2020 MACK LR — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
1
Recall
10
Service Bulletins
0
Investigations
Overview of the 2020 MACK LR
The 2020 MACK LR has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There has been 1 recall campaign affecting this vehicle, covering issues with STEERING. 10 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.
Recalls for the 2020 MACK LR
NHTSA has recorded 1 recall for the 2020 MACK LR, potentially affecting up to 272 vehicles.
Recall 21V293000 — STEERING
| 272 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 LR vehicles. The steering transfer case may have an insufficient amount of oil.
Consequence: The internal bearings may fail without sufficient lubrication, causing steering lock-up and increasing the risk of a crash.
Remedy: Dealers will replace the transfer case, free of charge. Owner notifications letters were mailed on May 12, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0424.
View full details →Owner Complaints for the 2020 MACK LR
No complaints have been filed with NHTSA for the 2020 MACK LR.
Safety Rating for the 2020 MACK LR
NHTSA has not yet tested the 2020 MACK LR in its New Car Assessment Program.
Technical Service Bulletins for the 2020 MACK LR
Mack Trucks, Inc. has issued 10 technical service bulletins (TSBs) for the 2020 MACK LR. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
CBR 901-5 202505 — ELECTRICAL SYSTEM
Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer
CBR-2139 202405 — FUEL/PROPULSION SYSTEM
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this...
KC-2213 — ELECTRICAL SYSTEM
Mack Chassis - Malfunction Indicator Light (MIL) Illuminated After Start Up - Cummins CNG Only
S7643 — STEERING
Steering Shaft at Miter Box, Inspection
FSB 810-004 — STRUCTURE
Back of Cab Crack, Repair
K01157283 — ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
Front Accessory Drive Noise, Alternator Belt Wear, Alternator Belt Tensioner Failure - Model Year 2017 And Newer
S7461 — EQUIPMENT
LR OBD CONNECTOR CORROSION FOR DSNY KNEE BOLSTER
S7461 — EQUIPMENT ADAPTIVE/MOBILITY
LR OBD CONNECTOR CORROSION FOR DSNY KNEE BOLSTER
S7461 — ELECTRICAL SYSTEM
LR OBD CONNECTOR CORROSION FOR DSNY KNEE BOLSTER
K29295744 — ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Updated PM Sensor Removal Procedure - US17+OBD16 and Newer Emissions
NHTSA Investigations for the 2020 MACK LR
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK LR
- 2015 MACK LR — 0 complaints
- 2016 MACK LR — 0 complaints
- 2017 MACK LR — 0 complaints
- 2018 MACK LR — 0 complaints
- 2019 MACK LR — 1 complaint
- 2020 MACK LR (current)
- 2021 MACK LR — 0 complaints
- 2022 MACK LR — 0 complaints
- 2023 MACK LR — 0 complaints
- 2024 MACK LR — 0 complaints
- 2025 MACK LR — 0 complaints
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints