One of Audi’s biggest feats is its Multitronic gearbox, designed and manufactured by Audi AG and the Schaeffler Group in 1999. Closely resembling the CVT transmission, the Multitronic offers better acceleration, improved gas mileage, and a more comfortable driving experience.
While it is undoubtedly an engineering marvel, Audi’s Multitronic gearbox has its own unique problems. As with any sophisticated technology, the complexity of the Multitronic system can lead to certain issues that owners might encounter.
Whether you’re a first-time Audi owner or an Audi enthusiast, understanding these common problems can be crucial for maintaining your Audi’s performance and longevity. In this article, we’ll explore the 5 most common issues with the Multitronic gearbox, providing insights and tips on how to address them effectively.
Transmission Control Module (TCM) Issues
One of the most prevalent issues with the Audi Multitronic gearbox is its Transmission Control Module (TCM) issues. The TCM is responsible for regulating different operating aspects of the transmission, relying on various sensors to perform well and efficiently.
Once the TCM fails, the Multitronic gearbox will face various problems, mostly concerning the electronics. To know if the TCM has encountered any issues, the PRND indicators will start flashing. While many choose to get the TCM reprogrammed, the best option is to get it replaced entirely to maintain the Multitronic gearbox’s optimal performance and reliability.
Contaminated Lubrication
Compared to an ordinary automatic transmission, the Audi Multitronic gearbox works twice as hard, if not more, to operate. Because of this, it needs an efficient amount of lubricant to operate smoothly, which may also require a more regular maintenance schedule.
Without a regular maintenance schedule, the Audi Multitronic gearbox is more likely to experience contaminated lubrication as transmission oil degrades over time. This can lead to increased friction and wear on internal components, ultimately causing overheating, premature failure of parts, and a significant decline in overall transmission performance.
Jerking Gearbox
Many Audi owners with a Multitronic gearbox encounter a jerking gearbox. This happens due to the lack of lubrication, as unlike other transmissions, the Multitronic gearbox requires more lubrication as it works harder to operate.
In addition, a jerking Multitronic gearbox is also caused by contaminated transmission oil, which leads to internal damage to its moving parts. When this happens despite a regular transmission oil change schedule, reach out to a car technician immediately to assess the gearbox.
Underpowered Take-Off
The Audi Multitronic gearbox is also commonly reported to have underpowered take-off, with sluggish and laggy acceleration during take-off from a standstill. This issue is mainly due to the fact that the Multitronic gearbox is not built to manage power efficiently at low speeds, leading to a slow and underpowered start.
While this might seem like a small issue, it can be concerning in situations that require quick acceleration from a standstill, such as on highways or at busy intersections. To mitigate this issue, regular maintenance and software updates are required to ensure optimal performance.
Early Burnout of Transmission Oil
The most common issue with the Audi Multitronic gearbox concerns its lubrication system. In addition to the risk of contaminated lubrication, its transmission oil is also known to experience early burnout. The reason for this is that the gearbox experiences constant high pressure and heat during operation, thus leading to early burnout.
When it experiences an early burnout, the gearbox is faced with inadequate lubrication, which not only causes contamination from degradation but also increases friction between the gearbox’s moving parts. This usually manifests itself through unusual noises, delayed gear switching, and a decline in the vehicle’s overall performance.
Low-Speed Surge
Audi owners with Multitronic gearboxes often report on their low-speed surge, causing noticeable surging or jerking motion when driving at low speeds. Often experienced during slow acceleration or deceleration, this issue can be linked to the TCM, where the variation of gear ratios might not be properly regulated.
This issue can be addressed by updating the TCM’s software or recalibrating the gearbox’s control unit. Additionally, regular maintenance checks and prompt attention to any abnormal driving behaviours can help mitigate potential complications and ensure smoother operation over the gearbox’s lifespan.
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