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2008 HARLEY-DAVIDSON Flhtcu

Owner reports · Recalls · Investigations

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There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

70 reports with mileage · 11 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes. Review the 30 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports1 fire reports6 injury reports

Service Brakes complaints

30 reports
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44,000 miles · Aug 29, 2016
Service Brakes

WHEN CITY DRIVING AT 25 MPH ON DRY PAVEMENT, AS YOU ARE APPROACHING A STOP SIGN AND APPLYING THE REAR BRAKES IF YOU HIT A SMALL BUMP, THE ABS SYSTEM RESTRICTS YOUR BRAKING ABILITY AND THE MOTORCYCLE WILL ROLL INTO THE INTERSECTION BEFORE STOPPING. THIS HAS HAPPENED NUMEROUS TIMES OVER THE PAST TWO YEARS THAT I HAVE OWNED THIS BI…

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WHEN CITY DRIVING AT 25 MPH ON DRY PAVEMENT, AS YOU ARE APPROACHING A STOP SIGN AND APPLYING THE REAR BRAKES IF YOU HIT A SMALL BUMP, THE ABS SYSTEM RESTRICTS YOUR BRAKING ABILITY AND THE MOTORCYCLE WILL ROLL INTO THE INTERSECTION BEFORE STOPPING. THIS HAS HAPPENED NUMEROUS TIMES OVER THE PAST TWO YEARS THAT I HAVE OWNED THIS BIKE.

NHTSA ODI #10899229

64,000 miles · Aug 6, 2016
Service Brakes

REAR BRAKE LINE WAS WORN THRU AND LOSS OF BRAKE FLUID AND USE OF REAR BRAKE. THE FAILURE WAS DUE TO THE CLUTCH CABLE IN CONTACT WITH THE REAR BRAKE LINE. THE VEHICLE HAD 64,000 MILES AT THE TIME OF THE INCIDENT. THE FAILURE WAS WHEN APPROACHING A RED TRAFFIC LIGHT AND I WAS TO MAKE A RIGHT TURN. THE STOP WAS MADE USING THE F…

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REAR BRAKE LINE WAS WORN THRU AND LOSS OF BRAKE FLUID AND USE OF REAR BRAKE. THE FAILURE WAS DUE TO THE CLUTCH CABLE IN CONTACT WITH THE REAR BRAKE LINE. THE VEHICLE HAD 64,000 MILES AT THE TIME OF THE INCIDENT. THE FAILURE WAS WHEN APPROACHING A RED TRAFFIC LIGHT AND I WAS TO MAKE A RIGHT TURN. THE STOP WAS MADE USING THE FRONT BRAKE.

NHTSA ODI #10893714

35,102 miles · Jul 12, 2016
Service Brakes

TL* THE CONTACT OWNS A 2008 HARLEY-DAVIDSON FLHTCU MOTORCYCLE. WHILE DRIVING APPROXIMATELY 50 MPH, THE FOOT BRAKE PEDAL WAS APPLIED AND THE VEHICLE CONTINUED TO ACCELERATE. THE FRONT BRAKE WAS ENGAGED IN ORDER TO COME TO A COMPLETE STOP. THERE WAS NO BRAKE FLUID VISIBLE ON THE GROUND. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT…

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TL* THE CONTACT OWNS A 2008 HARLEY-DAVIDSON FLHTCU MOTORCYCLE. WHILE DRIVING APPROXIMATELY 50 MPH, THE FOOT BRAKE PEDAL WAS APPLIED AND THE VEHICLE CONTINUED TO ACCELERATE. THE FRONT BRAKE WAS ENGAGED IN ORDER TO COME TO A COMPLETE STOP. THERE WAS NO BRAKE FLUID VISIBLE ON THE GROUND. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WERE AIR BUBBLES IN THE BRAKE LINES. THE MECHANIC BLED THE FOOT BRAKE LINES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 35,102.

