2019 Harley-Davidson Flhxs Transmission and drivetrain Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 1,934miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the transmission and drivetrain of the 2019 Harley-Davidson Flhxs, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 1,934 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Transmissions oil is going in to the primary and leaving the transmission dry oil it only happens on the 2019 flux with the 114 in it that we have seen so far”
NHTSA complaint #11222060, filed 2019-06, 1,934 miles“HARLEY DAVISON trans.in these Milwaukee 8 street glide has a 3rd gear problem. i have had min into Harley dealer now 5 times for same problem. when going on road the and you apply power for me take out he trans. and the topper was warranty dropped me now and refuse to fix the bike let alone cover it. when i bought bike everything done to it was done at dealer and by the book and now i'm left out to buy a 4000 trans when dealer and warranty approved screaming eagle kit. this is frustrating so now i'm asking what next?????”
NHTSA complaint #11560936, filed 2023-12“The contact owns a 2019 Harley-Davidson Street Glide FLHXS. The contact stated that upon a routine oil change, oil was discovered leaking out of the primary oil cover. A dealer was notified of the failure and the contact was informed that an extensive diagnostic test needed to be performed to determine the cause of the failure. The motorcycle was then taken to an independent mechanic where it was discovered that the connection between the engine output shaft and the transmission was sucking fluid out of the transmission. …”
NHTSA complaint #11583383, filed 2024-04Related service bulletins
- 11037861Sep 17, 2026SERVICE BULLETIN M1490 (V 26.9.4): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11036578Aug 14, 2026SERVICE BULLETIN M1733: COSMETIC CYLINDER STAINING (ALL MILWAUKEE-EIGHT MODELS). PURPOSE: Initial release. This bulletin informs dealers that cosmetic staining or etching on the…
- 11035941Jul 25, 2026SERVICE BULLETIN M1490 (V 26.8.3): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11032452Apr 24, 2026SERVICE BULLETIN M1490 (V 26.6.2): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software…
- 11028618Jan 28, 2026SERVICE BULLETIN M1713 (REV B): DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.3.2). PURPOSE: Revision B. This bulletin informs dealers that an issue was discovered in the…
- 11021201Jul 1, 2025SERVICE BULLETIN M1611 (REV B): MILWAUKEE-EIGHT TRANSMISSION SHIFT DRUM UPDATE. PURPOSE: Revision. This bulletin informs dealers that (Part No. 33900172) is obsolete. Dealers…
- 11015450Feb 11, 2025GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1165: H-D SYN3 SAE 15W50 / SAE 50 AVAILABILITY. PURPOSE: This bulletin informs of the availability of the SYN3 New Improved…
- 11014011Jan 29, 2025SERVICE BULLETIN M1611 (REV A): MILWAUKEE-EIGHT TRANSMISSION SHIFT DRUM UPDATE. PURPOSE: This bulletin informs dealers that (Part No. 33900172) is obsolete. Dealers must purchase…
- 11014014Jan 24, 2025SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft…
- 11005514Jul 10, 2024GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1158: OIL FILTER PACKAGING AND CASE QUANTITY UPDATE. PURPOSE: To inform dealerships that Harley-Davidson has made updates to…
Transmission and drivetrain: other model years
Other parts of the 2019 Harley-Davidson Flhxs
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About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology