2010 Harley-Davidson FLHX Street Glide — Common Issues & Known Problems
Known Issues & Owner Reports
These are the most commonly reported issues and concerns from owners, mechanics, and community forums for the 2010 Harley-Davidson FLHX Street Glide.
ABS Hydraulic Control Unit (HCU) Failure
HighMoisture in the brake fluid causes valves to stick, resulting in a hard brake lever or total loss of braking.
Excessive Engine Heat
MediumThe catalytic converter is located in the header pipe near the rider's right leg, causing discomfort in traffic.
Fuel Tank Mount Leak
HighFront fuel tank mounts could distort during a collision, leading to potential leaks at the weld.
Rear Brake Light Switch Failure
MediumExhaust heat can cause the rear brake light switch to fail or leak fluid.
Used Buying Inspection Checklist
What to look for when buying a used 2010 Harley-Davidson FLHX Street Glide.
ABS Service Records
Verify fluid was flushed every 2 years; lack of service can lead to a $1,000+ ABS module replacement.
Exhaust Heat Shields
Check for bluing or rattling, which can indicate the catalytic converter is running excessively hot or the mounts are cracked.
Inner Primary Bearing
Listen for a whirring noise in neutral that disappears when the clutch is pulled; common failure on high-mileage Twin Cams.
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