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The update kit came with several O-rings and a newly designed valve cover for one of the main servos. However, all of these solutions ended up being only a temporary fix in the vast majority of cases.Īfter roughly four years of trying different Band-Aid solutions, Volvo came up with a mechanical fix – the B4 Transmission Servo Update as it became known.
Is aisin tf 80sc problems full#
Other shops went for a full reflash of the transmission unit, which has proven to be a viable option. The first instances of gearbox problems were intermittent and often solved with a fluid flush. There’s a solid reason why it took Volvo 4 years to come up with a be-all, end-all solution. The way they’ve tackled the issue has become known as the B4 Servo Update. It took Volvo about four years to accept that there is a problem in the first place and come up with a viable solution. Long story short, when AW55-50/51SN starts acting up, you’ll know.
There’s are also reports of fluid loss, among other symptoms.
Others have reported a loss of gears, especially the 4th gear or the reverse gear.
Is aisin tf 80sc problems drivers#
Drivers have reported rough shifts, sometimes even erratic, depending on how severe the issue gets. At least the symptoms are pretty straightforward if that’s any comfort. That being said, for some reason, the S60 become the hotspot for issues with this gearbox. The Volvo S60 Transmission Problem – Slush Box Strikes Again!Īlthough S60 was one of the models that were hit the worst, Volvo has had issues with the AW55-50/51SN gearbox across a variety of their models. When their warranty department started spending significant amounts of money to cover all these repairs, it became evident to Volvo that the gearbox had a built-in flaw. Vehicles two to three years old were being returned to dealerships worldwide, citing gearbox problems. Namely, Volvo started receiving reports of failed gearboxes and transmission issues on cars that didn’t even have 50,000 miles on them. Some customization is simply necessaryīranded Aisin AW55-50/51SN, the new Volvo gearbox offered everything this manufacturer had hoped for, at least for a while. This was nothing unusual as pairing a gearbox to different engines means different power delivery profiles.
Volvo then took the gearbox and applied certain changes to the design. The project was called AF33, and Aisin delivered, as always. That being said, Aisin will allow individual brands to come in, make certain changes to the design, and slap their own designation to the end product.Īround the beginning of the 2000s, Volvo and many other manufacturers came together to design a new generation of automatic gearboxes that was meant to support future platforms. Rarely do they make a box that is specific to a single make and model. The majority of gearboxes Aisin designs are used across a wide range of vehicle makes and models. However, accidents happen even to the best in the business.
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This brand alone has contributed a lot towards minimizing the misconception that automatic gearboxes are inherently less reliable than their manual counterparts. This company has been around for 71 years and has become a Fortune Global 500 brand largely thanks to its gearboxes.Ĭool stats aside, Aisin’s gearboxes simply work. If you need something complicated, it pays to go to someone who has dedicated all of their effort to that specific problem.Īs far as automatic transmission systems go, Aisin Seiki is one of the most trusted brands in the business. Whether we’re talking doctors or transmission manufacturers. The Aisin EpisodeĮveryone appreciates a good specialist. However, they aren’t entirely removed from the R&D process, and we sometimes end up with issues such as the Volvo S60 transmission problem. Most car brands have given up on this and left the task to specialized companies such as Aisin. Manufacturing a reliable automatic gearbox is complicated by itself, but designing one can be a total nightmare. Despite all the black magic trickery that goes on inside an average internal combustion engine, automatic transmission still holds the title of the most complicated piece of automotive tech.
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