NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
30 reports11,000 miles · Oct 11, 2012
Suspension
TL* THE CONTACT OWNS A 2008 HARLEY FLHX MOTORCYCLE. WHILE DRIVING APPROXIMATELY 35 MPH, A LOUD NOSE EMITTED FROM THE VEHICLE WITHOUT ANY WARNING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE BOTH WHEEL BEARINGS WERE REPLACED. THE CONTACT STATED THAT IN 2012, THE FAILURE RECURRED AND THE WHEEL BEARINGS WERE REPLACED FOR TH…
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TL* THE CONTACT OWNS A 2008 HARLEY FLHX MOTORCYCLE. WHILE DRIVING APPROXIMATELY 35 MPH, A LOUD NOSE EMITTED FROM THE VEHICLE WITHOUT ANY WARNING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE BOTH WHEEL BEARINGS WERE REPLACED. THE CONTACT STATED THAT IN 2012, THE FAILURE RECURRED AND THE WHEEL BEARINGS WERE REPLACED FOR THE SECOND TIME BY THE DEALER. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 11,000.
NHTSA ODI #10479808
20,000 miles · Feb 26, 2012
Electronic Stability Control (esc)Vehicle Speed Control
COMPLETE THROTTLE FAILURE AT HIGHWAY SPEED. ERROR CODES COLLECTED INDICATE ELECTRONIC THROTTLE RESPONSE FAILURE. I HAVE EXPERIENCED THIS FAILURE ON MULTIPLE OCCASIONS. POSTINGS ON HD FORUMS INDICATE THE PROBLEM IS WIDE SPREAD ON HD MOTORCYCLES FROM 2008 FORWARD WITH AN ELECTRONIC THROTTLE CONTROL SYSTEM. THIS IS AN EXTREMELY DAN…
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COMPLETE THROTTLE FAILURE AT HIGHWAY SPEED. ERROR CODES COLLECTED INDICATE ELECTRONIC THROTTLE RESPONSE FAILURE. I HAVE EXPERIENCED THIS FAILURE ON MULTIPLE OCCASIONS. POSTINGS ON HD FORUMS INDICATE THE PROBLEM IS WIDE SPREAD ON HD MOTORCYCLES FROM 2008 FORWARD WITH AN ELECTRONIC THROTTLE CONTROL SYSTEM. THIS IS AN EXTREMELY DANGEROUS HAZARD FOR WHICH HD HAS FAILED TO ACCEPT RESPONSIBILITY OR OFFER TO CORRECT. PLEASE INVESTIGATE! *TR
NHTSA ODI #10449386
13,200 miles · Nov 27, 2011
Electrical System
THROTTLE CUTS OFF. HARLEY DAVIDSON SINCE 2008 USES A CABLE LESS THROTTLE. FROM READING THE FORUMS THIS SEEMS TO BE A WIDE SPREAD PROBLEM. THE THROTTLE WILL JUST STOP WORKING BECAUSE OF SENSOR FAILURE. THIS HAPPEN TO ME TODAY ON A SECONDARY ROAD. COULD NO EVEN IMAGINE THIS HAPPENING ON THE HIGHWAY AT 65 MPH. *TR
NHTSA ODI #10437360
Mileage unknown · Nov 5, 2010
Vehicle Speed Control
2008 HARLEY FLHX, WHILE TRAVELING AT NORMAL SPEEDS THE VEHICLE LOSES THROTTLE CONTROL, THE ENGINE IS STILL RUNNING JUST NO THROTTLE RESPONSE 'FLY BY WIRE THROTTLE', THIS HAS HAPPENED NUMEROUS TIMES AND I HAVE TAKEN IT BACK TO THE DEALERSHIP ON FOUR OCCASIONS, THEY HAVE REPLACED THE ECM, THROTTLE BODY SENSOR AND CONNECTOR AND CON…
