Toyota recalls Tundra, Lexus LX models over risk of stalled engines - The Washington Post
What specific component of the engine is affected by the machining debris mentioned in Toyota's recall notice?
The specific component of the engine affected by the machining debris in Toyota's recall notice is the crankshaft main bearings. These bearings allow the crankshaft to rotate within the engine assembly while running. The issue arises when the machining debris adheres to the bearings, and over time, this can lead to failure of the bearings1. This failure may result in potential engine knocking, engine rough running, engine no start, and/or an engine stall, which could increase the risk of a crash.
When were the initial engine failure reports that led to Toyota's recall first documented?
The initial engine failure reports that led to Toyota's recall were first documented in March 2022.
What are the potential consequences mentioned by NHTSA if the engine continues to operate under higher loads with the affected bearings?
The potential consequences mentioned by the National Highway Traffic Safety Administration (NHTSA) if the engine continues to operate under higher loads with the affected bearings are:
- Engine knocking: This is an abnormal combustion process that can cause damage to the engine components over time.
- Engine rough running: The engine may not run smoothly, causing vibrations and a decrease in performance.
- Engine no start: The engine may fail to start, leaving the vehicle stranded.
- Engine stall: The engine may suddenly shut down while driving, leading to a loss of motive power.
These issues can increase the risk of a crash and pose safety concerns for drivers and passengers.