning. I didn't think it was loose because it felt tight, but who knows because it is a Walkling pad & not a treadmill being much smaller. I tried your tightening method & completely fix my issue, I thought I bought a broken machine lol,,, THANK YOU!

I just bought a used treadmill for $ 50 . after I tried the belt was slipping . Was very sad that i collected someones rubbish. After watching your video fixed the belt. Its running good . Very happy . Thanks for sharing such a video.👍👍👍👍

Excellent video! thank you for sharing!

Very much appreciated RJ! Informative and very helpful tutorial! God bless & good luck!

What a lifesaver! Thank you so much!

Thank you so much! Such a simple fix.

That was very helpful. Thank you so much

Thank you very much, concise, informative, I appreciate it got my treadmill working properly again.

We had a treadmill from Sears for almost 30 years. Of course, it was rarely used. Not once in those 30 years was it adjusted or lubed, but it worked perfectly when ever someone removed the hanging clothes to use it. I retired 6 years ago and starting using it daily. Finally, after 2 years of heavy use by me, the motor burned out. We got a new cheap "AFG" treadmill from Dick's Sporting Goods in Boston. From day one it turned out to be a LEMON. -Constantly pulling to the right and speeding up/slowing down. I did all the adjustments the manual said to do, and it would work for a few days, until the whole process would start over and over again. No one in my family would use it, which was a blow to my ego because I was constantly telling them, "I fixed it." This went on over a year -again because of my ego, so the warranty was voided. Finally, I decided, that THIS ENDS NOW!!! So I took over 2 hours vacuuming it out, applying belt dressing to the motor drive belt, adjusting the motor drive belt, recalibrating the speed, lubing the running belt and convincing myself that it'd work better if I wiped the whole thing down with those alcohol wipes -hee hee-(not kidding). So, I get on it thinking I've done all I can, and IT LITERALLY TRIES TO KILL ME. It immediately starting speeding/slowing and I had to FIGHT LIKE HELL to stay on!!! This was the first time I had to pull the "Safety" plug to stay alive!! I was LIVID!! I was at my wits end, so I decided to find a repairman. The only guy we found wanted $125 just to show up!!! I know he would've just done the same things I did and tell me "it's fixed." It'd work for a few days until it became "possessed" again and I'd even be MORE upset thinking the next step would be to call a Priest. That's when I decided to examine the motor which always seemed fine. I removed it from the chassis......and get this......IT WAS MISSING ONE OF THE 2 SCREWS underneath that holds it to the frame!!!!! So that means all the tightening of the motor belt I was doing was only causing it to pull harder on the left side of the front rolling belt which made it act like a fulcrum and pull the running belt hard to the right over time!!!! And to add insult to injury, there was a SIGNED inspection sticker RIGHT NEXT TO THE MISSING SCREW!!! UGH!!! So now to find a properly threaded screw to make up for the missing one. This was harder than it sounds because it had to be very short so as not to puncture the interior of the motor casing. I got lucky with a hacksaw, but it took a few tries. Sooooo now, everything works great!! The running pad still pulls to the left/right, but I think that's because of all the "rage" tightening I was doing over the years, so I might have warped it. Now I've found if it pulls to the right, just run on that side and it'll go back to the middle quickly.....(pause).....(deep breath).....thanks for listening......

Thank you for this video. You might be interested in another source of belt slipping which I have just fixed. I found that both little bolts which connect the drive belt wheel casing to the running belt roller had both come out. Not sure why, constant pounding I guess. Anyway, thanks again. Videos like this restore faith in the usefulness of the internet.

I just got mine and it had this problem, fixed it right away. Thanks!

Thank you so much. I luckily only had to tighten the bolts. It's fixed now thanks to you.

I was shopping for a new treadmill when I googled the problem on mine and found this. Thank you so much!! I love my TM and can finally use it again and I can cancel the gym membership!! My wallet thanks you!!

Thank you! Turns out my problem was a prior owner of my treadmill had a bolt and washer combo held on wrong, so my motor wasn't aligned and was going to give. Caused the treadmill to have a belt slip. Seemed properly securing the bolt and tightening the belt helped. I was afraid I would have to replace a part, and while that isn't an issue, losing out on precious cardio / usage is. Nonetheless, thank you for the informative video!

This worked! Thanks so much! 2 thumbs up !

this really helped me, thank you very much 🙌👌

Thanks! I have a sole as well, and my belt is slipping now. This was the perfect video for me!

Very useful, i had thought it was just slippery because I had put polish on it when cleaning, not the case, when i did the hand test under the belt it was very loose, took 1 minute to rectify, thanks so much.

Nice one mate. Your solution has worked.

Worked like a charm. Thank you.

Still relative today! Thank you so much!

You are a genius you just solve a major problem thank you very much Sir. continued success

Great video! Can’t wait to fix my treadmill tomorrow, its not very fun to run on a belt that slips.

Thanks for the video. Fixed my slipping issue - just had to tighten the belt.

What a great instructions, thanks a lot!

This fixed my treadmill as well. Thank you!

quick and to the point. Thank You!

Thanks, pal. Even though the culprit of my treadmill slipping its belt was different, your video pointed me in the right direction. The belt adjusters were at different positions and needed to be realigned. Thankfully, the from pulleys have a kind of a cone variator at the front, so you can see how much it slides to left or right. At lower speed, you can adjust the tighteners and watch the belt moving ever so slightly to the centered position. Also, your lubricate video is already saved for a future use. Thanks again.

Great video this is so helpful.

Thanks for the help!

Thanks. My problem fixed. I had bought a new treadmill and my treadmill belt was loose. now its ok😌

I wish I could have found your video on lubricating a treadmill a couple of years ago. I was given a used treadmill that had a slipping problem. It was obvious that the tread was loose and I was able to tighten it but it still slipped. I had no idea about what else to check and ended up taking the thing to the county dump. Oh well, what can you do. Live and learn!

Thank you, my treadmill belt is trashed but that seems to be the only major problem. The treadmill was $20 so I figured it'd be worth seeing if I could get it running well. Belt will be here in about 3 days. I wouldn't have thought to lube the belt after installing it.

Sorted my treadmill out with 2 turns of an Allan key, thanks treadmill guy 👍🏾😁

I have the F 80 I love it I had that same problem. Your videos are good thank you

Thank you so much, this was very helpful

Thank you for this. Very helpful 🙌🏾

This helped me fix my 10 year old treadmill thank youu!

Great video!! Saving my treadmill!! 😊

You're the BEST. Thank you so much!

Thanks dude! Big thumbs up!

Thanks so much for this information. I thought we had to get rid of our treadmill.

thank you! it was very helpful.

You saved my LIFE! Thank you so much !!!

Thanks!!! Great video.

Good work, saved a treadmill from the skip - thank you !

Thank you!!! belt went slack midway through a run and I almost had to look up a different kind of “how to fix” video.

this just helped me fix my issue in 5 minutes, thanks!

Excellent! Thank you for the tip!

thank you so much you saved my day with this little video sir, I really appreciate you

Dude, you just saved my tready! Thanks, bro!

Very helpful. Thank you.

Very well done video!! Thank you

Tightened it up and problem solved. Thanks!

Wow i just fixed it Thank you for your video

Legend!!! Thanks so much - fixed!

Thank you very much , it's really helpful .

me fue de gran ayuda acabo de comprar una y tenia ese problema....thanks

Thanks for the tips!!

Thank you so much for this video!!!!

Thank you so much hun im going to check all this asap

GREAT VIDEO VERY EDUCATIONAL