Treadmill: Why is my treadmill's walking belt slipping?
A damaged or loose walking belt will slip on the front roller. A bad bearing on a roller can cause the roller to bind and the walking belt to slip.
Check both rollers to make sure that they spin freely. If a roller binds up because its bearing is bad, replace the roller.
Check the walking belt for tears and replace the belt if torn or damaged.
Check walking belt tension by lifting the middle edge of each side of the belt. You should be able to lift the belt's edge up 2-3 inches above the walking board. Tighten belt tension if you can lift the edges of the walking belt more than 3 inches.
THESE REPAIRS MAY HELP SOLVE YOUR TREADMILL PROBLEM
Replace the treadmill walking belt
The walking belt rotates rubs over the platform while walking which can wear and cause the walking belt to slow down when walking. Replace the walking belt when worn or damaged.
Treadmill walking belt
How to replace a treadmill walking belt
If your treadmill walking belt sticks, the belt could be worn. This repair guide and video show how to replace a treadmill walking belt with step-by-step instructions.
Replace the treadmill roller
The walking belt fitted and tensioned between the front and rear belt rollers can wear and become noisy. Replace the belt roller when it becomes worn and noisy.
Treadmill roller
Symptoms for treadmills
Choose a symptom to see related treadmill repairs.
Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…
Main causes: rear roller out of alignment, damaged walking belt, bad roller…
Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…
Main causes: faulty sensors, wiring failure, bad control console…
Main causes: bad control console, wiring failure, bad motor control board…
Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…
Main causes: damaged walking belt, improper belt tension, bad roller bearing…
Repair guides for treadmills
These step-by-step repair guides will help you safely fix what’s broken on your treadmill.
How to replace a treadmill motor controller
Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…
How to replace a treadmill walking belt
A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…
How to replace a treadmill drive motor
A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…
Effective articles & videos to help repair your fitness & exercise
Use the advice and tips in these articles and videos to get the most out of your treadmill.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…