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Why does my 2012 Suzuki Swift struggle going up hills?

Asked by Joel

I have a 2012 Suzuki Swift CVT (K12B) and I am having an issue when going up hills and when accelerating to overtake. It feels like my transmission is slipping. The car begins to jerk or sometimes the rpm meter begins to fluctuate. Can you help with what is causing this?

Answered by CarsGuide

1 Oct 2021 David Morley

This model Swift was recalled to check and tighten, if necessary, the bolts that connect the torque converter to the car’s engine. However, if these were to fail or fall out (as happened in some cases) it would be a one-off event and the car then wouldn’t work at all.

Your problem sounds more like a worn transmission which is not accepting the load you put on it when you try to accelerate. This could be worn bands or some other component inside the transmission. CVTs are pretty complex things and rely on physical parts like bands and pulleys as well as hydraulic bits and pieces to take drive to the wheels. It would also be worth checking the torque converter, as a damaged or worn unit can also produce the symptoms you’re seeing. I’d start with checking that the recall was carried out and work backwards from there.

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