NHTSA ODI #10884386

35,000 miles · Jul 10, 2016
Service Brakes

THE REAR BRAKE WILL LOCK UP FOR AN INSTANT IF YOU ARE APPLYING THE BRAKE AND YOU HIT A BUMP OR OVER A HOLE.

NHTSA ODI #10883854

23,000 miles · Jan 21, 2016
Service Brakes

MY FRONT BRAKE LEVER LOCKED UP! NO FRONT BRAKES!! ABSOLUTELY NO MOVEMENT AT ALL WHEN APPLYING FRONT BRAKE, WITH OR WITHOUT BIKE BEING STARTED! NO ABS LIGHT ON. THE WAY I UNDERSTAND IT (AFTER REVIEWS OF MANY OF THE SAME PROBLEMS WITH BOTH THE FRONT AND REAR BRAKE DOING SAME AS MINE, ON MANY DIFFERENT FORUMS), IT'S DUE TO A DEFECT…

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MY FRONT BRAKE LEVER LOCKED UP! NO FRONT BRAKES!! ABSOLUTELY NO MOVEMENT AT ALL WHEN APPLYING FRONT BRAKE, WITH OR WITHOUT BIKE BEING STARTED! NO ABS LIGHT ON. THE WAY I UNDERSTAND IT (AFTER REVIEWS OF MANY OF THE SAME PROBLEMS WITH BOTH THE FRONT AND REAR BRAKE DOING SAME AS MINE, ON MANY DIFFERENT FORUMS), IT'S DUE TO A DEFECTIVE ABS VALVE MODULE, THAT SHOULD BE RECALLED. AGAIN, THE WAY I UNDERSTAND IT, THE ABS VALVE MODULE IS SUPPOSED TO GO INTO MANUAL MODE AND I WOULD STILL HAVE AT LEAST SOME FRONT BRAKES! I HAVE NOTHING, NONE! NO WARNING LIGHTS COME ON, AND ABS LIGHT OPERATED NORMALLY! BEING A MOTORCYCLE MANUFACTURER, I'VE GOT TO BELIEVE SOMEONE THERE REALIZES THAT THE FRONT BRAKE IS 70% OF A BIKE'S STOPPING POWER.. ARE THEY WAITING FOR A DEATH TOLL SIMILAR TO FIRESTONE/EXPLORER ROLLOVERS, TO BE FORCED TO DO SOMETHING TO PREVENT THE CERTAIN ACCIDENTS THAT WILL CERTAINLY BE CAUSED DO TO THIS?!? THIS OCCURRED YESTERDAY, WHEN I WAS ABOUT TO TAKE THE BIKE OUT OF THE GARAGE. THANK GOD, FROM DRIVING TRACTOR TRAILERS FOR 25 YRS, I'M ANAL ABOUT MY "PRE-TRIP" INSPECTION, AND I DISCOVERED IT THEN, RATHER THAN ON THE ROAD WHEN IT WAS NEEDED!!

NHTSA ODI #10821535

44,000 miles · Oct 2, 2015
Service Brakes

08 ULTRA CLASSIC ANNIVERSARY ISSUE. SAME ABS LOCKUP ON FRONT BRAKES, AS IT WAS MOVED TO OTHER SIDE OF BASEMENT, WHEN I NOTICED THAT I ONLY HAD ABOUT HALF INCH OF MOVEMENT. 3 WEEKS LATER, I GET READY TO RIDE AND THE FRONT BRAKE HAD NO MOVEMENT. TRACED BACK TO ABS MOD. THESE VALVES IN THE MODULE SHOULD NOT LOCK OUT ON A MECHANIC…

