You may look for YT videos for that model.. Many Warn videos, from small to large truck winches, are out there on disassembly, repair, maintenance and greasing the internals. Periodic gear grease application will help prevent water intrusion and internal rusting.
Badlands 5000 winch won't freespool, the most likely culprits are a faulty freespool clutch mechanism, a problem with the cable drum bearings, a worn-out clutch engagement lever, or a potential electrical issue with the winch control switch; check these components and ensure they are functioning properly, and if necessary, consult the winch manual for specific troubleshooting steps.
Here are a few things to check:
Check the freespool lever:
Make sure the freespool lever is fully engaged in the freespool position.
Inspect for any damage or wear on the lever itself.
Inspect the clutch mechanism:
Check for any debris or dirt that may be interfering with the clutch engagement.
Verify that the clutch plates are not worn or damaged.
Examine the cable drum bearings:
Listen for any unusual noises while rotating the cable drum, indicating worn bearings.
Check for excessive play in the drum.
Check the electrical connections:
Ensure all connections to the winch motor and control switch are clean and tight.
Verify the winch control switch is functioning properly.
Check the winch cable:
Inspect the winch cable for any damage, kinks, or fraying
Example
Freespool fix
How to Maintenance your ATV winch
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