Troubleshooting & Fixing a Sticking Accelerator: A Load Cell Pedal Guide
There is nothing more frustrating than coming off the throttle for a heavy braking zone only to realize your accelerator pedal is physically sticking. For those with Fanatec ClubSport Load Cell pedals or similar, this friction usually stems from a buildup of dust, hair, or degraded factory grease in the pivot points.
If you have found that it's difficult to slow down leading into a turn because your pedal is sticking, you most likely need some quick maintenance.
Here is how to clean and fix a sticking accelerator pedal on your sim rig.
Recommended Tools:
- Isopropyl Alcohol (70% or higher): For breaking down old grease.
- Microfiber Cloth or Cotton Swabs: To reach into the pivot housing.
- Compressed Air Gun or Dust-off: Perfect for agitating and lifting surface-level grit.
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Dry PTFE Lubricant or Lithium Grease: Avoid WD-40, as it can attract more dust over time. A "dry" lubricant is usually best for sim racing environments.
Step 1: Visual Inspection
Before you start turning bolts, grab a flashlight and get a close look at the pedal base and pivot points.
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Look for Gunk: Check the areas where the pedal arm enters the base. You’re looking for dark, sticky residue—usually a mix of old factory grease and household dust/pet hair.
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Check the Spring: Look inside the return spring assembly for any debris that might be physically blocking the travel.
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Manually Test: With your rig powered off, press the pedal slowly. Does it stick at the top, bottom, or throughout the throw? If it’s only at the very top, the issue is likely right at the pivot.
Step 2: Non-Invasive Cleaning
If you spot dirt or hair, try to clear it without taking anything apart.
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Agitate: Use your rechargeable air gun with the brush attachment to sweep the pivot area. The brush is key here—it vibrates the dust loose so the air can carry it away.
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Blast: Use canned air with the straw attached to fire high-pressure bursts directly into the pivot bushings and the spring housing.
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Wipe: Clean any visible residue from the outside of the pedal arm with a cloth and a bit of isopropyl alcohol.
Step 3: Lubrication (Quick Fix vs. Long Term)
If the pedal is still slightly "crunchy," it’s time to lubricate the pivot.
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Quick Fix(WD-40): If you're in a hurry to get back to a race, a quick shot of WD-40 into the pivot can act as a solvent to break down the sticking gunk instantly. Just be sure to wipe away any excess so it doesn't attract more dust.
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The Proper Fix (PTFE/Lithium): If you have a few minutes, apply a "dry" PTFE lubricant. These are designed to provide a slick surface without staying wet or sticky.
Note: Take care to not too much grease or lubricant to avoid it leaking out onto areas where you rest your feet. Always make sure to clean up any overspray or excess, as this will cause your pedals to become extra slippery.
Step 4: Disassembly (The Last Resort)
If you’ve cleaned the exterior and applied lubricant but the pedal still hangs, the debris is likely deep inside the pivot pin or a washer has become damaged.
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Remove the Pivot Bolt: Use your Allen keys to unscrew the main bolt at the base.
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Slide the Pin Out: Keep track of the plastic spacers; these prevent side-to-side play.
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Deep Clean: Now that it’s apart, use isopropyl alcohol to get the pivot pin and the internal bore of the pedal arm completely shiny before reassembling with a fresh dab of grease.
Final Calibration
Whenever you service your pedals, always make sure to launch your brands Control Panel and rerun the manual calibration process.
Testing
After completing all of the above steps and your pedals feel much more responsive and not sticking, jump into a test session on your sim and verify that the pedals are returning to the expected values using your in-game telemetry.