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08 ULTRA CLASSIC ANNIVERSARY ISSUE. SAME ABS LOCKUP ON FRONT BRAKES, AS IT WAS MOVED TO OTHER SIDE OF BASEMENT, WHEN I NOTICED THAT I ONLY HAD ABOUT HALF INCH OF MOVEMENT. 3 WEEKS LATER, I GET READY TO RIDE AND THE FRONT BRAKE HAD NO MOVEMENT. TRACED BACK TO ABS MOD. THESE VALVES IN THE MODULE SHOULD NOT LOCK OUT ON A MECHANICAL FAIL, THE SPRINGS SHOULD FORCE THE VALVE SPOOLS INTO OPEN POSITION, PISS POOR MECHANICAL ENGINEERING THAT WILL GET SOMEONE KILLED IF NOT ALREADY HAPPENED. THE ONLY DIFFERENCE BETWEEN THE TWO LEVER TESTS IN THAT 3 WEEKS, I RAN THE MOTOR FOR 10MINS FOR BATTERY CHARGE AFTER I MOVED IT. I DID START IT UP AFTER, THE LOCKED BRAKE, BUT NO CHANGE. I'M LUCKY I CHECKED BEFORE LEAVING HOME BECAUSE MY HOUSE IS ON A HILL. NOW AFTER SEEING HOW DANGEROUS THIS SITUATION COULD BE, I'M THINKING ABOUT HAVING THE ABS SYSTEM BYPASSED, UNTIL THEY MECHANICALLY RE-ENGINEERED THAT DANGEROUS VALVE MODULE. BESIDES, AFTER RIDING FOR 44YRS BEFORE THIS BEAUTY OF A BEAST, I'VE HATED THE ABS SYSTEM FROM THE BEGINNING. THIS IS FROM THE HARLEY FORUM - "THESE "LOCKED PEDAL OR LEVER" ABS MALFUNCTIONS RESULTING IN NO BRAKE ARE GETTING FAR TOO COMMON. PLEASE FILE YOUR EXPERIENCE WITH THE NTSB. THESE ABS MODULES NEED TO BE REDESIGNED AND RETROFITTED AT NO COST BEFORE PEOPLE START GETTING KILLED."

NHTSA ODI #10779228

45,546 miles · May 30, 2014
Service Brakes

WHILE COMING TO A SLOW STOP USING BOTH FRONT AND REAR BRAKES THE FOOT PEDAL FOR THE REAR BRAKES FELT SOFT AND WENT DOWN TO THE FLOOR BOARD. UPON STOPPING THE MOTORCYCLE I NOTICED BRAKE FLUID DRIPPING FROM UNDER THE MOTOR. DURING EXAMINATION I SAW THAT THE REAR BRAKE LINE WAS LEAKING AT THE POINT WHERE THE CLUTCH CABLE CROSSES BE…

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WHILE COMING TO A SLOW STOP USING BOTH FRONT AND REAR BRAKES THE FOOT PEDAL FOR THE REAR BRAKES FELT SOFT AND WENT DOWN TO THE FLOOR BOARD. UPON STOPPING THE MOTORCYCLE I NOTICED BRAKE FLUID DRIPPING FROM UNDER THE MOTOR. DURING EXAMINATION I SAW THAT THE REAR BRAKE LINE WAS LEAKING AT THE POINT WHERE THE CLUTCH CABLE CROSSES BETWEEN THE MOTOR AND THE LINE. THE VIBRATION OF THE MOTOR APPARENTLY CAUSED THE CLUTCH CABLE TO WEAR A HOLE IN THE REAR BRAKE LINE DUE TO THE ROUTING OF THE TWO PARTS. *TR

NHTSA ODI #10595223

21,000 miles · Feb 17, 2014
Service Brakes

WHILE RIDING MY 2008 FLHTCU AT LOW SPEEDS MY FRONT BREAK LEVER BECAME FROZEN IN PLACE, THE LEVER WOULD NOT ENGAGE THE BRAKES AT ALL. THE BIKE DID NOT DISPLAY ANY FAULT CODES. I TOOK THE BIKE TO MY LOCAL DEALERSHIP AND THEY VERIFIED MY ABS MODULE HAD FAILED AND NEEDED REPLACED. MY COMPLAINT IS, THE BIKE WAS IN GOOD MECHANICAL CON…

