Mack LR6: problems, complaints, bulletins

Summary for the Mack LR6 across 1 model years: 0 owner complaints and 87 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

Year	Owner complaints	involving a crash	Technical service bulletins (TSB)	YouTube repair videos
2016	0	0	87	0

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Engine and cooling	0	0	50
Electrical system	0	0	16
Powertrain	0	0	16
Equipment	0	0	7
Fuel system	0	0	3
Suspension	0	0	3
Service brakes	0	0	2
Vehicle speed control	0	0	2
Electronic stability control	0	0	1
Engine	0	0	1
Exterior lighting	0	0	1
Wheels	0	0	1
Other	0	0	7

What to check before buying

Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Fuel system. Fuel smell, leaks, rough running, fuel-system codes.

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

2020–2024 · 10253804 · 2016 CBR
2020–2024 · 10251333 · 2016 CBR -Telematics Gateway (TGW) Connect Ability Issues
2020–2024 · 10251331 · 2016 CBR - Active "Set Park Brake" Message On Drivers Information Display (DID)
2020–2024 · 10251329 · 2016 CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft
2020–2024 · 10251328 · 2016 CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built…
2020–2024 · 10249553 · 2016 CBR
2020–2024 · 10248108 · 2016 Emissions Campaign
2020–2024 · 10243453 · 2016 TSB
2020–2024 · 10241946 · 2016 TSB
2020–2024 · 10240231 · 2016 CBR
2020–2024 · 10240202 · 2016 CBR
2020–2024 · 10237374 · 2016 Service Literature Published and Released in May, 2023

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.