Technical Service Bulletins For 2018 HARLEY-DAVIDSON FLHTCUL
Here are the technical service bulletins we have for the 2018 HARLEY-DAVIDSON FLHTCUL. If you have any questions, do not hesitate to Contact Us:
Technical Service Bulletins
Technical Service Bulletin #1HD-R7V8M-09
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10117896
Date Of Bulletin
20170731
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
PARTS & ACCESSORIES BULLETIN PAB1067: SCREAMIN? EAGLE SMART TUNE PRO RELEASED FOR SHIPMENT. Purpose is to notify dealers that the Smart Tune PRO ? Automatic Tuning Module is 50-state U.S. EPA approved and released for shipment.
Technical Service Bulletin #1HD-F5K3A-09
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10117897
Date Of Bulletin
20170831
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
TECH ARTICLE TA0020: Oil Tinted Orange or Pink. Description: Some vehicles arriving from the factory have an orange or pink tint to the oil. Reason: Vehicles are selected at the plant at random times to perform an audit inspection. During t
Technical Service Bulletin #1HD-L5Y9J-09
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10117898
Date Of Bulletin
20170831
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
TECH ARTICLE TA0021: Front Wheel Skid Spacer for 2018 Touring. Description: A spacer was added to the shipping skid for the front tire of 2018 Touring, CVO Touring and Touring Police vehicles. The spacer is used to chock the tire in the ski
Technical Service Bulletin #1HDG3S9W10
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10125141
Date Of Bulletin
20170918
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
SERVICE BULLETIN M1442: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.21.X DESCRIPTION. This bulletin helps the dealer locate needed information to update and service Boom! Box Audio Infotainment systems. It also
Technical Service Bulletin #1HDG3S9W10
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10125141
Date Of Bulletin
20170918
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
SERVICE BULLETIN M1442: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.21.X DESCRIPTION. This bulletin helps the dealer locate needed information to update and service Boom! Box Audio Infotainment systems. It also
Technical Service Bulletin #1HDD4N4Q11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 354000 EQUIPMENT:MECHANICAL
NHTSA #10124221
Date Of Bulletin
20171011
Failing Component Name
354000 EQUIPMENT:MECHANICAL
Description
SERVICE BULLETIN M1454: 2018 TOURING AND SOFTAIL PLATFORMS - SCREAMIN' EAGLE STAGE II AND ADJUSTABLE PUSHROD INSTALLATION. Purpose: Dealers must order four washers (Part Number 6762D) separately when installing the kits listed on 2018 Milwa
Technical Service Bulletin #1HDG4C4U11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10124223
Date Of Bulletin
20171024
Failing Component Name
060000 ENGINE (PWS)
Description
SERVICE BULLETIN M1450: MILWAUKEE-EIGHT WITH STAGE KITS - LOSS OF POWER OR HIGH ENGINE BRAKING. Revision. Purpose: 2017 and 2018 model motorcycles equipped with a Milwaukee-Eight? engine and a Stage III or Stage IV kit can experience a con
Technical Service Bulletin #1HDG4C4U11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10124223
Date Of Bulletin
20171024
Failing Component Name
100000 POWER TRAIN
Description
SERVICE BULLETIN M1450: MILWAUKEE-EIGHT WITH STAGE KITS - LOSS OF POWER OR HIGH ENGINE BRAKING. Revision. Purpose: 2017 and 2018 model motorcycles equipped with a Milwaukee-Eight? engine and a Stage III or Stage IV kit can experience a con
Technical Service Bulletin #1HDC7K6W11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 045000 SERVICE BRAKES, AIR:DISC
NHTSA #10124224
Date Of Bulletin
20171031
Failing Component Name
045000 SERVICE BRAKES, AIR:DISC
Description
Phone Campaign - Updated, Request for dealers to inspect Touring rear disc mounting screws to investigate if potential under-torque condition issue is present.
Technical Service Bulletin #1HDC7K6W11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 034500 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
NHTSA #10124224
Date Of Bulletin
20171031
Failing Component Name
034500 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
Description
Phone Campaign - Updated, Request for dealers to inspect Touring rear disc mounting screws to investigate if potential under-torque condition issue is present.