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WHILE RIDING MY 2008 FLHTCU AT LOW SPEEDS MY FRONT BREAK LEVER BECAME FROZEN IN PLACE, THE LEVER WOULD NOT ENGAGE THE BRAKES AT ALL. THE BIKE DID NOT DISPLAY ANY FAULT CODES. I TOOK THE BIKE TO MY LOCAL DEALERSHIP AND THEY VERIFIED MY ABS MODULE HAD FAILED AND NEEDED REPLACED. MY COMPLAINT IS, THE BIKE WAS IN GOOD MECHANICAL CONDITION AND WITH OUT WARNING I HAD A CATASTROPHIC BREAK FAILURE. I BELIEVE THIS WARRANTS AN INVESTIGATION BECAUSE OF THE NATURE AND IMPORTANCE BREAKS ARE TO RIDING A MOTORCYCLE AND HOW MANY DEATHS ARE DUE TO OR FUTURE ACCIDENTS BECAUSE OF THIS. I HAVE SEEN ONLINE OTHER OWNERS REPORTING THE SAME ISSUE. *TR

NHTSA ODI #10564630

53,912 miles · Nov 6, 2013
Service Brakes

WHILE TRAVELING ON AN INTERSTATE AND EXITING ON THE OFF RAMP, I EXPERIENCED A CATASTROPHIC FRONT BRAKE FAILURE CAUSED BY A MALFUNCTIONING ABS MODULE. THE FRONT BRAKE COULD NOT BE APPLIED. THE BRAKE LEVER WAS FROZEN AS IF IT WERE WELDED IN PLACE.. THERE WAS NO PREVIOUS WARNING PRIOR TO THIS TIME. I WAS ABLE TO STOP THE BIKE U…

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WHILE TRAVELING ON AN INTERSTATE AND EXITING ON THE OFF RAMP, I EXPERIENCED A CATASTROPHIC FRONT BRAKE FAILURE CAUSED BY A MALFUNCTIONING ABS MODULE. THE FRONT BRAKE COULD NOT BE APPLIED. THE BRAKE LEVER WAS FROZEN AS IF IT WERE WELDED IN PLACE.. THERE WAS NO PREVIOUS WARNING PRIOR TO THIS TIME. I WAS ABLE TO STOP THE BIKE USING THE BACK BRAKE ONLY AND NOT BY A LARGE MARGIN! AFTER THE INCIDENT THE BRAKE LEVER REMAINED FROZEN AND I HAVE NOT REPAIRED THE PROBLEM YET. AFTER A LOT OF HEAD SCRATCHING I WAS ABLE TO DETERMINE THAT THE ABS MODULE IS NOT ALLOWING ANY BRAKE FLUID TO PASS THROUGH. THIS CAUSES THE BRAKE LEVER TO FREEZE. *TR

NHTSA ODI #10551177

38,400 miles · Apr 3, 2013
Service Brakes

COMPLETE FAILURE OF REAR BRAKE. LINE FAILURE DUE TO CHAFING FROM CLUTCH CABLE AND LOSS OF FLUID. *TR

NHTSA ODI #10505496

Official recalls

2

18V076000 · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip; Service Brakes, Hydraulic:fluid

Jan 29, 2018

Harley-Davidson Motor Company (Harley-Davidson) is recalling all 2008-2011 Touring, CVO Touring and VSRC motorcycles equipped with anti-lock brakes (ABS), including Road King (FLHR), Road King Police (EFI) (FLHP), Road King Police (EFI) (FLHPE), Electra Glide Standard Police (EFI) (FLHTP), Electra Glide Classic (EFI) (FLHTC), Electra Glide Ultra Classic (EFI) (FLHTCU) and Street Glide (EFI) (FLHX), 2008 VROD (VRSCAWA), CVO Road King 4 (FLHRSE4), Night Rod (VRSCDA), CVO Ultra Classic 3 (FLHTCUSE3), Night Rod Special (VRSCDXA), 2008-2010 Road King Classic (EFI) (FLHRC), 2008-2009 Road Glide (EFI) (FLTR) and Electra Glide Standard (EFI) (FLHT), 2009-2010 V-Rod (VRSCAW), 2009 CVO Ultra Classic (FLHTCUSE4) and CVO Road Glide 3 (FLTRSE3), 2009-2011 Night Rod Special (VRSCDX) and V-Rod Muscle (VRSCF), 2010 CVO Ultra Classic 5 (FLHTCUSE5) and CVO Street Glide (FLHXSE), 2010-2011 Electra Glide Ultra Limited (FLHTK) and Road Glide Custom (FLTRX), 2011 Road Glide Ultra 103 (FLTRU103), Street Glide 103 (FLHX103), Road King Classic 103 (FLHRC103), CVO Ultra Classic 6 (FLHTCUSE6), CVO Road Glide Ultra (FLTRUSE), Road Glide Custom 103 (FLTRX103), and CVO Street Glide 2 (FLHXSE2) motorcycles. Deposits may form on components within the brake system if the DOT 4 brake fluid is not replaced for a prolonged period of time beyond the 2-year maintenance schedule specified in the Owner’s Manual.