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2008 HARLEY FLHX, WHILE TRAVELING AT NORMAL SPEEDS THE VEHICLE LOSES THROTTLE CONTROL, THE ENGINE IS STILL RUNNING JUST NO THROTTLE RESPONSE 'FLY BY WIRE THROTTLE', THIS HAS HAPPENED NUMEROUS TIMES AND I HAVE TAKEN IT BACK TO THE DEALERSHIP ON FOUR OCCASIONS, THEY HAVE REPLACED THE ECM, THROTTLE BODY SENSOR AND CONNECTOR AND CONNECTOR PINS WITH NO RESULTS. THIS SITUATION IS EXTREMELY DANGEROUS AND I HAVE NARROWLY ESCAPED DEATH ON TWO OCCASIONS. THE LATEST EVENT HAPPENING NOV 4, 2010, THE ORIGINAL EVENT HAPPENED OVER A YEAR AND HALF AGO. THE DEALERSHIP HAS PUT AT APPRX 3000 MILES ON THE VEHICLE DURING THIS LONG PROCESS. *TR
NHTSA ODI #10364131
24,000 miles · May 25, 2010
Fuel System, OtherVehicle Speed Control
FLY BY WIRE THROTTLE ON TOURING AND CRUISER HARLEY-DAVIDSONS BEGINS TO REV / RACE WITHOUT EVEN TURNING THE HANDLE. HAPPENS QUITE FREQUENTLY ONCE IT BEGINS. PARTICULARLY HAZARDOUS DURING TURNS AND STARTING OUT IN TRAFFIC. HAS OCCURRED ON MY MOTORCYCLE ABOUT 15 TIMES IN THE PAST WEEK. 3 TIMES IT ALMOST CAUSED ME TO CRASH IN A TURN…
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FLY BY WIRE THROTTLE ON TOURING AND CRUISER HARLEY-DAVIDSONS BEGINS TO REV / RACE WITHOUT EVEN TURNING THE HANDLE. HAPPENS QUITE FREQUENTLY ONCE IT BEGINS. PARTICULARLY HAZARDOUS DURING TURNS AND STARTING OUT IN TRAFFIC. HAS OCCURRED ON MY MOTORCYCLE ABOUT 15 TIMES IN THE PAST WEEK. 3 TIMES IT ALMOST CAUSED ME TO CRASH IN A TURN. CALLED LOCAL HD DEALER AND THEY CAME TO PICKUP MOTORCYCLE 5/25/10 TO SERVICE. SERVICE MANAGER SAYS THEY HAVE BEEN HAVING PROBLEMS WITH THIS THROTTLE SYSTEM. *TR
NHTSA ODI #10332236
5,500 miles · Sep 25, 2009
Electrical System
I PURCHASED A 2008 HARLEY DAVIDSON STREET GLIDE IN AUGUST OF 2008. ALL WAS GREAT UNTIL JUNE 2009 A FEW WEEKS AFTER THE 5000 MILE SERVICE. I WAS RIDING THE MOTORCYCLE TO WORK AND IT SIMPLY SHUT OFF, AFTER SEVERAL MINUTES IT RESTARTED. I LET IT GO THINKING IT WAS JUST A FLUKE, BUT AFTER SEVERAL WEEKS IT HAPPEN AGAIN. THEN, AFTER S…
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I PURCHASED A 2008 HARLEY DAVIDSON STREET GLIDE IN AUGUST OF 2008. ALL WAS GREAT UNTIL JUNE 2009 A FEW WEEKS AFTER THE 5000 MILE SERVICE. I WAS RIDING THE MOTORCYCLE TO WORK AND IT SIMPLY SHUT OFF, AFTER SEVERAL MINUTES IT RESTARTED. I LET IT GO THINKING IT WAS JUST A FLUKE, BUT AFTER SEVERAL WEEKS IT HAPPEN AGAIN. THEN, AFTER SEVERAL MORE WEEKS, AGAIN. I TOOK IT TO A DEALER 7/28/09 AND THEY KEPT IT A WEEK AND SAID THEY COULD FIND NOTHING WRONG OR DUPLICATE THE PROBLEM. I TOOK THE BIKE HOME AND AGAIN, A FEW WEEKS LATER, IT SHUT OFF ON THE WAY TO WORK. IT HAPPENED