How to Rebuild Your Float X Factory Rear Shock at Home

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Rebuilding the Float X Factory [paid link] rear shock from Fox at home is a cost-effective way to ensure your bike performs at its peak [paid link]. This process may seem intimidating, but with the right tools, proper instructions, and a bit of patience, you can maintain and service your shock yourself. In this guide, we will walk you through the steps to safely and efficiently rebuild your Float X Factory [paid link] rear shock, covering the necessary tools, disassembly, cleaning, reassembly, and troubleshooting tips.

Tools Required

  • Float X Factory Rear Shock Service Kit
  • Torque Wrench [paid link]
  • Shock Pump
  • Allen Wrenches [paid link] (various sizes)
  • 10mm Wrench
  • Snap Ring Pliers
  • Soft Cleaning Cloth
  • Isopropyl Alcohol
  • Latex Gloves
  • Suspension Grease
  • Shock Oil (specific to Fox Float X)
  • Needle Nose Pliers
  • Rebuild Oil (specific to the Float X Factory shock)

Disassembly of the Float X Factory Rear Shock

Before starting the rebuild, it’s essential to disassemble the Float X Factory rear shock properly to avoid damaging the internal components. Follow these steps:

1. Remove the Shock from the Frame

  • Use an Allen wrench [paid link] to remove the mounting bolts holding the shock to the frame. Be sure to keep track of any washers, bushings, or other hardware.
  • Gently remove the shock from the frame, taking care not to damage the shock body or any surrounding components.

2. Remove the Air Sleeve

  • Once the shock is removed, use the appropriate tool to remove the air sleeve from the shock body.
  • Carefully inspect the o-rings on the air sleeve. If they appear worn or damaged, replace them immediately.

3. Disassemble the Damper

  • Using the correct tools, unscrew the damper valve from the shock body. Ensure you keep the parts in order so they can be reassembled properly.
  • Remove any retaining clips and bolts that are securing the damper assembly in place. Take note of the orientation of parts during removal.

4. Remove the Piston Assembly

  • After the damper has been removed, use snap ring pliers to extract the snap ring securing the piston in the shock body. Gently pull out the piston assembly and place it aside.
  • Take extra care not to scratch or damage the shock body during this step.

5. Inspect All Internal Components

  • Inspect the shock body, damper, piston, and all seals for wear or damage. Look for oil residue, dirt, and signs of excessive wear. Replace any worn parts before reassembly.

Cleaning the Components

Proper cleaning of the internal components is crucial to ensure optimal performance and longevity.

1. Clean the Shock Body

  • Using a soft cloth and isopropyl alcohol, wipe down the interior of the shock body. Be thorough to remove any dirt or debris that may have accumulated during the ride.

2. Clean the Damper and Piston

  • Clean the damper assembly and piston with isopropyl alcohol and a soft cloth. Pay attention to the seals and ensure that no debris remains that could cause friction or damage during reassembly.

3. Inspect and Clean the Air Sleeve

  • Inspect the air sleeve for any signs of wear or damage. Clean the inside of the air sleeve using a soft cloth and alcohol, ensuring that it is free from dirt, oil, and grime.

Rebuilding the Float X Factory Rear Shock

1. Install New Seals

  • Begin by installing new seals on the damper assembly. These seals are crucial to prevent air and oil leaks and to maintain performance.
  • Apply a small amount of suspension grease to the seals before installation to ensure a smooth fit.

2. Reassemble the Piston and Damper

  • Carefully reinsert the piston into the shock body. Ensure that the piston is properly aligned with the damper tube.
  • Reinstall any snap rings or retaining clips that were removed earlier, ensuring they are securely in place.

3. Reassemble the Air Sleeve

  • Once the damper and piston are back in place, slide the air sleeve back onto the shock body.
  • Carefully align the air sleeve with the shock body and apply a thin layer of suspension grease to the o-rings to ensure a smooth seal.

4. Reinstall the Shock Valve

  • Reattach the shock valve to the damper assembly, making sure all bolts and fasteners are torqued to the manufacturer’s specifications. Double-check that all parts are aligned correctly before tightening.

5. Fill the Shock with Oil

  • Fill the shock with the appropriate oil (specific to the Float X Factory model). Refer to the service manual for the exact oil type and quantity. Ensure that the oil is evenly distributed and that no air bubbles remain.

6. Reinstall the Shock Eyelet Seals

  • Install new shock eyelet seals at both ends of the shock. These seals help maintain the shock’s air pressure and prevent leakage. Lubricate the seals lightly with suspension grease before installation.

7. Reinstall the Air Sleeve O-rings

  • Before sliding the air sleeve into position, install new O-rings to ensure a tight seal. Apply suspension grease to the O-rings for smooth operation.

Reinstalling the Shock on the Bike

Once your Float X Factory rear shock is rebuilt, it’s time to reinstall it on your bike.

1. Mount the Shock

  • Align the shock with the frame and secure it in place using the mounting bolts. Ensure that the shock is aligned properly before tightening the bolts to the manufacturer’s torque specifications.

2. Reinflate the Shock

  • Use a shock pump to adjust the air pressure to your desired settings based on your rider weight, riding style, and personal preferences. Typically, the recommended air pressure can be found in the shock’s manual.

3. Perform a Quick Function Test

  • Before taking the bike out for a ride, perform a quick function test by pressing down on the saddle or rear triangle. This will help you determine if the shock is functioning smoothly and if there are any issues with the rebound or compression settings.

Troubleshooting Common Issues

1. Shock Sticking or Not Moving Smoothly

  • This could be due to dirt or debris trapped inside the shock body. Ensure the shock has been cleaned thoroughly. If the issue persists, check if the seals are damaged and replace them if necessary.

2. Air Leaks

  • If you notice air leakage from the shock, inspect the air sleeve o-rings and shock seals. Leaking air is usually caused by damaged seals, so replacing them is essential.

3. No Rebound or Compression Damping

  • If the shock fails to provide rebound or compression damping, the damper assembly might be improperly assembled or require additional oil. Check for correct assembly and oil levels.

4. Excessive Sag

  • Excessive sag can indicate insufficient air pressure or an issue with the shock’s internals. Double-check the air pressure and ensure the shock’s oil level is correct. If sag persists, the shock may need further inspection or servicing.

Final Thoughts

Rebuilding the Float X Factory rear shock at home is a rewarding process that can extend the life of your shock and improve your bike’s performance. By following the proper steps for disassembly, cleaning, reassembly, and troubleshooting, you can ensure that your rear shock remains in top condition for many rides to come. Regular maintenance of your shock, combined with attention to detail during the rebuild, will optimize its function, keeping your rides smooth and comfortable.