The eagerly anticipated launch of the refreshed Model 3 Performance earlier this year was met with great enthusiasm. However, a few months into ownership, some owners began to report oil leaks from the rear drive unit. Given Tesla’s claims of using a new low-friction oil called Kick-Ass Fluid (KAF) in the unit, speculation arose that it might be the culprit.
The refreshed Model 3 was initially introduced in the US in January, following the opening of order books in Europe and China a few months prior. The most anticipated variant, the Model 3 Performance, was not announced until April, further heightening anticipation among potential buyers.
The sporty sedan did not disappoint, offering track-grade performance at an affordable price point. Tesla introduced several notable upgrades, making the refreshed Model 3 Performance a significant improvement over its predecessor. The M3P features a distinctive design for the first time, with a front spoiler and rear diffuser that enhance aerodynamics.
Tesla’s commitment to maximizing performance is evident in the new rear motor fitted to the 2024 Model 3 Performance. This motor delivers both increased power and improved efficiency, thanks in part to the aforementioned Kick-Ass Fluid. Tesla’s VP of Engineering, Lars Moravy, explained in a video released at the start of deliveries in May that the new oil’s low-friction properties contribute to the drive unit’s enhanced efficiency.
While Moravy did not provide specific details about the oil’s composition, he emphasized its crucial role in extracting the maximum performance from the drive unit. However, the recent reports of oil leaks from the rear drive unit have cast a shadow over the initial excitement surrounding the refreshed Model 3 Performance.
While it remains unclear whether the new oil is indeed the cause of the issue, it is a significant concern for Tesla owners and could potentially damage the reputation of the company’s latest electric vehicle. Tesla’s highly anticipated Model 3 Performance has faced a concerning issue since its launch, with multiple owners reporting fluid leaks from the rear drive unit.
These leaks, ranging from minor to significant, have appeared in various stages of ownership, sparking concerns about the vehicle’s reliability and performance. The cause of these leaks remains unclear, with potential culprits including faulty gaskets, overfilled drive units, and even the new “Kick-Ass Fluid” introduced alongside the refreshed model.
The latter has raised particular suspicion, as improper fluid formulation can sometimes damage silicon gaskets and lead to leaks. Tesla has yet to acknowledge the issue publicly, leaving owners to speculate and seek information from one another. Concerned owners have shared photos and videos detailing where to check for signs of leaks, helping others identify potential issues.
By inspecting the area around the half shafts, owners can determine if there are any indications of fluid seepage, which may suggest damaged shaft seals. Running a drive unit on low oil can have serious consequences, emphasizing the urgency of addressing this problem. While the issue appears to be primarily affecting Fremont-built 2024 Model 3 Performance cars with the new 4D2A rear drive unit, it’s unclear if it extends to other regions or models.
This recent development adds to a growing list of concerns surrounding Tesla’s vehicles, as earlier this week, Cybertruck owners reported drive unit failures that resulted in loss of rear motor functionality. The fluid leak issue is not the only challenge facing the Model 3 Performance.
Some owners have also reported instances of excessive noise and vibration from the rear drive unit, particularly when accelerating or decelerating. These issues have raised concerns about the long-term durability and reliability of the vehicle’s drivetrain. Tesla’s reputation as a pioneer in electric vehicles has been built on its innovative technology and commitment to sustainability.
However, the recent spate of quality control issues, including fluid leaks and drive unit failures, has raised questions about the company’s ability to deliver on its promises. As Tesla continues to expand its product lineup and ramp up production, the company must prioritize quality control and address the concerns of its customers. Failing to do so could damage the brand’s reputation and hinder its future growth.