EVERY FEW WEEKS. THE LAST TIME I HAD JUST PASSED A TRUCK ON A TWO LANE ROAD WITH NO SHOULDER. THE TRUCK CAME SO CLOSE IT ALMOST HIT ME. I TOOK THE HARLEY TO THE SAME SHOP, THEY SAID THEY HAD NOBODY TO WORK ON IT FOR A WEEK, SO I TOOK IT HOME AND PARKED IT FOR A WEEK. I DECIDED TO TAKE IT TO THE DEALER WHO HAD DONE THE 5000 MILE SERVICE. I TOOK IT 9/18/09 AND THEY KEPT IT FOR A WEEK. THEY SAY THEY CAN FIND NOTHING WRONG AND CAN'T DUPLICATE THE PROBLEM EITHER. I CONTACTED HARLEY FACTORY CUSTOMER SERVICE AND THEY SAY THEY CAN DO NOTHING FOR ME.I FEEL THE NEXT TIME THE BIKE DIES I MIGHT NOT BE SO LUCKY. *TR
NHTSA ODI #10285293
2,100 miles · May 22, 2009
Wheels
2008 HARLEY DAVIDSON STREET GLIDE FLHX NOTICED NOISE COMING FROM THE REAR WHEEL OF THE MOTORCYCLE AT HIGHWAY SPEEDS AND AT LOWER SPEEDS AROUND TOWN HIGHWAY SPEEDS IT PRODUCES A HOWLING / WHINING NOISE. AND AT LOWER AROUND TOWN IT PRODUCES A CLICKING NOISE .TYPICAL NOISES THAT A FATIGUED WHEEL BEARING WOULD MAKE WHEN IT IS STARTI…
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2008 HARLEY DAVIDSON STREET GLIDE FLHX NOTICED NOISE COMING FROM THE REAR WHEEL OF THE MOTORCYCLE AT HIGHWAY SPEEDS AND AT LOWER SPEEDS AROUND TOWN HIGHWAY SPEEDS IT PRODUCES A HOWLING / WHINING NOISE. AND AT LOWER AROUND TOWN IT PRODUCES A CLICKING NOISE .TYPICAL NOISES THAT A FATIGUED WHEEL BEARING WOULD MAKE WHEN IT IS STARTING TO FAIL.TOOK MOTORCYCLE TO THE HARLEY DEALER TOLD THEM ABOUT THE NOISES, THEY STATED THAT THOSE NOISES WHERE NOT THERE AND ANY NOISE I WAS HEARING WAS NORMAL AND THAT THERE TIME FOR CHECKING OUT THE BIKE WAS NOT COVERED UNDER THE WARRANTY THAT CAME WITH THE BIKE BECAUSE THEY DID NOT FIND AND DEFECTED PARTS OR HEAR ANY STRANGE NOISES NOR DID THEY BOTHER TO TAKE OFF THE REAR WHEEL LIKE I REQUESTED NOT EVEN DID THEY TAKE THE TIME TO INSPECT THE REAR WHEEL. AND ON TOP OF IT ALL THEY WANT ME TO PAY $300.00 DOLLARS FOR 2 1/2 HOURS OF THERE TIME TO DO NOTHING TO THE MOTORCYCLE BUT TAKE IT FOR A TEST RIDE. *TR
NHTSA ODI #10269702
2,000 miles · Apr 21, 2009
SeatsStructure
THE SEAT ON MY 2008 HARLEY DAVIDSON FLHX BROKE AT HE REAR BRACKET. THE BRACKET IS HELD ON TO THE SEAT BY PLASTIC TABS, WHICH BROKE. THE SEAT SLID REARWARD UNDER ACCELERATION, ALMOST CAUSING ME TO LOSE CONTROL OF THE MOTORCYCLE. THESE BRACKETS USED TO BE ATTACHED TO THE SEAT WITH TWO BOLTS, BUT I GUESS HARLEY SAVING MONEY IS MORE…