Technical Service Bulletin #1HDJ7M8A10
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10125145
Date Of Bulletin
20170831
Failing Component Name
200000 WHEELS
Description
TECH ARTICLE TA0021: Front Wheel Skid Spacer for 2018 Touring. Front fender damage caused by shipping spacer. The spacer is used to chock the tire in the skid correctly. This avoids shipping strap contact and possible damage to the front f
Technical Service Bulletin #1HDG2Z2L10
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 030000 BRAKES (PWS)
NHTSA #10125147
Date Of Bulletin
20170901
Failing Component Name
030000 BRAKES (PWS)
Description
Phone Campaign - Request for dealers to inspect Touring rear disc mounting screws to investigate if potential under-torque condition issue is present.
Technical Service Bulletin #1HD-E4C2Y-12
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 030000 BRAKES (PWS)
NHTSA #10125151
Date Of Bulletin
20171115
Failing Component Name
030000 BRAKES (PWS)
Description
TECH TIP TT462: TEAR-AWAY CABLE STRAP. Issue Description: Damage has occurred on some hand grips or brake levers when using side cutters to cut the cable strap that holds the keys in place. Reason for Tech Tip - The assembly plants are try
Technical Service Bulletin #1HD-X3H4B-12
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10125153
Date Of Bulletin
20171115
Failing Component Name
060000 ENGINE (PWS)
Description
SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. Purpose: 2017 and 2018 model motorcycles equipped with a Milwaukee-Eight engine can experience a condition known as sumping during extended p
Technical Service Bulletin #1HD-X3H4B-12
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10125153
Date Of Bulletin
20171115
Failing Component Name
100000 POWER TRAIN
Description
SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. Purpose: 2017 and 2018 model motorcycles equipped with a Milwaukee-Eight engine can experience a condition known as sumping during extended p
Technical Service Bulletin #1HD-Q4H7G-02
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10125156
Date Of Bulletin
20170116
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
Service Bulletin M1430B: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.20.X DESCRIPTION informs the dealer network that Boom! software version 1.20.3 released December 19, 2016 and is now available to download. Th
Technical Service Bulletin #1HD-Q4H7G-02
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10125156
Date Of Bulletin
20170116
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
Service Bulletin M1430B: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.20.X DESCRIPTION informs the dealer network that Boom! software version 1.20.3 released December 19, 2016 and is now available to download. Th
Technical Service Bulletin #1HDW5U6F11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10124214
Date Of Bulletin
20171025
Failing Component Name
060000 ENGINE (PWS)
Description
TECH TIP TT461: MILWAUKEE-EIGHT - DIAGNOSTICS FOR OIL CONSUMPTION [Milwaukee-Eight Engines]. To explain oil consumption and diagnose whether excessive oil consumption is occurring to address issue of customer complaining of oil usage also
Technical Service Bulletin #1HDS3A5B11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
NHTSA #10124215
Date Of Bulletin
20171006
Failing Component Name
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Description
TECH TIP CRUISE CONTROL AND PTT BUTTON CONFIGURATION USING DIGITAL TECHNICIAN II. Issue: Some CB (Citizens band) radio equipped Touring model customers have expressed concern about manipulating the PTT (Push to talk) button on the right han
Technical Service Bulletin #1HDS3A5B11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10124215
Date Of Bulletin
20171006
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
TECH TIP CRUISE CONTROL AND PTT BUTTON CONFIGURATION USING DIGITAL TECHNICIAN II. Issue: Some CB (Citizens band) radio equipped Touring model customers have expressed concern about manipulating the PTT (Push to talk) button on the right han
Technical Service Bulletin #1HDV7W6E11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10124216
Date Of Bulletin
20170927
Failing Component Name
100000 POWER TRAIN
Description
