Lack of lubrication on pivot points can cause the elliptical to make squeaking noises. Apply a thin coat of all-purpose grease to pivot points on the pedal arms and handle bars to eliminate squeaks. Lubricate all moving parts during routine maintenance to prevent squeaks.
These repairs may help solve your elliptical machine problem
Lubricate the elliptical
Lubricate the pivot points if they begin to squeak. Remove the screw and covers from the upper body handles and pedal arms. Remove the handles, pedal arms, and lubricate the shafts with all-purpose grease or with the grease supplied with the elliptical.
Perform elliptical maintenance
Inspect and tighten all parts of the elliptical regularly. Replace any worn parts immediately. Lubricate all moving parts using all-purpose grease. Replace the battery if it's weak or dead.