Consequence & remedy

Consequence: These deposits may cause a valve within the ABS Hydraulic Control Unit to stick, reducing braking ability and increasing the risk of a crash.

Remedy: Harley-Davidson will notify owners, and dealers will flush the entire brake system with new Platinum Label DOT 4 brake fluid, free of charge. The recall began on February 14, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0171.

Additional source detail variants (2)

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip

Harley-Davidson Motor Company (Harley-Davidson) is recalling all 2008-2011 Touring, CVO Touring and VSRC motorcycles equipped with anti-lock brakes (ABS), including Road King (FLHR), Road King Police (EFI) (FLHP), Road King Police (EFI) (FLHPE), Electra Glide Standard Police (EFI) (FLHTP), Electra Glide Classic (EFI) (FLHTC), Electra Glide Ultra Classic (EFI) (FLHTCU) and Street Glide (EFI) (FLHX), 2008 VROD (VRSCAWA), CVO Road King 4 (FLHRSE4), Night Rod (VRSCDA), CVO Ultra Classic 3 (FLHTCUSE3), Night Rod Special (VRSCDXA), 2008-2010 Road King Classic (EFI) (FLHRC), 2008-2009 Road Glide (EFI) (FLTR) and Electra Glide Standard (EFI) (FLHT), 2009-2010 V-Rod (VRSCAW), 2009 CVO Ultra Classic (FLHTCUSE4) and CVO Road Glide 3 (FLTRSE3), 2009-2011 Night Rod Special (VRSCDX) and V-Rod Muscle (VRSCF), 2010 CVO Ultra Classic 5 (FLHTCUSE5) and CVO Street Glide (FLHXSE), 2010-2011 Electra Glide Ultra Limited (FLHTK) and Road Glide Custom (FLTRX), 2011 Road Glide Ultra 103 (FLTRU103), Street Glide 103 (FLHX103), Road King Classic 103 (FLHRC103), CVO Ultra Classic 6 (FLHTCUSE6), CVO Road Glide Ultra (FLTRUSE), Road Glide Custom 103 (FLTRX103), and CVO Street Glide 2 (FLHXSE2) motorcycles. Deposits may form on components within the brake system if the DOT 4 brake fluid is not replaced for a prolonged period of time beyond the 2-year maintenance schedule specified in the Owner’s Manual.

Consequence: These deposits may cause a valve within the ABS Hydraulic Control Unit to stick, reducing braking ability and increasing the risk of a crash.

Remedy: Harley-Davidson will notify owners, and dealers will flush the entire brake system with new Platinum Label DOT 4 brake fluid, free of charge. The recall began on February 14, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0171.

