The worst 2021 Mack LR Electric problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 2
Electrical system: propulsion system: traction battery: thermal management: fluid/coolant
- What is wrong
- Mack Trucks, Inc. (Mack) is recalling one 2021 truck. The coolant line in the high voltage battery pack may not be fully seated and locked, which can result in the loss of coolant and an electrical short circuit.
- Risk
- A battery short circuit increases the risk of a fire.
- Remedy
- Mack will inspect the battery packs, and replace them as necessary, free of charge. The affected vehicle was within the manufacturer's control, has been repaired, and therefore no owner letters were mailed. Owners may contact Mack's customer service at 1‑800‑866‑1177.
Recall number 22V706000 · Recall details
Steering: hydraulic power assist system
- What is wrong
- Mack Trucks, Inc. (Mack) is recalling certain 2023 LR Battery Electric trucks. During certain driving maneuvers, the power steering system may lose pressure, causing a loss of power steering assist.
- Risk
- Loss of power steering assist increases the risk of a crash.
- Remedy
- Dealers replace the higher ratio steering gear and power steering pump software for higher RPM's on the steering pump, free of charge. Owner notification letters were mailed on May 24, 2022. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0434.
Recall number 22V204000 · Recall details
Technical service bulletins for the 2021 Mack LR Electric 63
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- CBR: Battery Electric Vehicle (BEV) DTC P108664
- Cbr - bev
- CBR: Battery Electric Vehicle (BEV) 3-WayValve Calibration Failure
- Cbr: tgw
- Barksdale Leveling Valve, Leak Test
- CBR: Battery Electric Vehicle (BEV)
- CBR: Battery Electric Vehicle (BEV)
- Service Campaign: Phase 1 Heater Relay Monitoring Accessory Kit
- CBR: Battery Electric Vehicle (BEV)
- Service Literature Published and Released in May, 2023
Compare the 2021 Mack LR Electric
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Questions about the 2021 Mack LR Electric
Is the 2021 Mack LR Electric reliable?
Owners have filed 0 complaints about the 2021 Mack LR Electric.
What is the most common problem with the 2021 Mack LR Electric?
There are not enough complaints to tell.
How many recalls does the 2021 Mack LR Electric have?
2 recalls, covering electrical system and steering.
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