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THE SEAT ON MY 2008 HARLEY DAVIDSON FLHX BROKE AT HE REAR BRACKET. THE BRACKET IS HELD ON TO THE SEAT BY PLASTIC TABS, WHICH BROKE. THE SEAT SLID REARWARD UNDER ACCELERATION, ALMOST CAUSING ME TO LOSE CONTROL OF THE MOTORCYCLE. THESE BRACKETS USED TO BE ATTACHED TO THE SEAT WITH TWO BOLTS, BUT I GUESS HARLEY SAVING MONEY IS MORE IMPORTANT THAN THEIR CUSTOMERS SAFETY. I CALLED H-D CUSTOMER SERVICE, AND THEY SAID THEY WOLD ONLY REPLACE THE SEAT WITH ANOTHER ONE JUST LIKE IT. IS'NT THEIR RESPONSIBILITY TO PROVFIDE A SAFE MOTORCYCLE, NOT ONE THAT THE SEAT FALLS OFF OF? *TR
NHTSA ODI #10266319
2,400 miles · Sep 6, 2008
Electrical System
WHILE RIDING MY 2008 STREET GLIDE I WOULD LOSE ALL RESPONSE ON THE THROTTLE, WHILE ON THE INTERSTATE I HAD TO COAST TO THE SIDE OF THE ROAD UNTIL THE THROTTLE RANDOMLY BEGAN TO RESPOND. WHILE ON THIS PARTICULAR TRIP THE BIKE REPEATED THIS AT LEAST 10-15 TIMES. THE BIKE IS BEING TRAILER TO THE DEALER FOR REVIEW. THIS IS DEFINATEL…
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WHILE RIDING MY 2008 STREET GLIDE I WOULD LOSE ALL RESPONSE ON THE THROTTLE, WHILE ON THE INTERSTATE I HAD TO COAST TO THE SIDE OF THE ROAD UNTIL THE THROTTLE RANDOMLY BEGAN TO RESPOND. WHILE ON THIS PARTICULAR TRIP THE BIKE REPEATED THIS AT LEAST 10-15 TIMES. THE BIKE IS BEING TRAILER TO THE DEALER FOR REVIEW. THIS IS DEFINATELY A SAFETY ISSUE WHILE RIDING BIKE ON A BUSY INTERSTATE. *TR
NHTSA ODI #10241175
8,030 miles · Sep 4, 2008
Fuel System, Gasoline
TL*THE CONTACT OWNS A 2008 HARLEY DAVIDSON FLHX. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 08V357000 (FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP) IN JULY OF 2008. HE CALLED THE DEALER ON AUGUST 4,2008 TO HAVE THE RECALL REPAIR PERFORMED ON THE VEHICLE. A TECHNICIAN STATED THAT THE …
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TL*THE CONTACT OWNS A 2008 HARLEY DAVIDSON FLHX. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 08V357000 (FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP) IN JULY OF 2008. HE CALLED THE DEALER ON AUGUST 4,2008 TO HAVE THE RECALL REPAIR PERFORMED ON THE VEHICLE. A TECHNICIAN STATED THAT THE PARTS WERE UNAVAILABLE FOR THE RECALL AND THEY WOULD CALL HIM WHEN THEY ARRIVED. THE TECHNICIAN NEVER CALLED BACK. THE CONTACT TOOK THE VEHICLE TO ANOTHER DEALER AND DID NOT RECEIVE A RESPONSE. THE VEHICLE HAS YET TO BE PROPERLY REPAIRED ACCORDING TO THE RECALL. THE FAILURE MILEAGE WAS 8,030.
NHTSA ODI #10240947
Official recalls
2Jan 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 Owners 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 Owners 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 Owners 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.
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
2PE16009 · 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.