TECH ARTICLE TA0022: Transmission to Primary Oil Transfer. During service intervals, customers or dealers may find oil level in the primary above the clutch cover opening. This also is accompanied by low transmission oil level. 2014 - 201
Technical Service Bulletin #1HDB6S5W11
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 010000 STEERING
NHTSA #10124217
Date Of Bulletin
20171017
Failing Component Name
010000 STEERING
Description
TECH ARTICLE TTA0016: 2014 and Later Touring Steering Head Bearing Adjustment. Revised. Issue: Steering head bearings on 2014 and later Touring, CVO Touring and Police Touring motorcycles which may not have been adjusted correctly using the
Technical Service Bulletin #1HDM5V2A05
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10139399
Date Of Bulletin
20180427
Failing Component Name
100000 POWER TRAIN
Description
TECH ARTICLE TA0023: TA0023: Crankshaft Rod Bearing. Purpose: Technicians have been falsely identifying connecting rod bearings as failed due to a perception of resistance as the rods are rotated. The clearance of the Twin Cam and Milwaukee
Technical Service Bulletin #1HDT2E2N05
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10139400
Date Of Bulletin
20180420
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
SERVICE BULLETIN M1463: MILWAUKEE-EIGHT - ROCKER COVER GASKET INVENTORY PURGE AND REPLACE. Purpose: To inform dealers that previous rocker cover gasket design on Milwaukee-Eight? are prone to varying degrees of oil leaks. These leaks may oc
Technical Service Bulletin #M1492
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10162967
Date Of Bulletin
20190625
Failing Component Name
100000 POWER TRAIN
Description
SERVICE BULLETIN M1492: 2017 - 2019 TOURING - MILWAUKEE EIGHT - INNER PRIMARY VENT. Purpose: Revision. Harley-Davidson has learned that a small percentage of dealers and customers are finding low transmission oil levels and high primary oil
Technical Service Bulletin #M1510
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10173477
Date Of Bulletin
20200319
Failing Component Name
100000 POWER TRAIN
Description
SERVICE BULLETIN M1510: MILWAUKEE-EIGHT ENGINE - NEW OIL FILTER. REVISION. PURPOSE: To inform dealers of an improved oil filter for the Milwaukee-Eight® (MKE-8) engine. The new oil filter uses the same synthetic 5-micron media as the curre
Technical Service Bulletin #M1510
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10173477
Date Of Bulletin
20200319
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
SERVICE BULLETIN M1510: MILWAUKEE-EIGHT ENGINE - NEW OIL FILTER. REVISION. PURPOSE: To inform dealers of an improved oil filter for the Milwaukee-Eight® (MKE-8) engine. The new oil filter uses the same synthetic 5-micron media as the curre
Technical Service Bulletin #M1510
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 092300 FUEL SYSTEM, OTHER:FUEL FILTER
NHTSA #10173463
Date Of Bulletin
20200319
Failing Component Name
092300 FUEL SYSTEM, OTHER:FUEL FILTER
Description
SERVICE BULLETIN M1510: MILWAUKEE-EIGHT ENGINE - NEW OIL FILTER. REVISION. PURPOSE: To inform dealers of an improved oil filter for the Milwaukee-Eightÿ® (MKE-8) engine. The new oil filter uses the same synthetic 5-micron media as the cur
Technical Service Bulletin #M1510
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10173463
Date Of Bulletin
20200319
Failing Component Name
100000 POWER TRAIN
Description
SERVICE BULLETIN M1510: MILWAUKEE-EIGHT ENGINE - NEW OIL FILTER. REVISION. PURPOSE: To inform dealers of an improved oil filter for the Milwaukee-Eightÿ® (MKE-8) engine. The new oil filter uses the same synthetic 5-micron media as the cur
Technical Service Bulletin #PAB1097
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176175
Date Of Bulletin
20200515
Failing Component Name
350000 EQUIPMENT
Description
GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1097 INTERNATIONAL FITMENT: THE BOOM! BOX GTS SOFTWARE UPDATE. PURPOSE: To notify International dealers that International GTS radios are now available to be ordered and installed in 201
Technical Service Bulletin #PAB1097
This 2018 HARLEY-DAVIDSON FLHTCUL Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176175
Date Of Bulletin
20200515
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1097 INTERNATIONAL FITMENT: THE BOOM! BOX GTS SOFTWARE UPDATE. PURPOSE: To notify International dealers that International GTS radios are now available to be ordered and installed in 201
