The squeak radiates throughout the machine making it difficult to detect. Tried greasing the rollers with white lithium grease but no luck. Loud squeak may be coming from the front of the machine.
I have found a possible source for your squeak. I have the same elliptical and had an annoying squeak in the front end of the machine. The squeak could be coming from the roller arm flex bracket and/or the pedal arm flex bracket. These brackets are secured to the front of the roller arms and the pedal arms with a single bolt. Tightening these bolts may help get rid of the squeak. If you don't have your manual, you can download the manual at the nordictrack website. The manual will have an exploded drawing of the elliptical. The roller arm bracket and the pedal arm bracket are numbered 135 and 136 and you will see which bolt I am talking about. I have had numerous issues with my elliptical but after changing some parts under warranty, it is working like new. Good luck.
SOURCE: The rear roller appears to be making noise as if
Pretty much the bearings have flatten if you are getting a clunking sound these are normally sealed bearings and it is better to replace the roller. Call Icon Fitness @ 1-800-999-3756
SOURCE: Squeaky treadmill
If this is actually emanating for the running belt then their is too much tension on the belt at the end of the belt their are two holes this is where you adjust the tension by using a 1/4" Allen wrench. start unit run it at about 3.0 mph turn the wrench 1/4 rotation at a time counter clockwise on each bolt until the groaning stops know if the belt slips at this point then the belt has been stretched and a new belt maybe required. On the lubrication you will need silicone lube and that can be purchased at iconfitness.com
SOURCE: Pulley slipping on front roller
Since the drive pulley is slipping on the roller itself, then the front roller will need to be replaced.
SOURCE: The back roler is making a very loud vibrating
Best way to check the roller to see if the bearings have failed is using a long shafted flat tip screw driver and place it on the end on the adjusting bolt. Then put your ear on the handle and listen, if the sound has amplified then the roller is defective and needs replacing. If not then check the front roller the same way because sound travels thru the frame and the problem maybe originating their. Call Icon Fitness to order part their is 1-800-999-3756.
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Detach
the ends of the pedals from the crank axles. Spread a layer of
machine grease over the crank axles, then reattach the ends of the
pedals.
2
Remove
the bolts connecting the pedals to the swing arms. Detach the pedals
from the arms, then spread a layer of machine grease over the axles
on the swing arms. On some models, the bolts may also serve as the
axles. Reattach the pedals to the arms.
3
Remove the bolts connecting the swing arms to the elliptical's upright. Detach the swing arms from the upright, then spread a layer of machine grease over the axles on the upright. Reattach the arms to the upright.
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