Schwinn Airdyne, AD6, Why is there Noise from the Crank or Main Pulley?

Are you hearing noises coming from the main pulley, AKA the crank pulley, on your Schwinn Airdyne AD6 bike? Do you want to know why is there noise?

What type of noise do you hear? Is it a rubbing or squealing noise? Is it a squeaking or creaking? Maybe you are hearing a clunk or clicking noise? Read more about finding the noise and what you can try to fix it.

Tools Needed:

• 14mm Socket and Wrench
• 15mm Open End Wrench
• 10mm Open End Wrench
• #2 Phillips Screwdriver
• Spindle Removal Tool
• 4mm Hex Wrench
• 6mm Hex Wrench

Troubleshooting Noise from the Main Crank Pulley:

You will need to begin by removing the shrouds to gain access to the pulleys. Remove the batteries and let the unit sit for 5 minutes.

• Click here to learn how to remove the shrouds from your Schwinn Airdyne AD6.
• After removing the shrouds, you will inspect the main pulley. The main pulley (crank pulley) is the large pulley where the connector arm mounts. This pulley has a cogged or toothed belt. Inspect the pulley for damage. Look to see if the pulley is rubbing on any other parts of the bike.
• If damage exists or the issue continues, replace the crank pulley. You need the spindle removal tool to replace the crank pulley.

If you still have issues with noise after replacing the main pulley (crank pulley) on your Schwinn AD6, click the link below that is an area of noise you want to learn about. The next most likely suspect for noise is the idler pulley or the bearings of the crank pulley and frame (parts are not replaceable).

Click here to read why your Schwinn AD6 is making a weird noise.

Click here to learn about noise issues from the crank and pedal connection.

Click here for help with noises from the idler pulley.

Click here to read more about noises from the bearings, crank pulley and frame (parts are not replaceable).