Service Brakes, Hydraulic:fluid

Harley-Davidson Motor Company (Harley-Davidson) is recalling all 2008-2011 Touring, CVO Touring and VSRC motorcycles equipped with anti-lock brakes (ABS), including Road King (FLHR), Road King Police (EFI) (FLHP), Road King Police (EFI) (FLHPE), Electra Glide Standard Police (EFI) (FLHTP), Electra Glide Classic (EFI) (FLHTC), Electra Glide Ultra Classic (EFI) (FLHTCU) and Street Glide (EFI) (FLHX), 2008 VROD (VRSCAWA), CVO Road King 4 (FLHRSE4), Night Rod (VRSCDA), CVO Ultra Classic 3 (FLHTCUSE3), Night Rod Special (VRSCDXA), 2008-2010 Road King Classic (EFI) (FLHRC), 2008-2009 Road Glide (EFI) (FLTR) and Electra Glide Standard (EFI) (FLHT), 2009-2010 V-Rod (VRSCAW), 2009 CVO Ultra Classic (FLHTCUSE4) and CVO Road Glide 3 (FLTRSE3), 2009-2011 Night Rod Special (VRSCDX) and V-Rod Muscle (VRSCF), 2010 CVO Ultra Classic 5 (FLHTCUSE5) and CVO Street Glide (FLHXSE), 2010-2011 Electra Glide Ultra Limited (FLHTK) and Road Glide Custom (FLTRX), 2011 Road Glide Ultra 103 (FLTRU103), Street Glide 103 (FLHX103), Road King Classic 103 (FLHRC103), CVO Ultra Classic 6 (FLHTCUSE6), CVO Road Glide Ultra (FLTRUSE), Road Glide Custom 103 (FLTRX103), and CVO Street Glide 2 (FLHXSE2) motorcycles. Deposits may form on components within the brake system if the DOT 4 brake fluid is not replaced for a prolonged period of time beyond the 2-year maintenance schedule specified in the Owner’s Manual.

Consequence: These deposits may cause a valve within the ABS Hydraulic Control Unit to stick, reducing braking ability and increasing the risk of a crash.

Remedy: Harley-Davidson will notify owners, and dealers will flush the entire brake system with new Platinum Label DOT 4 brake fluid, free of charge. The recall began on February 14, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0171.

08V357000 · Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

Jul 30, 2008

HARLEY DAVIDSON IS RECALLING 47,579 MY 2008 FLHP, FLHPE, FLHR, FLHRC, FLHRSE4, FLHT, FLHTC, FLHTCU, FLHTCUSE3, FLHTP, FLHX, AND FLTR MOTORCYCLES. THESE MOTORCYCLES MAY EXPERIENCE A CRACKING OF THE FUEL FILTER SHELL LEADING TO LOSS OF FUEL PRESSURE. THIS LOSS OF FUEL PRESSURE CAN CAUSE DIMINISHED PERFORMANCE AND, IN SOME CASES, MAY CAUSE AN ENGINE STALL OR A NO-START CONDITION.

Consequence & remedy

Consequence: THIS CONDITION COULD LEAD TO A CRASH WHICH COULD CAUSE INJURY OR DEATH TO THE RIDER.

Remedy: DEALERS WILL REPLACE THE FUEL FILTER SHELL FREE OF CHARGE. THE RECALL BEGAN ON JULY 31, 2008. OWNERS MAY CONTACT HARLEY DAVIDSON AT 1-414-343-4056.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

