The McLeod [paid link] rear shock from Manitou is known for its smooth performance and durability, making it a popular choice for road cyclists and mountain bikers alike. However, like any suspension component, it requires periodic maintenance to ensure it operates at its best. Servicing the McLeod [paid link] rear shock on your own may seem daunting, but with the right tools and a bit of patience, it’s entirely possible to keep your shock in optimal condition. This guide will walk you through the necessary steps to service your McLeod rear shock, from basic maintenance to troubleshooting common issues.

Tools Required

• McLeod shock service kit (includes seals, oils, and necessary parts)
• Torque wrench [paid link]
• Shock pump
• Clean rags
• Isopropyl alcohol
• A 3mm Allen wrench [paid link]
• 5mm Allen wrench [paid link]
• Needle-nose pliers
• Oil drain pan
• Small brush (for cleaning)
• Latex gloves (for handling oils and lubricants)

Disassembling the McLeod Rear Shock

Before you begin, make sure the shock is removed from the bike. Follow these steps to safely disassemble the shock for servicing:

1. Remove the shock from the frame: Use a 5mm Allen wrench to remove the bolts holding the shock to the frame. Be cautious when removing it, as the shock may be under slight tension from the suspension system.
2. Prepare your workspace: Place a clean rag on your work surface to protect your shock and the surrounding area. It’s important to work in a clean environment to avoid contaminating the internal components with dirt or debris.
3. Remove the air spring cap: Use a 3mm Allen wrench to unscrew the air spring cap. This will allow you to access the internals of the shock, including the air chamber.
4. Release any residual air: Before disassembling further, use a shock pump to release any remaining air from the shock’s positive and negative chambers. This prevents any unexpected pressure buildup when opening the shock.
5. Drain the shock oil: Hold the shock with the damper side facing down. Use a small oil drain pan to catch the shock oil as you unscrew the lower section of the shock body. This step is crucial for cleaning out the old oil and replacing it with fresh fluid.

Cleaning and Inspection

Once the shock is disassembled, it’s time to clean and inspect all components. Proper cleaning ensures the longevity of your shock and prevents future performance issues.

1. Clean the shock body and internals: Use isopropyl alcohol and a clean rag to wipe down the shock body and remove any dirt or grime. Pay special attention to the shaft, seals, and shock body, as these areas are most prone to dirt accumulation.
2. Inspect the seals: Carefully inspect the seals and o-rings for wear and damage. Any worn or torn seals should be replaced immediately to prevent air and oil leaks. If you find any issues, use the McLeod shock service kit to replace the seals.
3. Check the damper cartridge: If your McLeod shock has a separate damper cartridge, inspect it for any visible damage or signs of leakage. If there is any oil residue around the damper area, it may need to be replaced or serviced.
4. Inspect the air chamber: Examine the air chamber for any signs of wear or leakage. If you notice any damage, the shock may need to be serviced by a professional.

Reassembly and Reinstallation

Once all parts are clean and inspected, it’s time to reassemble the shock. Follow these steps to ensure a proper reassembly:

1. Reinstall the seals: Use the new seals provided in the McLeod service kit to replace any damaged or worn seals. Make sure to apply a light coating of oil or grease to the seals before installation to ensure they slide into place without damage.
2. Add fresh shock oil: Pour the recommended amount of fresh shock oil into the shock body. Be sure to use the type and weight of oil specified by Manitou to maintain proper performance. Once the oil is in place, screw the lower shock body back onto the main shock assembly.
3. Reinstall the air spring cap: Carefully screw the air spring cap back onto the shock, ensuring that it is securely tightened. Be mindful not to overtighten, as this can cause damage to the threads.
4. Reinstall the shock onto the bike: With the shock reassembled, it’s time to reinstall it onto the bike. Line up the mounting holes and use the appropriate bolts to secure the shock to the frame. Tighten the bolts with a torque wrench [paid link] to the manufacturer’s recommended settings.

Adding Air and Adjusting Pressure

With the shock back on the bike, you’ll need to adjust the air pressure to your desired settings. Proper air pressure is critical to achieving the right balance between comfort and performance.

1. Check your rider weight: Consult the McLeod shock user manual for recommended air pressure based on your weight. This will give you a starting point for adjusting your shock.
2. Use a shock pump: Attach a shock pump to the valve and gradually add air until you reach the recommended pressure. Make sure to check the pressure with a digital gauge for accuracy.
3. Fine-tune the pressure: Once you have the recommended pressure, take the bike for a test ride. Pay attention to how the shock feels under different riding conditions. Adjust the air pressure as needed to fine-tune your shock’s performance.

Troubleshooting Common Issues

During regular use, the McLeod rear shock may encounter certain issues. Here are some common problems and how to troubleshoot them:

1. Lack of rebound control: If you notice the shock’s rebound isn’t functioning correctly, it could be due to low oil levels or a damaged damper. Ensure the oil is at the correct level, and inspect the damper cartridge for any issues.
2. Loss of air pressure: If the shock loses air pressure quickly, there may be a leak in the air spring. Inspect the air valve, seals, and air chamber for any visible damage. If necessary, replace the seals or have the shock serviced by a professional.
3. Squeaking or stiction: If the shock is making noise or feels sticky, it could be due to contamination or dried-out seals. Clean the shock thoroughly and replace any seals that show signs of wear.
4. Poor performance or bottoming out: If the shock bottoms out too easily, you may need to adjust the air pressure or increase the shock’s compression damping. Refer to the user manual for guidelines on adjusting compression settings.

Customization and Optimization

To further optimize the performance of your McLeod rear shock, consider making adjustments to its settings based on your riding style and terrain.

1. Adjusting the rebound: If your shock feels too bouncy or too stiff, adjusting the rebound can help fine-tune its performance. Turn the rebound knob to achieve a faster or slower rebound depending on your preferences.
2. Fine-tuning compression settings: If your shock feels too soft or too firm, adjust the compression damping to suit your riding style. Stiffer compression is ideal for aggressive riders, while a softer setting is better for smoother rides.
3. Spring rate adjustment: Depending on your weight and riding style, you may want to adjust the spring rate by changing the air pressure or swapping the spring for one that better matches your needs.

Conclusion

Servicing the McLeod rear shock from Manitou doesn’t require a mechanic if you follow these steps carefully. By disassembling, cleaning, inspecting, and reassembling your shock, you can keep it performing at its best without professional help. Troubleshooting common issues and making adjustments to suit your riding style ensures that your shock operates smoothly and provides the best possible ride. With regular maintenance, your McLeod rear shock will continue to deliver top-notch performance for many rides to come.