It could be a loose walking belt, loose drive belt.
or your belt and deck could need lube.
My video on Treadmill maintenance and How to adjust a rear roller could give you a better and easier clue to your problem.
You can also email me, markepeterson@austin.rr.com
Im a 23 year veteran certified service tech for exercise equipment.
www.mindbites.com/person/214-Mark
Mark Peterson
February 2008
howtomendit.com for free repair help, information and advice.