PE16009 · Sudden Brake Failure - Motorcycle

Opened Jul 6, 2016 · Closed Apr 23, 2018

Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

The Office of Defects Investigation (ODI) opened this investigation in July 2016 based on forty-three (43) Vehicle Owner Questionnaires (VOQ).During the course of this investigation ODI received a total of 145 VOQs related to the alleged defect on the subject motorcycles.Owners allege they experience a sudden and complete loss of brakes on one or both wheels.To better understand the cause of the braking issue on the subject motorcycles, ODI requested NHTSA's Vehicle Research and Test Center (VRTC) conduct inspections and testing of affected vehicle braking systems.Through its work, VRTC determined that deposits were forming on the valves in the Hydraulic Control Unit (HCU) of the Antilock Braking System (ABS). These deposits could prevent the proper function of the HCU and render the brakes ineffective.To understand why deposits were forming in the HCU, Harley Davidson completed an analysis of the Dow 460 brake fluid used as original equipment on the subject motorcycles and determined that it had stability issues if left in the brake system for an extended period of time.Harley Davidson found that if a brake fluid flush was not conducted as outlined in the owner?s manual for the motorcycles, and was left in the system for a period of time beyond their recommendation; deposits could form in the HCU.Through further testing, Harley Davidson identified an alternate, commercially available, brake fluid that did not have the same stability issues as the original fluid and could stop the proliferation of any current brake system deposits.ODI sent Information Request (IR) letters to Harley Davidson and Dow Chemical (the supplier of the brake fluid on the subject motorcycles) to collect information about the subject bikes and the alleged defect.Harley Davidson responded in full on Sept 30, 2016 and Dow responded with a confidential submission on October 25, 2017.ODI analyzed the information contained in both IR responses and concluded that motorcycles manufactured during Model Years (MY) 2008, 2009, 2010, and 2011 were failing at a rate greater than their peers.Based on this analysis and the brake fluid study conducted by Harley Davidson, a group of motorcycles was identified that were potentially affected by the instability of the original brake fluid.2008 marked the introduction of ABS on Harley Davidson motorcycles and a change in the Dow 460 brake fluid used in the 2012 MY vehicles provided the bases for the scope of the affected population.With recall action 18V-076 taken by Harley Davidson this investigation is closed as further use of agency resources does not appear to be warranted.The ODI reports cited above can be reviewed at: https://www.nhtsa.gov/ using the complaint identification numbers attached to this resume.

PE08043 · Motorcycle Stalling

Opened Jul 17, 2008 · Closed Aug 8, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery

THE SUBJECT FUEL FILTER HOUSING (P/N 62229-08) CRACKS, RESULTING IN SUDDEN ENGINE STALL DUE TO UNREGULATED FUEL PRESSURE.HARLEY-DAVIDSON HAS MODIFIED THE HOUSING WITH A NEW PART NUMBER 62229-08A.SHORTLY AFTER OPENING THIS PE, ODI RECEIVED HARLEY'S DEFECT NOTIFICATION INDICATING THAT THE SUBJECT VEHICLES WERE BEING RECALLED TO INSTALL THE NEW FUEL FILTER HOUSING.WITH THAT RECALL, RECEIVED PRIOR TO RELEASE OF OUR INFORMATION REQUEST, THIS INVESTIGATION IS CONCLUDED.

Additional source detail variants (2)

Fuel System, Gasoline:delivery

THE SUBJECT FUEL FILTER HOUSING (P/N 62229-08) CRACKS, RESULTING IN SUDDEN ENGINE STALL DUE TO UNREGULATED FUEL PRESSURE.HARLEY-DAVIDSON HAS MODIFIED THE HOUSING WITH A NEW PART NUMBER 62229-08A.SHORTLY AFTER OPENING THIS PE, ODI RECEIVED HARLEY'S DEFECT NOTIFICATION INDICATING THAT THE SUBJECT VEHICLES WERE BEING RECALLED TO INSTALL THE NEW FUEL FILTER HOUSING.WITH THAT RECALL, RECEIVED PRIOR TO RELEASE OF OUR INFORMATION REQUEST, THIS INVESTIGATION IS CONCLUDED.

Fuel System, Gasoline

THE SUBJECT FUEL FILTER HOUSING (P/N 62229-08) CRACKS, RESULTING IN SUDDEN ENGINE STALL DUE TO UNREGULATED FUEL PRESSURE.HARLEY-DAVIDSON HAS MODIFIED THE HOUSING WITH A NEW PART NUMBER 62229-08A.SHORTLY AFTER OPENING THIS PE, ODI RECEIVED HARLEY'S DEFECT NOTIFICATION INDICATING THAT THE SUBJECT VEHICLES WERE BEING RECALLED TO INSTALL THE NEW FUEL FILTER HOUSING.WITH THAT RECALL, RECEIVED PRIOR TO RELEASE OF OUR INFORMATION REQUEST, THIS INVESTIGATION IS CONCLUDED.